Merge remote-tracking branch 'asoc/topic/component' into asoc-next

include/sound/soc-dai.h

@@ -257,7 +257,6 @@ struct snd_soc_dai {
 
 	struct snd_soc_dapm_widget *playback_widget;
 	struct snd_soc_dapm_widget *capture_widget;
-	struct snd_soc_dapm_context dapm;
 
 	/* DAI DMA data */
 	void *playback_dma_data;
@@ -273,6 +272,10 @@ struct snd_soc_dai {
 	struct snd_soc_codec *codec;
 	struct snd_soc_component *component;
 
+	/* CODEC TDM slot masks and params (for fixup) */
+	unsigned int tx_mask;
+	unsigned int rx_mask;
+
 	struct snd_soc_card *card;
 
 	struct list_head list;

include/sound/soc-dapm.h

@@ -431,7 +431,7 @@ int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm,
 					   const char *pin);
 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
 				const char *pin);
-void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec);
+void snd_soc_dapm_auto_nc_pins(struct snd_soc_card *card);
 
 /* Mostly internal - should not normally be used */
 void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm);
@@ -441,6 +441,8 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
 	struct snd_soc_dapm_widget_list **list);
 
 struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol);
+struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
+	struct snd_kcontrol *kcontrol);
 
 /* dapm widget types */
 enum snd_soc_dapm_type {
@@ -524,7 +526,6 @@ struct snd_soc_dapm_widget {
 	const char *name;		/* widget name */
 	const char *sname;	/* stream name */
 	struct snd_soc_codec *codec;
-	struct snd_soc_platform *platform;
 	struct list_head list;
 	struct snd_soc_dapm_context *dapm;
 
@@ -593,7 +594,6 @@ struct snd_soc_dapm_context {
 	struct device *dev; /* from parent - for debug */
 	struct snd_soc_component *component; /* parent component */
 	struct snd_soc_codec *codec; /* parent codec */
-	struct snd_soc_platform *platform; /* parent platform */
 	struct snd_soc_card *card; /* parent card */
 
 	/* used during DAPM updates */
@@ -601,6 +601,8 @@ struct snd_soc_dapm_context {
 	struct list_head list;
 
 	int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
+	int (*set_bias_level)(struct snd_soc_dapm_context *dapm,
+			      enum snd_soc_bias_level level);
 
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs_dapm;

include/sound/soc.h

@@ -436,6 +436,10 @@ int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
 		int cmd, struct snd_soc_platform *platform);
 
+int soc_dai_hw_params(struct snd_pcm_substream *substream,
+		      struct snd_pcm_hw_params *params,
+		      struct snd_soc_dai *dai);
+
 /* Jack reporting */
 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
 		     struct snd_soc_jack *jack);
@@ -503,10 +507,12 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 				  const char *prefix);
 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 					       const char *name);
+int snd_soc_add_component_controls(struct snd_soc_component *component,
+	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
-	const struct snd_kcontrol_new *controls, int num_controls);
+	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
-	const struct snd_kcontrol_new *controls, int num_controls);
+	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 	const struct snd_kcontrol_new *controls, int num_controls);
 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
@@ -677,12 +683,17 @@ struct snd_soc_component_driver {
 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
 				 struct of_phandle_args *args,
 				 const char **dai_name);
+	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
+		int subseq);
+	int (*stream_event)(struct snd_soc_component *, int event);
 };
 
 struct snd_soc_component {
 	const char *name;
 	int id;
+	const char *name_prefix;
 	struct device *dev;
+	struct snd_soc_card *card;
 
 	unsigned int active;
 
@@ -705,18 +716,18 @@ struct snd_soc_component {
 	int val_bytes;
 
 	struct mutex io_mutex;
+
+	/* Don't use these, use snd_soc_component_get_dapm() */
+	struct snd_soc_dapm_context dapm;
+	struct snd_soc_dapm_context *dapm_ptr;
 };
 
 /* SoC Audio Codec device */
 struct snd_soc_codec {
-	const char *name;
-	const char *name_prefix;
-	int id;
 	struct device *dev;
 	const struct snd_soc_codec_driver *driver;
 
 	struct mutex mutex;
-	struct snd_soc_card *card;
 	struct list_head list;
 	struct list_head card_list;
 
@@ -790,9 +801,6 @@ struct snd_soc_codec_driver {
 	void (*seq_notifier)(struct snd_soc_dapm_context *,
 			     enum snd_soc_dapm_type, int);
 
-	/* codec stream completion event */
-	int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
-
 	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 
 	/* probe ordering - for components with runtime dependencies */
@@ -834,9 +842,6 @@ struct snd_soc_platform_driver {
 	/* platform stream compress ops */
 	const struct snd_compr_ops *compr_ops;
 
-	/* platform stream completion event */
-	int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
-
 	/* probe ordering - for components with runtime dependencies */
 	int probe_order;
 	int remove_order;
@@ -847,23 +852,23 @@ struct snd_soc_platform_driver {
 	int (*bespoke_trigger)(struct snd_pcm_substream *, int);
 };
 
-struct snd_soc_platform {
+struct snd_soc_dai_link_component {
 	const char *name;
-	int id;
+	const struct device_node *of_node;
+	const char *dai_name;
+};
+
+struct snd_soc_platform {
 	struct device *dev;
 	const struct snd_soc_platform_driver *driver;
 
 	unsigned int suspended:1; /* platform is suspended */
 	unsigned int probed:1;
 
-	struct snd_soc_card *card;
 	struct list_head list;
-	struct list_head card_list;
 
 	struct snd_soc_component component;
 
-	struct snd_soc_dapm_context dapm;
-
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs_platform_root;
 #endif
@@ -896,6 +901,10 @@ struct snd_soc_dai_link {
 	const struct device_node *codec_of_node;
 	/* You MUST specify the DAI name within the codec */
 	const char *codec_dai_name;
+
+	struct snd_soc_dai_link_component *codecs;
+	unsigned int num_codecs;
+
 	/*
 	 * You MAY specify the link's platform/PCM/DMA driver, either by
 	 * device name, or by DT/OF node, but not both. Some forms of link
@@ -1047,7 +1056,6 @@ struct snd_soc_card {
 
 	/* lists of probed devices belonging to this card */
 	struct list_head codec_dev_list;
-	struct list_head platform_dev_list;
 
 	struct list_head widgets;
 	struct list_head paths;
@@ -1094,6 +1102,9 @@ struct snd_soc_pcm_runtime {
 	struct snd_soc_dai *codec_dai;
 	struct snd_soc_dai *cpu_dai;
 
+	struct snd_soc_dai **codec_dais;
+	unsigned int num_codecs;
+
 	struct delayed_work delayed_work;
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs_dpcm_root;
@@ -1164,6 +1175,21 @@ static inline struct snd_soc_platform *snd_soc_component_to_platform(
 	return container_of(component, struct snd_soc_platform, component);
 }
 
+/**
+ * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
+ *  embedded in
+ * @dapm: The DAPM context to cast to the component
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a component (e.g. in a component driver). Otherwise the behavior is
+ * undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_to_component(
+	struct snd_soc_dapm_context *dapm)
+{
+	return container_of(dapm, struct snd_soc_component, dapm);
+}
+
 /**
  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
  * @dapm: The DAPM context to cast to the CODEC
@@ -1188,7 +1214,18 @@ static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
 	struct snd_soc_dapm_context *dapm)
 {
-	return container_of(dapm, struct snd_soc_platform, dapm);
+	return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
+}
+
+/**
+ * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
+ *  component
+ * @component: The component for which to get the DAPM context
+ */
+static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
+	struct snd_soc_component *component)
+{
+	return component->dapm_ptr;
 }
 
 /* codec IO */
@@ -1261,7 +1298,6 @@ static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
 {
 	INIT_LIST_HEAD(&card->codec_dev_list);
-	INIT_LIST_HEAD(&card->platform_dev_list);
 	INIT_LIST_HEAD(&card->widgets);
 	INIT_LIST_HEAD(&card->paths);
 	INIT_LIST_HEAD(&card->dapm_list);

include/trace/events/asoc.h

@@ -296,17 +296,17 @@ TRACE_EVENT(snd_soc_cache_sync,
 	TP_ARGS(codec, type, status),
 
 	TP_STRUCT__entry(
-		__string(	name,		codec->name	)
+		__string(	name,		codec->component.name)
 		__string(	status,		status		)
 		__string(	type,		type		)
 		__field(	int,		id		)
 	),
 
 	TP_fast_assign(
-		__assign_str(name, codec->name);
+		__assign_str(name, codec->component.name);
 		__assign_str(status, status);
 		__assign_str(type, type);
-		__entry->id = codec->id;
+		__entry->id = codec->component.id;
 	),
 
 	TP_printk("codec=%s.%d type=%s status=%s", __get_str(name),

sound/soc/codecs/ac97.c

@@ -89,8 +89,8 @@ static int ac97_soc_probe(struct snd_soc_codec *codec)
 	int ret;
 
 	/* add codec as bus device for standard ac97 */
-	ret = snd_ac97_bus(codec->card->snd_card, 0, soc_ac97_ops, NULL,
-			   &ac97_bus);
+	ret = snd_ac97_bus(codec->component.card->snd_card, 0, soc_ac97_ops,
+			   NULL, &ac97_bus);
 	if (ret < 0)
 		return ret;
 

sound/soc/codecs/cx20442.c

@@ -253,7 +253,7 @@ static void v253_close(struct tty_struct *tty)
 	/* Prevent the codec driver from further accessing the modem */
 	codec->hw_write = NULL;
 	cx20442->control_data = NULL;
-	codec->card->pop_time = 0;
+	codec->component.card->pop_time = 0;
 }
 
 /* Line discipline .hangup() */
@@ -281,7 +281,7 @@ static void v253_receive(struct tty_struct *tty,
 		/* Set up codec driver access to modem controls */
 		cx20442->control_data = tty;
 		codec->hw_write = (hw_write_t)tty->ops->write;
-		codec->card->pop_time = 1;
+		codec->component.card->pop_time = 1;
 	}
 }
 
@@ -372,7 +372,7 @@ static int cx20442_codec_probe(struct snd_soc_codec *codec)
 
 	snd_soc_codec_set_drvdata(codec, cx20442);
 	codec->hw_write = NULL;
-	codec->card->pop_time = 0;
+	codec->component.card->pop_time = 0;
 
 	return 0;
 }

sound/soc/codecs/tlv320dac33.c

@@ -1404,7 +1404,7 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
 	if (dac33->irq >= 0) {
 		ret = request_irq(dac33->irq, dac33_interrupt_handler,
 				  IRQF_TRIGGER_RISING,
-				  codec->name, codec);
+				  codec->component.name, codec);
 		if (ret < 0) {
 			dev_err(codec->dev, "Could not request IRQ%d (%d)\n",
 						dac33->irq, ret);

sound/soc/codecs/uda134x.c

@@ -479,7 +479,7 @@ static struct snd_soc_dai_driver uda134x_dai = {
 static int uda134x_soc_probe(struct snd_soc_codec *codec)
 {
 	struct uda134x_priv *uda134x;
-	struct uda134x_platform_data *pd = codec->card->dev->platform_data;
+	struct uda134x_platform_data *pd = codec->component.card->dev->platform_data;
 	const struct snd_soc_dapm_widget *widgets;
 	unsigned num_widgets;
 

sound/soc/codecs/wm8960.c

@@ -472,7 +472,7 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
 	 * list each time to find the desired power state do so now
 	 * and save the result.
 	 */
-	list_for_each_entry(w, &codec->card->widgets, list) {
+	list_for_each_entry(w, &codec->component.card->widgets, list) {
 		if (w->dapm != &codec->dapm)
 			continue;
 		if (strcmp(w->name, "LOUT1 PGA") == 0)

sound/soc/codecs/wm_adsp.c

@@ -1382,7 +1382,7 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 	int ret;
 	int val;
 
-	dsp->card = codec->card;
+	dsp->card = codec->component.card;
 
 	switch (event) {
 	case SND_SOC_DAPM_POST_PMU:
@@ -1617,7 +1617,7 @@ int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
 	struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
 	struct wm_adsp *dsp = &dsps[w->shift];
 
-	dsp->card = codec->card;
+	dsp->card = codec->component.card;
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:

sound/soc/omap/ams-delta.c

@@ -301,7 +301,7 @@ static int cx81801_open(struct tty_struct *tty)
 static void cx81801_close(struct tty_struct *tty)
 {
 	struct snd_soc_codec *codec = tty->disc_data;
-	struct snd_soc_dapm_context *dapm = &codec->card->dapm;
+	struct snd_soc_dapm_context *dapm = &codec->component.card->dapm;
 
 	del_timer_sync(&cx81801_timer);
 

sound/soc/soc-cache.c

@@ -78,7 +78,7 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
 	mutex_init(&codec->cache_rw_mutex);
 
 	dev_dbg(codec->dev, "ASoC: Initializing cache for %s codec\n",
-				codec->name);
+				codec->component.name);
 
 	if (codec_drv->reg_cache_default)
 		codec->reg_cache = kmemdup(codec_drv->reg_cache_default,
@@ -98,8 +98,7 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
 int snd_soc_cache_exit(struct snd_soc_codec *codec)
 {
 	dev_dbg(codec->dev, "ASoC: Destroying cache for %s codec\n",
-			codec->name);
-
+			codec->component.name);
 	kfree(codec->reg_cache);
 	codec->reg_cache = NULL;
 	return 0;
@@ -192,7 +191,7 @@ int snd_soc_cache_sync(struct snd_soc_codec *codec)
 		return 0;
 
 	dev_dbg(codec->dev, "ASoC: Syncing cache for %s codec\n",
-		codec->name);
+		codec->component.name);
 	trace_snd_soc_cache_sync(codec, name, "start");
 	ret = snd_soc_flat_cache_sync(codec);
 	if (!ret)

sound/soc/soc-compress.c

@@ -37,7 +37,8 @@ static int soc_compr_open(struct snd_compr_stream *cstream)
 	if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
 		ret = platform->driver->compr_ops->open(cstream);
 		if (ret < 0) {
-			pr_err("compress asoc: can't open platform %s\n", platform->name);
+			pr_err("compress asoc: can't open platform %s\n",
+				platform->component.name);
 			goto out;
 		}
 	}
@@ -84,7 +85,8 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 	if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
 		ret = platform->driver->compr_ops->open(cstream);
 		if (ret < 0) {
-			pr_err("compress asoc: can't open platform %s\n", platform->name);
+			pr_err("compress asoc: can't open platform %s\n",
+				platform->component.name);
 			goto out;
 		}
 	}
@@ -627,6 +629,11 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 	char new_name[64];
 	int ret = 0, direction = 0;
 
+	if (rtd->num_codecs > 1) {
+		dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n");
+		return -EINVAL;
+	}
+
 	/* check client and interface hw capabilities */
 	snprintf(new_name, sizeof(new_name), "%s %s-%d",
 			rtd->dai_link->stream_name, codec_dai->name, num);
@@ -680,7 +687,7 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 	ret = snd_compress_new(rtd->card->snd_card, num, direction, compr);
 	if (ret < 0) {
 		pr_err("compress asoc: can't create compress for codec %s\n",
-			codec->name);
+			codec->component.name);
 		goto compr_err;
 	}
 

sound/soc/soc-core.c

@@ -292,10 +292,11 @@ static struct dentry *soc_debugfs_create_dir(struct dentry *parent,
 
 static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 {
-	struct dentry *debugfs_card_root = codec->card->debugfs_card_root;
+	struct dentry *debugfs_card_root = codec->component.card->debugfs_card_root;
 
 	codec->debugfs_codec_root = soc_debugfs_create_dir(debugfs_card_root,
-						"codec:%s", codec->name);
+						"codec:%s",
+						codec->component.name);
 	if (!codec->debugfs_codec_root) {
 		dev_warn(codec->dev,
 			"ASoC: Failed to create codec debugfs directory\n");
@@ -324,17 +325,18 @@ static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
 
 static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
 {
-	struct dentry *debugfs_card_root = platform->card->debugfs_card_root;
+	struct dentry *debugfs_card_root = platform->component.card->debugfs_card_root;
 
 	platform->debugfs_platform_root = soc_debugfs_create_dir(debugfs_card_root,
-						"platform:%s", platform->name);
+						"platform:%s",
+						platform->component.name);
 	if (!platform->debugfs_platform_root) {
 		dev_warn(platform->dev,
 			"ASoC: Failed to create platform debugfs directory\n");
 		return;
 	}
 
-	snd_soc_dapm_debugfs_init(&platform->dapm,
+	snd_soc_dapm_debugfs_init(&platform->component.dapm,
 		platform->debugfs_platform_root);
 }
 
@@ -355,7 +357,7 @@ static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
 
 	list_for_each_entry(codec, &codec_list, list) {
 		len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
-			       codec->name);
+			       codec->component.name);
 		if (len >= 0)
 			ret += len;
 		if (ret > PAGE_SIZE) {
@@ -426,7 +428,7 @@ static ssize_t platform_list_read_file(struct file *file,
 
 	list_for_each_entry(platform, &platform_list, list) {
 		len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
-			       platform->name);
+			       platform->component.name);
 		if (len >= 0)
 			ret += len;
 		if (ret > PAGE_SIZE) {
@@ -544,11 +546,12 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec)
 	int err;
 
 	codec->ac97->dev.bus = &ac97_bus_type;
-	codec->ac97->dev.parent = codec->card->dev;
+	codec->ac97->dev.parent = codec->component.card->dev;
 	codec->ac97->dev.release = soc_ac97_device_release;
 
 	dev_set_name(&codec->ac97->dev, "%d-%d:%s",
-		     codec->card->snd_card->number, 0, codec->name);
+		     codec->component.card->snd_card->number, 0,
+		     codec->component.name);
 	err = device_register(&codec->ac97->dev);
 	if (err < 0) {
 		dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
@@ -574,7 +577,7 @@ int snd_soc_suspend(struct device *dev)
 {
 	struct snd_soc_card *card = dev_get_drvdata(dev);
 	struct snd_soc_codec *codec;
-	int i;
+	int i, j;
 
 	/* If the initialization of this soc device failed, there is no codec
 	 * associated with it. Just bail out in this case.
@@ -594,14 +597,17 @@ int snd_soc_suspend(struct device *dev)
 
 	/* mute any active DACs */
 	for (i = 0; i < card->num_rtd; i++) {
-		struct snd_soc_dai *dai = card->rtd[i].codec_dai;
-		struct snd_soc_dai_driver *drv = dai->driver;
 
 		if (card->rtd[i].dai_link->ignore_suspend)
 			continue;
 
-		if (drv->ops->digital_mute && dai->playback_active)
-			drv->ops->digital_mute(dai, 1);
+		for (j = 0; j < card->rtd[i].num_codecs; j++) {
+			struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+			struct snd_soc_dai_driver *drv = dai->driver;
+
+			if (drv->ops->digital_mute && dai->playback_active)
+				drv->ops->digital_mute(dai, 1);
+		}
 	}
 
 	/* suspend all pcms */
@@ -632,8 +638,12 @@ int snd_soc_suspend(struct device *dev)
 
 	/* close any waiting streams and save state */
 	for (i = 0; i < card->num_rtd; i++) {
+		struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais;
 		flush_delayed_work(&card->rtd[i].delayed_work);
-		card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
+		for (j = 0; j < card->rtd[i].num_codecs; j++) {
+			codec_dais[j]->codec->dapm.suspend_bias_level =
+					codec_dais[j]->codec->dapm.bias_level;
+		}
 	}
 
 	for (i = 0; i < card->num_rtd; i++) {
@@ -717,7 +727,7 @@ static void soc_resume_deferred(struct work_struct *work)
 	struct snd_soc_card *card =
 			container_of(work, struct snd_soc_card, deferred_resume_work);
 	struct snd_soc_codec *codec;
-	int i;
+	int i, j;
 
 	/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
 	 * so userspace apps are blocked from touching us
@@ -778,14 +788,17 @@ static void soc_resume_deferred(struct work_struct *work)
 
 	/* unmute any active DACs */
 	for (i = 0; i < card->num_rtd; i++) {
-		struct snd_soc_dai *dai = card->rtd[i].codec_dai;
-		struct snd_soc_dai_driver *drv = dai->driver;
 
 		if (card->rtd[i].dai_link->ignore_suspend)
 			continue;
 
-		if (drv->ops->digital_mute && dai->playback_active)
-			drv->ops->digital_mute(dai, 0);
+		for (j = 0; j < card->rtd[i].num_codecs; j++) {
+			struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+			struct snd_soc_dai_driver *drv = dai->driver;
+
+			if (drv->ops->digital_mute && dai->playback_active)
+				drv->ops->digital_mute(dai, 0);
+		}
 	}
 
 	for (i = 0; i < card->num_rtd; i++) {
@@ -830,12 +843,19 @@ int snd_soc_resume(struct device *dev)
 
 	/* activate pins from sleep state */
 	for (i = 0; i < card->num_rtd; i++) {
-		struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
-		struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+		struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+		struct snd_soc_dai **codec_dais = rtd->codec_dais;
+		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+		int j;
+
 		if (cpu_dai->active)
 			pinctrl_pm_select_default_state(cpu_dai->dev);
-		if (codec_dai->active)
-			pinctrl_pm_select_default_state(codec_dai->dev);
+
+		for (j = 0; j < rtd->num_codecs; j++) {
+			struct snd_soc_dai *codec_dai = codec_dais[j];
+			if (codec_dai->active)
+				pinctrl_pm_select_default_state(codec_dai->dev);
+		}
 	}
 
 	/* AC97 devices might have other drivers hanging off them so
@@ -867,8 +887,9 @@ EXPORT_SYMBOL_GPL(snd_soc_resume);
 static const struct snd_soc_dai_ops null_dai_ops = {
 };
 
-static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node,
-					    const char *codec_name)
+static struct snd_soc_codec *soc_find_codec(
+					const struct device_node *codec_of_node,
+					const char *codec_name)
 {
 	struct snd_soc_codec *codec;
 
@@ -877,7 +898,7 @@ static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_n
 			if (codec->dev->of_node != codec_of_node)
 				continue;
 		} else {
-			if (strcmp(codec->name, codec_name))
+			if (strcmp(codec->component.name, codec_name))
 				continue;
 		}
 
@@ -906,9 +927,12 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 	struct snd_soc_dai_link *dai_link = &card->dai_link[num];
 	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
 	struct snd_soc_component *component;
+	struct snd_soc_dai_link_component *codecs = dai_link->codecs;
+	struct snd_soc_dai **codec_dais = rtd->codec_dais;
 	struct snd_soc_platform *platform;
 	struct snd_soc_dai *cpu_dai;
 	const char *platform_name;
+	int i;
 
 	dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
 
@@ -935,24 +959,30 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 		return -EPROBE_DEFER;
 	}
 
-	/* Find CODEC from registered list */
-	rtd->codec = soc_find_codec(dai_link->codec_of_node,
-				    dai_link->codec_name);
-	if (!rtd->codec) {
-		dev_err(card->dev, "ASoC: CODEC %s not registered\n",
-			dai_link->codec_name);
-		return -EPROBE_DEFER;
-	}
+	rtd->num_codecs = dai_link->num_codecs;
 
-	/* Find CODEC DAI from registered list */
-	rtd->codec_dai = soc_find_codec_dai(rtd->codec,
-					    dai_link->codec_dai_name);
-	if (!rtd->codec_dai) {
-		dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
-			dai_link->codec_dai_name);
-		return -EPROBE_DEFER;
+	/* Find CODEC from registered CODECs */
+	for (i = 0; i < rtd->num_codecs; i++) {
+		struct snd_soc_codec *codec;
+		codec = soc_find_codec(codecs[i].of_node, codecs[i].name);
+		if (!codec) {
+			dev_err(card->dev, "ASoC: CODEC %s not registered\n",
+				codecs[i].name);
+			return -EPROBE_DEFER;
+		}
+
+		codec_dais[i] = soc_find_codec_dai(codec, codecs[i].dai_name);
+		if (!codec_dais[i]) {
+			dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
+				codecs[i].dai_name);
+			return -EPROBE_DEFER;
+		}
 	}
 
+	/* Single codec links expect codec and codec_dai in runtime data */
+	rtd->codec_dai = codec_dais[0];
+	rtd->codec = rtd->codec_dai->codec;
+
 	/* if there's no platform we match on the empty platform */
 	platform_name = dai_link->platform_name;
 	if (!platform_name && !dai_link->platform_of_node)
@@ -965,7 +995,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 			    dai_link->platform_of_node)
 				continue;
 		} else {
-			if (strcmp(platform->name, platform_name))
+			if (strcmp(platform->component.name, platform_name))
 				continue;
 		}
 
@@ -994,11 +1024,10 @@ static int soc_remove_platform(struct snd_soc_platform *platform)
 	}
 
 	/* Make sure all DAPM widgets are freed */
-	snd_soc_dapm_free(&platform->dapm);
+	snd_soc_dapm_free(&platform->component.dapm);
 
 	soc_cleanup_platform_debugfs(platform);
 	platform->probed = 0;
-	list_del(&platform->card_list);
 	module_put(platform->dev->driver->owner);
 
 	return 0;
@@ -1043,8 +1072,8 @@ static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
 static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 {
 	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
-	struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
-	int err;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	int i, err;
 
 	/* unregister the rtd device */
 	if (rtd->dev_registered) {
@@ -1055,7 +1084,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 	}
 
 	/* remove the CODEC DAI */
-	soc_remove_codec_dai(codec_dai, order);
+	for (i = 0; i < rtd->num_codecs; i++)
+		soc_remove_codec_dai(rtd->codec_dais[i], order);
 
 	/* remove the cpu_dai */
 	if (cpu_dai && cpu_dai->probed &&
@@ -1068,11 +1098,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 					cpu_dai->name, err);
 		}
 		cpu_dai->probed = 0;
-
-		if (!cpu_dai->codec) {
-			snd_soc_dapm_free(&cpu_dai->dapm);
+		if (!cpu_dai->codec)
 			module_put(cpu_dai->dev->driver->owner);
-		}
 	}
 }
 
@@ -1081,9 +1108,9 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
 {
 	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_codec *codec;
+	int i;
 
 	/* remove the platform */
 	if (platform && platform->probed &&
@@ -1092,8 +1119,8 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
 	}
 
 	/* remove the CODEC-side CODEC */
-	if (codec_dai) {
-		codec = codec_dai->codec;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec = rtd->codec_dais[i]->codec;
 		if (codec && codec->probed &&
 		    codec->driver->remove_order == order)
 			soc_remove_codec(codec);
@@ -1128,7 +1155,7 @@ static void soc_remove_dai_links(struct snd_soc_card *card)
 }
 
 static void soc_set_name_prefix(struct snd_soc_card *card,
-				struct snd_soc_codec *codec)
+				struct snd_soc_component *component)
 {
 	int i;
 
@@ -1137,11 +1164,11 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
 
 	for (i = 0; i < card->num_configs; i++) {
 		struct snd_soc_codec_conf *map = &card->codec_conf[i];
-		if (map->of_node && codec->dev->of_node != map->of_node)
+		if (map->of_node && component->dev->of_node != map->of_node)
 			continue;
-		if (map->dev_name && strcmp(codec->name, map->dev_name))
+		if (map->dev_name && strcmp(component->name, map->dev_name))
 			continue;
-		codec->name_prefix = map->name_prefix;
+		component->name_prefix = map->name_prefix;
 		break;
 	}
 }
@@ -1153,9 +1180,9 @@ static int soc_probe_codec(struct snd_soc_card *card,
 	const struct snd_soc_codec_driver *driver = codec->driver;
 	struct snd_soc_dai *dai;
 
-	codec->card = card;
+	codec->component.card = card;
 	codec->dapm.card = card;
-	soc_set_name_prefix(card, codec);
+	soc_set_name_prefix(card, &codec->component);
 
 	if (!try_module_get(codec->dev->driver->owner))
 		return -ENODEV;
@@ -1197,7 +1224,7 @@ static int soc_probe_codec(struct snd_soc_card *card,
 		WARN(codec->dapm.idle_bias_off &&
 			codec->dapm.bias_level != SND_SOC_BIAS_OFF,
 			"codec %s can not start from non-off bias with idle_bias_off==1\n",
-			codec->name);
+			codec->component.name);
 	}
 
 	if (driver->controls)
@@ -1229,8 +1256,8 @@ static int soc_probe_platform(struct snd_soc_card *card,
 	struct snd_soc_component *component;
 	struct snd_soc_dai *dai;
 
-	platform->card = card;
-	platform->dapm.card = card;
+	platform->component.card = card;
+	platform->component.dapm.card = card;
 
 	if (!try_module_get(platform->dev->driver->owner))
 		return -ENODEV;
@@ -1238,7 +1265,7 @@ static int soc_probe_platform(struct snd_soc_card *card,
 	soc_init_platform_debugfs(platform);
 
 	if (driver->dapm_widgets)
-		snd_soc_dapm_new_controls(&platform->dapm,
+		snd_soc_dapm_new_controls(&platform->component.dapm,
 			driver->dapm_widgets, driver->num_dapm_widgets);
 
 	/* Create DAPM widgets for each DAI stream */
@@ -1246,10 +1273,11 @@ static int soc_probe_platform(struct snd_soc_card *card,
 		if (component->dev != platform->dev)
 			continue;
 		list_for_each_entry(dai, &component->dai_list, list)
-			snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
+			snd_soc_dapm_new_dai_widgets(&platform->component.dapm,
+				dai);
 	}
 
-	platform->dapm.idle_bias_off = 1;
+	platform->component.dapm.idle_bias_off = 1;
 
 	if (driver->probe) {
 		ret = driver->probe(platform);
@@ -1264,13 +1292,12 @@ static int soc_probe_platform(struct snd_soc_card *card,
 		snd_soc_add_platform_controls(platform, driver->controls,
 				     driver->num_controls);
 	if (driver->dapm_routes)
-		snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes,
-					driver->num_dapm_routes);
+		snd_soc_dapm_add_routes(&platform->component.dapm,
+			driver->dapm_routes, driver->num_dapm_routes);
 
 	/* mark platform as probed and add to card platform list */
 	platform->probed = 1;
-	list_add(&platform->card_list, &card->platform_dev_list);
-	list_add(&platform->dapm.list, &card->dapm_list);
+	list_add(&platform->component.dapm.list, &card->dapm_list);
 
 	return 0;
 
@@ -1286,83 +1313,17 @@ static void rtd_release(struct device *dev)
 	kfree(dev);
 }
 
-static int soc_aux_dev_init(struct snd_soc_card *card,
-			    struct snd_soc_codec *codec,
-			    int num)
+static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
+	const char *name)
 {
-	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
-	struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
-	int ret;
-
-	rtd->card = card;
-
-	/* do machine specific initialization */
-	if (aux_dev->init) {
-		ret = aux_dev->init(&codec->dapm);
-		if (ret < 0)
-			return ret;
-	}
-
-	rtd->codec = codec;
-
-	return 0;
-}
-
-static int soc_dai_link_init(struct snd_soc_card *card,
-			     struct snd_soc_codec *codec,
-			     int num)
-{
-	struct snd_soc_dai_link *dai_link =  &card->dai_link[num];
-	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
-	int ret;
-
-	rtd->card = card;
-
-	/* do machine specific initialization */
-	if (dai_link->init) {
-		ret = dai_link->init(rtd);
-		if (ret < 0)
-			return ret;
-	}
-
-	rtd->codec = codec;
-
-	return 0;
-}
-
-static int soc_post_component_init(struct snd_soc_card *card,
-				   struct snd_soc_codec *codec,
-				   int num, int dailess)
-{
-	struct snd_soc_dai_link *dai_link = NULL;
-	struct snd_soc_aux_dev *aux_dev = NULL;
-	struct snd_soc_pcm_runtime *rtd;
-	const char *name;
 	int ret = 0;
 
-	if (!dailess) {
-		dai_link = &card->dai_link[num];
-		rtd = &card->rtd[num];
-		name = dai_link->name;
-		ret = soc_dai_link_init(card, codec, num);
-	} else {
-		aux_dev = &card->aux_dev[num];
-		rtd = &card->rtd_aux[num];
-		name = aux_dev->name;
-		ret = soc_aux_dev_init(card, codec, num);
-	}
-
-	if (ret < 0) {
-		dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
-		return ret;
-	}
-
 	/* register the rtd device */
 	rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL);
 	if (!rtd->dev)
 		return -ENOMEM;
 	device_initialize(rtd->dev);
-	rtd->dev->parent = card->dev;
+	rtd->dev->parent = rtd->card->dev;
 	rtd->dev->release = rtd_release;
 	rtd->dev->init_name = name;
 	dev_set_drvdata(rtd->dev, rtd);
@@ -1375,7 +1336,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
 	if (ret < 0) {
 		/* calling put_device() here to free the rtd->dev */
 		put_device(rtd->dev);
-		dev_err(card->dev,
+		dev_err(rtd->card->dev,
 			"ASoC: failed to register runtime device: %d\n", ret);
 		return ret;
 	}
@@ -1384,26 +1345,15 @@ static int soc_post_component_init(struct snd_soc_card *card,
 	/* add DAPM sysfs entries for this codec */
 	ret = snd_soc_dapm_sys_add(rtd->dev);
 	if (ret < 0)
-		dev_err(codec->dev,
+		dev_err(rtd->dev,
 			"ASoC: failed to add codec dapm sysfs entries: %d\n", ret);
 
 	/* add codec sysfs entries */
 	ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
 	if (ret < 0)
-		dev_err(codec->dev,
+		dev_err(rtd->dev,
 			"ASoC: failed to add codec sysfs files: %d\n", ret);
 
-#ifdef CONFIG_DEBUG_FS
-	/* add DPCM sysfs entries */
-	if (!dailess && !dai_link->dynamic)
-		goto out;
-
-	ret = soc_dpcm_debugfs_add(rtd);
-	if (ret < 0)
-		dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret);
-
-out:
-#endif
 	return 0;
 }
 
@@ -1412,9 +1362,8 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
 {
 	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_platform *platform = rtd->platform;
-	int ret;
+	int i, ret;
 
 	/* probe the CPU-side component, if it is a CODEC */
 	if (cpu_dai->codec &&
@@ -1425,12 +1374,14 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
 			return ret;
 	}
 
-	/* probe the CODEC-side component */
-	if (!codec_dai->codec->probed &&
-	    codec_dai->codec->driver->probe_order == order) {
-		ret = soc_probe_codec(card, codec_dai->codec);
-		if (ret < 0)
-			return ret;
+	/* probe the CODEC-side components */
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if (!rtd->codec_dais[i]->codec->probed &&
+		    rtd->codec_dais[i]->codec->driver->probe_order == order) {
+			ret = soc_probe_codec(card, rtd->codec_dais[i]->codec);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	/* probe the platform */
@@ -1470,12 +1421,16 @@ static int soc_probe_codec_dai(struct snd_soc_card *card,
 
 static int soc_link_dai_widgets(struct snd_soc_card *card,
 				struct snd_soc_dai_link *dai_link,
-				struct snd_soc_dai *cpu_dai,
-				struct snd_soc_dai *codec_dai)
+				struct snd_soc_pcm_runtime *rtd)
 {
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_dapm_widget *play_w, *capture_w;
 	int ret;
 
+	if (rtd->num_codecs > 1)
+		dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n");
+
 	/* link the DAI widgets */
 	play_w = codec_dai->playback_widget;
 	capture_w = cpu_dai->capture_widget;
@@ -1508,19 +1463,18 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 {
 	struct snd_soc_dai_link *dai_link = &card->dai_link[num];
 	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
-	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_platform *platform = rtd->platform;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	int ret;
+	int i, ret;
 
 	dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
 			card->name, num, order);
 
 	/* config components */
 	cpu_dai->platform = platform;
-	codec_dai->card = card;
 	cpu_dai->card = card;
+	for (i = 0; i < rtd->num_codecs; i++)
+		rtd->codec_dais[i]->card = card;
 
 	/* set default power off timeout */
 	rtd->pmdown_time = pmdown_time;
@@ -1529,11 +1483,8 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 	if (!cpu_dai->probed &&
 			cpu_dai->driver->probe_order == order) {
 		if (!cpu_dai->codec) {
-			cpu_dai->dapm.card = card;
 			if (!try_module_get(cpu_dai->dev->driver->owner))
 				return -ENODEV;
-
-			list_add(&cpu_dai->dapm.list, &card->dapm_list);
 		}
 
 		if (cpu_dai->driver->probe) {
@@ -1550,18 +1501,43 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 	}
 
 	/* probe the CODEC DAI */
-	ret = soc_probe_codec_dai(card, codec_dai, order);
-	if (ret)
-		return ret;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order);
+		if (ret)
+			return ret;
+	}
 
 	/* complete DAI probe during last probe */
 	if (order != SND_SOC_COMP_ORDER_LAST)
 		return 0;
 
-	ret = soc_post_component_init(card, codec, num, 0);
+	/* do machine specific initialization */
+	if (dai_link->init) {
+		ret = dai_link->init(rtd);
+		if (ret < 0) {
+			dev_err(card->dev, "ASoC: failed to init %s: %d\n",
+				dai_link->name, ret);
+			return ret;
+		}
+	}
+
+	ret = soc_post_component_init(rtd, dai_link->name);
 	if (ret)
 		return ret;
 
+#ifdef CONFIG_DEBUG_FS
+	/* add DPCM sysfs entries */
+	if (dai_link->dynamic) {
+		ret = soc_dpcm_debugfs_add(rtd);
+		if (ret < 0) {
+			dev_err(rtd->dev,
+				"ASoC: failed to add dpcm sysfs entries: %d\n",
+				ret);
+			return ret;
+		}
+	}
+#endif
+
 	ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
 	if (ret < 0)
 		dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n",
@@ -1590,16 +1566,18 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 						codec2codec_close_delayed_work);
 
 			/* link the DAI widgets */
-			ret = soc_link_dai_widgets(card, dai_link,
-					cpu_dai, codec_dai);
+			ret = soc_link_dai_widgets(card, dai_link, rtd);
 			if (ret)
 				return ret;
 		}
 	}
 
 	/* add platform data for AC97 devices */
-	if (rtd->codec_dai->driver->ac97_control)
-		snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if (rtd->codec_dais[i]->driver->ac97_control)
+			snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
+					       rtd->cpu_dai->ac97_pdata);
+	}
 
 	return 0;
 }
@@ -1637,11 +1615,6 @@ static int soc_register_ac97_codec(struct snd_soc_codec *codec,
 	return 0;
 }
 
-static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
-{
-	return soc_register_ac97_codec(rtd->codec, rtd->codec_dai);
-}
-
 static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
 {
 	if (codec->ac97_registered) {
@@ -1650,74 +1623,77 @@ static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
 	}
 }
 
-static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
+static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
 {
-	soc_unregister_ac97_codec(rtd->codec);
-}
-#endif
+	int i, ret;
 
-static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card,
-	int num)
-{
-	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
-	struct snd_soc_codec *codec;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
 
-	/* find CODEC from registered CODECs */
-	list_for_each_entry(codec, &codec_list, list) {
-		if (aux_dev->codec_of_node &&
-		   (codec->dev->of_node != aux_dev->codec_of_node))
-			continue;
-		if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name))
-			continue;
-		return codec;
+		ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
+		if (ret) {
+			while (--i >= 0)
+				soc_unregister_ac97_codec(codec_dai->codec);
+			return ret;
+		}
 	}
 
-	return NULL;
+	return 0;
 }
 
-static int soc_check_aux_dev(struct snd_soc_card *card, int num)
+static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
 {
-	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
-	const char *codecname = aux_dev->codec_name;
-	struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
-
-	if (codec)
-		return 0;
-	if (aux_dev->codec_of_node)
-		codecname = of_node_full_name(aux_dev->codec_of_node);
+	int i;
 
-	dev_err(card->dev, "ASoC: %s not registered\n", codecname);
-	return -EPROBE_DEFER;
+	for (i = 0; i < rtd->num_codecs; i++)
+		soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
 }
+#endif
 
-static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
 {
+	struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
 	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
 	const char *codecname = aux_dev->codec_name;
-	int ret = -ENODEV;
-	struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
 
-	if (!codec) {
+	rtd->codec = soc_find_codec(aux_dev->codec_of_node, codecname);
+	if (!rtd->codec) {
 		if (aux_dev->codec_of_node)
 			codecname = of_node_full_name(aux_dev->codec_of_node);
 
-		/* codec not found */
-		dev_err(card->dev, "ASoC: codec %s not found", codecname);
+		dev_err(card->dev, "ASoC: %s not registered\n", codecname);
 		return -EPROBE_DEFER;
 	}
 
-	if (codec->probed) {
-		dev_err(codec->dev, "ASoC: codec already probed");
+	return 0;
+}
+
+static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+{
+	struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
+	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
+	int ret;
+
+	if (rtd->codec->probed) {
+		dev_err(rtd->codec->dev, "ASoC: codec already probed\n");
 		return -EBUSY;
 	}
 
-	ret = soc_probe_codec(card, codec);
+	ret = soc_probe_codec(card, rtd->codec);
 	if (ret < 0)
 		return ret;
 
-	ret = soc_post_component_init(card, codec, num, 1);
+	/* do machine specific initialization */
+	if (aux_dev->init) {
+		ret = aux_dev->init(&rtd->codec->dapm);
+		if (ret < 0) {
+			dev_err(card->dev, "ASoC: failed to init %s: %d\n",
+				aux_dev->name, ret);
+			return ret;
+		}
+	}
 
-	return ret;
+	return soc_post_component_init(rtd, aux_dev->name);
 }
 
 static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
@@ -1769,9 +1745,9 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 			goto base_error;
 	}
 
-	/* check aux_devs too */
+	/* bind aux_devs too */
 	for (i = 0; i < card->num_aux_devs; i++) {
-		ret = soc_check_aux_dev(card, i);
+		ret = soc_bind_aux_dev(card, i);
 		if (ret != 0)
 			goto base_error;
 	}
@@ -1869,16 +1845,23 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 					card->num_dapm_routes);
 
 	for (i = 0; i < card->num_links; i++) {
+		struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
 		dai_link = &card->dai_link[i];
 		dai_fmt = dai_link->dai_fmt;
 
 		if (dai_fmt) {
-			ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
-						  dai_fmt);
-			if (ret != 0 && ret != -ENOTSUPP)
-				dev_warn(card->rtd[i].codec_dai->dev,
-					 "ASoC: Failed to set DAI format: %d\n",
-					 ret);
+			struct snd_soc_dai **codec_dais = rtd->codec_dais;
+			int j;
+
+			for (j = 0; j < rtd->num_codecs; j++) {
+				struct snd_soc_dai *codec_dai = codec_dais[j];
+
+				ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
+				if (ret != 0 && ret != -ENOTSUPP)
+					dev_warn(codec_dai->dev,
+						 "ASoC: Failed to set DAI format: %d\n",
+						 ret);
+			}
 		}
 
 		/* If this is a regular CPU link there will be a platform */
@@ -1947,8 +1930,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	}
 
 	if (card->fully_routed)
-		list_for_each_entry(codec, &card->codec_dev_list, card_list)
-			snd_soc_dapm_auto_nc_codec_pins(codec);
+		snd_soc_dapm_auto_nc_pins(card);
 
 	snd_soc_dapm_new_widgets(card);
 
@@ -2078,10 +2060,15 @@ int snd_soc_poweroff(struct device *dev)
 
 	/* deactivate pins to sleep state */
 	for (i = 0; i < card->num_rtd; i++) {
-		struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
-		struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
-		pinctrl_pm_select_sleep_state(codec_dai->dev);
+		struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+		int j;
+
 		pinctrl_pm_select_sleep_state(cpu_dai->dev);
+		for (j = 0; j < rtd->num_codecs; j++) {
+			struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+			pinctrl_pm_select_sleep_state(codec_dai->dev);
+		}
 	}
 
 	return 0;
@@ -2406,6 +2393,25 @@ struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 }
 EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
 
+/**
+ * snd_soc_add_component_controls - Add an array of controls to a component.
+ *
+ * @component: Component to add controls to
+ * @controls: Array of controls to add
+ * @num_controls: Number of elements in the array
+ *
+ * Return: 0 for success, else error.
+ */
+int snd_soc_add_component_controls(struct snd_soc_component *component,
+	const struct snd_kcontrol_new *controls, unsigned int num_controls)
+{
+	struct snd_card *card = component->card->snd_card;
+
+	return snd_soc_add_controls(card, component->dev, controls,
+			num_controls, component->name_prefix, component);
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_component_controls);
+
 /**
  * snd_soc_add_codec_controls - add an array of controls to a codec.
  * Convenience function to add a list of controls. Many codecs were
@@ -2418,12 +2424,10 @@ EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
  * Return 0 for success, else error.
  */
 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
-	const struct snd_kcontrol_new *controls, int num_controls)
+	const struct snd_kcontrol_new *controls, unsigned int num_controls)
 {
-	struct snd_card *card = codec->card->snd_card;
-
-	return snd_soc_add_controls(card, codec->dev, controls, num_controls,
-			codec->name_prefix, &codec->component);
+	return snd_soc_add_component_controls(&codec->component, controls,
+		num_controls);
 }
 EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
 
@@ -2438,12 +2442,10 @@ EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
  * Return 0 for success, else error.
  */
 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
-	const struct snd_kcontrol_new *controls, int num_controls)
+	const struct snd_kcontrol_new *controls, unsigned int num_controls)
 {
-	struct snd_card *card = platform->card->snd_card;
-
-	return snd_soc_add_controls(card, platform->dev, controls, num_controls,
-			NULL, &platform->component);
+	return snd_soc_add_component_controls(&platform->component, controls,
+		num_controls);
 }
 EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
 
@@ -3115,7 +3117,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
 int snd_soc_limit_volume(struct snd_soc_codec *codec,
 	const char *name, int max)
 {
-	struct snd_card *card = codec->card->snd_card;
+	struct snd_card *card = codec->component.card->snd_card;
 	struct snd_kcontrol *kctl;
 	struct soc_mixer_control *mc;
 	int found = 0;
@@ -3661,6 +3663,9 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
 	else
 		snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
 
+	dai->tx_mask = tx_mask;
+	dai->rx_mask = rx_mask;
+
 	if (dai->driver && dai->driver->ops->set_tdm_slot)
 		return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
 				slots, slot_width);
@@ -3733,6 +3738,33 @@ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
 
+static int snd_soc_init_multicodec(struct snd_soc_card *card,
+				   struct snd_soc_dai_link *dai_link)
+{
+	/* Legacy codec/codec_dai link is a single entry in multicodec */
+	if (dai_link->codec_name || dai_link->codec_of_node ||
+	    dai_link->codec_dai_name) {
+		dai_link->num_codecs = 1;
+
+		dai_link->codecs = devm_kzalloc(card->dev,
+				sizeof(struct snd_soc_dai_link_component),
+				GFP_KERNEL);
+		if (!dai_link->codecs)
+			return -ENOMEM;
+
+		dai_link->codecs[0].name = dai_link->codec_name;
+		dai_link->codecs[0].of_node = dai_link->codec_of_node;
+		dai_link->codecs[0].dai_name = dai_link->codec_dai_name;
+	}
+
+	if (!dai_link->codecs) {
+		dev_err(card->dev, "ASoC: DAI link has no CODECs\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /**
  * snd_soc_register_card - Register a card with the ASoC core
  *
@@ -3741,7 +3773,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
  */
 int snd_soc_register_card(struct snd_soc_card *card)
 {
-	int i, ret;
+	int i, j, ret;
 
 	if (!card->name || !card->dev)
 		return -EINVAL;
@@ -3749,22 +3781,29 @@ int snd_soc_register_card(struct snd_soc_card *card)
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai_link *link = &card->dai_link[i];
 
-		/*
-		 * Codec must be specified by 1 of name or OF node,
-		 * not both or neither.
-		 */
-		if (!!link->codec_name == !!link->codec_of_node) {
-			dev_err(card->dev,
-				"ASoC: Neither/both codec name/of_node are set for %s\n",
-				link->name);
-			return -EINVAL;
+		ret = snd_soc_init_multicodec(card, link);
+		if (ret) {
+			dev_err(card->dev, "ASoC: failed to init multicodec\n");
+			return ret;
 		}
-		/* Codec DAI name must be specified */
-		if (!link->codec_dai_name) {
-			dev_err(card->dev,
-				"ASoC: codec_dai_name not set for %s\n",
-				link->name);
-			return -EINVAL;
+
+		for (j = 0; j < link->num_codecs; j++) {
+			/*
+			 * Codec must be specified by 1 of name or OF node,
+			 * not both or neither.
+			 */
+			if (!!link->codecs[j].name ==
+			    !!link->codecs[j].of_node) {
+				dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n",
+					link->name);
+				return -EINVAL;
+			}
+			/* Codec DAI name must be specified */
+			if (!link->codecs[j].dai_name) {
+				dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n",
+					link->name);
+				return -EINVAL;
+			}
 		}
 
 		/*
@@ -3817,8 +3856,19 @@ int snd_soc_register_card(struct snd_soc_card *card)
 	card->num_rtd = 0;
 	card->rtd_aux = &card->rtd[card->num_links];
 
-	for (i = 0; i < card->num_links; i++)
+	for (i = 0; i < card->num_links; i++) {
+		card->rtd[i].card = card;
 		card->rtd[i].dai_link = &card->dai_link[i];
+		card->rtd[i].codec_dais = devm_kzalloc(card->dev,
+					sizeof(struct snd_soc_dai *) *
+					(card->rtd[i].dai_link->num_codecs),
+					GFP_KERNEL);
+		if (card->rtd[i].codec_dais == NULL)
+			return -ENOMEM;
+	}
+
+	for (i = 0; i < card->num_aux_devs; i++)
+		card->rtd_aux[i].card = card;
 
 	INIT_LIST_HEAD(&card->dapm_dirty);
 	card->instantiated = 0;
@@ -3831,10 +3881,16 @@ int snd_soc_register_card(struct snd_soc_card *card)
 
 	/* deactivate pins to sleep state */
 	for (i = 0; i < card->num_rtd; i++) {
-		struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
-		struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
-		if (!codec_dai->active)
-			pinctrl_pm_select_sleep_state(codec_dai->dev);
+		struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+		int j;
+
+		for (j = 0; j < rtd->num_codecs; j++) {
+			struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+			if (!codec_dai->active)
+				pinctrl_pm_select_sleep_state(codec_dai->dev);
+		}
+
 		if (!cpu_dai->active)
 			pinctrl_pm_select_sleep_state(cpu_dai->dev);
 	}
@@ -3941,16 +3997,14 @@ static void snd_soc_unregister_dais(struct snd_soc_component *component)
  * snd_soc_register_dais - Register a DAI with the ASoC core
  *
  * @component: The component the DAIs are registered for
- * @codec: The CODEC that the DAIs are registered for, NULL if the component is
- *         not a CODEC.
  * @dai_drv: DAI driver to use for the DAIs
  * @count: Number of DAIs
  * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the
  *                     parent's name.
  */
 static int snd_soc_register_dais(struct snd_soc_component *component,
-	struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv,
-	size_t count, bool legacy_dai_naming)
+	struct snd_soc_dai_driver *dai_drv, size_t count,
+	bool legacy_dai_naming)
 {
 	struct device *dev = component->dev;
 	struct snd_soc_dai *dai;
@@ -3959,6 +4013,9 @@ static int snd_soc_register_dais(struct snd_soc_component *component,
 
 	dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
 
+	component->dai_drv = dai_drv;
+	component->num_dai = count;
+
 	for (i = 0; i < count; i++) {
 
 		dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
@@ -3991,16 +4048,11 @@ static int snd_soc_register_dais(struct snd_soc_component *component,
 		}
 
 		dai->component = component;
-		dai->codec = codec;
 		dai->dev = dev;
 		dai->driver = &dai_drv[i];
-		dai->dapm.dev = dev;
 		if (!dai->driver->ops)
 			dai->driver->ops = &null_dai_ops;
 
-		if (!dai->codec)
-			dai->dapm.idle_bias_off = 1;
-
 		list_add(&dai->list, &component->dai_list);
 
 		dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
@@ -4014,60 +4066,82 @@ err:
 	return ret;
 }
 
-/**
- * snd_soc_register_component - Register a component with the ASoC core
- *
- */
-static int
-__snd_soc_register_component(struct device *dev,
-			     struct snd_soc_component *cmpnt,
-			     const struct snd_soc_component_driver *cmpnt_drv,
-			     struct snd_soc_codec *codec,
-			     struct snd_soc_dai_driver *dai_drv,
-			     int num_dai, bool allow_single_dai)
+static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm,
+	enum snd_soc_dapm_type type, int subseq)
 {
-	int ret;
+	struct snd_soc_component *component = dapm->component;
 
-	dev_dbg(dev, "component register %s\n", dev_name(dev));
+	component->driver->seq_notifier(component, type, subseq);
+}
 
-	if (!cmpnt) {
-		dev_err(dev, "ASoC: Failed to connecting component\n");
-		return -ENOMEM;
-	}
+static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm,
+	int event)
+{
+	struct snd_soc_component *component = dapm->component;
 
-	mutex_init(&cmpnt->io_mutex);
+	return component->driver->stream_event(component, event);
+}
+
+static int snd_soc_component_initialize(struct snd_soc_component *component,
+	const struct snd_soc_component_driver *driver, struct device *dev)
+{
+	struct snd_soc_dapm_context *dapm;
 
-	cmpnt->name = fmt_single_name(dev, &cmpnt->id);
-	if (!cmpnt->name) {
-		dev_err(dev, "ASoC: Failed to simplifying name\n");
+	component->name = fmt_single_name(dev, &component->id);
+	if (!component->name) {
+		dev_err(dev, "ASoC: Failed to allocate name\n");
 		return -ENOMEM;
 	}
 
-	cmpnt->dev	= dev;
-	cmpnt->driver	= cmpnt_drv;
-	cmpnt->dai_drv	= dai_drv;
-	cmpnt->num_dai	= num_dai;
-	INIT_LIST_HEAD(&cmpnt->dai_list);
+	component->dev = dev;
+	component->driver = driver;
 
-	ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai,
-		allow_single_dai);
-	if (ret < 0) {
-		dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
-		goto error_component_name;
-	}
+	if (!component->dapm_ptr)
+		component->dapm_ptr = &component->dapm;
+
+	dapm = component->dapm_ptr;
+	dapm->dev = dev;
+	dapm->component = component;
+	dapm->bias_level = SND_SOC_BIAS_OFF;
+	if (driver->seq_notifier)
+		dapm->seq_notifier = snd_soc_component_seq_notifier;
+	if (driver->stream_event)
+		dapm->stream_event = snd_soc_component_stream_event;
+
+	INIT_LIST_HEAD(&component->dai_list);
+	mutex_init(&component->io_mutex);
+
+	return 0;
+}
+
+static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
+{
+	list_add(&component->list, &component_list);
+}
 
+static void snd_soc_component_add(struct snd_soc_component *component)
+{
 	mutex_lock(&client_mutex);
-	list_add(&cmpnt->list, &component_list);
+	snd_soc_component_add_unlocked(component);
 	mutex_unlock(&client_mutex);
+}
 
-	dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
-
-	return ret;
+static void snd_soc_component_cleanup(struct snd_soc_component *component)
+{
+	snd_soc_unregister_dais(component);
+	kfree(component->name);
+}
 
-error_component_name:
-	kfree(cmpnt->name);
+static void snd_soc_component_del_unlocked(struct snd_soc_component *component)
+{
+	list_del(&component->list);
+}
 
-	return ret;
+static void snd_soc_component_del(struct snd_soc_component *component)
+{
+	mutex_lock(&client_mutex);
+	snd_soc_component_del_unlocked(component);
+	mutex_unlock(&client_mutex);
 }
 
 int snd_soc_register_component(struct device *dev,
@@ -4076,32 +4150,38 @@ int snd_soc_register_component(struct device *dev,
 			       int num_dai)
 {
 	struct snd_soc_component *cmpnt;
+	int ret;
 
-	cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+	cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL);
 	if (!cmpnt) {
 		dev_err(dev, "ASoC: Failed to allocate memory\n");
 		return -ENOMEM;
 	}
 
+	ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev);
+	if (ret)
+		goto err_free;
+
 	cmpnt->ignore_pmdown_time = true;
 	cmpnt->registered_as_component = true;
 
-	return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL,
-					    dai_drv, num_dai, true);
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_component);
+	ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true);
+	if (ret < 0) {
+		dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+		goto err_cleanup;
+	}
 
-static void __snd_soc_unregister_component(struct snd_soc_component *cmpnt)
-{
-	snd_soc_unregister_dais(cmpnt);
+	snd_soc_component_add(cmpnt);
 
-	mutex_lock(&client_mutex);
-	list_del(&cmpnt->list);
-	mutex_unlock(&client_mutex);
+	return 0;
 
-	dev_dbg(cmpnt->dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
-	kfree(cmpnt->name);
+err_cleanup:
+	snd_soc_component_cleanup(cmpnt);
+err_free:
+	kfree(cmpnt);
+	return ret;
 }
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
 
 /**
  * snd_soc_unregister_component - Unregister a component from the ASoC core
@@ -4118,7 +4198,9 @@ void snd_soc_unregister_component(struct device *dev)
 	return;
 
 found:
-	__snd_soc_unregister_component(cmpnt);
+	snd_soc_component_del(cmpnt);
+	snd_soc_component_cleanup(cmpnt);
+	kfree(cmpnt);
 }
 EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
 
@@ -4151,37 +4233,25 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
 {
 	int ret;
 
-	/* create platform component name */
-	platform->name = fmt_single_name(dev, &platform->id);
-	if (platform->name == NULL)
-		return -ENOMEM;
+	ret = snd_soc_component_initialize(&platform->component,
+			&platform_drv->component_driver, dev);
+	if (ret)
+		return ret;
 
 	platform->dev = dev;
 	platform->driver = platform_drv;
-	platform->dapm.dev = dev;
-	platform->dapm.platform = platform;
-	platform->dapm.component = &platform->component;
-	platform->dapm.stream_event = platform_drv->stream_event;
 	if (platform_drv->write)
 		platform->component.write = snd_soc_platform_drv_write;
 	if (platform_drv->read)
 		platform->component.read = snd_soc_platform_drv_read;
 
-	/* register component */
-	ret = __snd_soc_register_component(dev, &platform->component,
-					   &platform_drv->component_driver,
-					   NULL, NULL, 0, false);
-	if (ret < 0) {
-		dev_err(platform->component.dev,
-			"ASoC: Failed to register component: %d\n", ret);
-		return ret;
-	}
-
 	mutex_lock(&client_mutex);
+	snd_soc_component_add_unlocked(&platform->component);
 	list_add(&platform->list, &platform_list);
 	mutex_unlock(&client_mutex);
 
-	dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name);
+	dev_dbg(dev, "ASoC: Registered platform '%s'\n",
+		platform->component.name);
 
 	return 0;
 }
@@ -4218,15 +4288,16 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform);
  */
 void snd_soc_remove_platform(struct snd_soc_platform *platform)
 {
-	__snd_soc_unregister_component(&platform->component);
 
 	mutex_lock(&client_mutex);
 	list_del(&platform->list);
+	snd_soc_component_del_unlocked(&platform->component);
 	mutex_unlock(&client_mutex);
 
+	snd_soc_component_cleanup(&platform->component);
+
 	dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
-		platform->name);
-	kfree(platform->name);
+		platform->component.name);
 }
 EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
 
@@ -4312,6 +4383,14 @@ static int snd_soc_codec_drv_read(struct snd_soc_component *component,
 	return 0;
 }
 
+static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm,
+	enum snd_soc_bias_level level)
+{
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
+
+	return codec->driver->set_bias_level(codec, level);
+}
+
 /**
  * snd_soc_register_codec - Register a codec with the ASoC core
  *
@@ -4323,6 +4402,7 @@ int snd_soc_register_codec(struct device *dev,
 			   int num_dai)
 {
 	struct snd_soc_codec *codec;
+	struct snd_soc_dai *dai;
 	struct regmap *regmap;
 	int ret, i;
 
@@ -4332,24 +4412,23 @@ int snd_soc_register_codec(struct device *dev,
 	if (codec == NULL)
 		return -ENOMEM;
 
-	/* create CODEC component name */
-	codec->name = fmt_single_name(dev, &codec->id);
-	if (codec->name == NULL) {
-		ret = -ENOMEM;
-		goto fail_codec;
-	}
+	codec->component.dapm_ptr = &codec->dapm;
+
+	ret = snd_soc_component_initialize(&codec->component,
+			&codec_drv->component_driver, dev);
+	if (ret)
+		goto err_free;
 
 	if (codec_drv->write)
 		codec->component.write = snd_soc_codec_drv_write;
 	if (codec_drv->read)
 		codec->component.read = snd_soc_codec_drv_read;
 	codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
-	codec->dapm.bias_level = SND_SOC_BIAS_OFF;
-	codec->dapm.dev = dev;
 	codec->dapm.codec = codec;
-	codec->dapm.component = &codec->component;
-	codec->dapm.seq_notifier = codec_drv->seq_notifier;
-	codec->dapm.stream_event = codec_drv->stream_event;
+	if (codec_drv->seq_notifier)
+		codec->dapm.seq_notifier = codec_drv->seq_notifier;
+	if (codec_drv->set_bias_level)
+		codec->dapm.set_bias_level = snd_soc_codec_set_bias_level;
 	codec->dev = dev;
 	codec->driver = codec_drv;
 	codec->component.val_bytes = codec_drv->reg_word_size;
@@ -4368,7 +4447,7 @@ int snd_soc_register_codec(struct device *dev,
 				dev_err(codec->dev,
 						"Failed to set cache I/O:%d\n",
 						ret);
-				return ret;
+				goto err_cleanup;
 			}
 		}
 	}
@@ -4378,29 +4457,27 @@ int snd_soc_register_codec(struct device *dev,
 		fixup_codec_formats(&dai_drv[i].capture);
 	}
 
-	mutex_lock(&client_mutex);
-	list_add(&codec->list, &codec_list);
-	mutex_unlock(&client_mutex);
-
-	/* register component */
-	ret = __snd_soc_register_component(dev, &codec->component,
-					   &codec_drv->component_driver,
-					   codec, dai_drv, num_dai, false);
+	ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false);
 	if (ret < 0) {
-		dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
-		goto fail_codec_name;
+		dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+		goto err_cleanup;
 	}
 
-	dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
-	return 0;
+	list_for_each_entry(dai, &codec->component.dai_list, list)
+		dai->codec = codec;
 
-fail_codec_name:
 	mutex_lock(&client_mutex);
-	list_del(&codec->list);
+	snd_soc_component_add_unlocked(&codec->component);
+	list_add(&codec->list, &codec_list);
 	mutex_unlock(&client_mutex);
 
-	kfree(codec->name);
-fail_codec:
+	dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n",
+		codec->component.name);
+	return 0;
+
+err_cleanup:
+	snd_soc_component_cleanup(&codec->component);
+err_free:
 	kfree(codec);
 	return ret;
 }
@@ -4422,16 +4499,17 @@ void snd_soc_unregister_codec(struct device *dev)
 	return;
 
 found:
-	__snd_soc_unregister_component(&codec->component);
 
 	mutex_lock(&client_mutex);
 	list_del(&codec->list);
+	snd_soc_component_del_unlocked(&codec->component);
 	mutex_unlock(&client_mutex);
 
-	dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name);
+	dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n",
+			codec->component.name);
 
+	snd_soc_component_cleanup(&codec->component);
 	snd_soc_cache_exit(codec);
-	kfree(codec->name);
 	kfree(codec);
 }
 EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);

sound/soc/soc-dapm.c

@@ -349,13 +349,28 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
 	return true;
 }
 
+/**
+ * snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a
+ *  kcontrol
+ * @kcontrol: The kcontrol
+ *
+ * Note: This function must only be used on kcontrols that are known to have
+ * been registered for a CODEC. Otherwise the behaviour is undefined.
+ */
+struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
+	struct snd_kcontrol *kcontrol)
+{
+	return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->dapm;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_dapm);
+
 /**
  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
  * @kcontrol: The kcontrol
  */
 struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol)
 {
-	return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->codec;
+	return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_codec);
 
@@ -375,23 +390,38 @@ static void dapm_reset(struct snd_soc_card *card)
 	}
 }
 
-static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg,
+static const char *soc_dapm_prefix(struct snd_soc_dapm_context *dapm)
+{
+	if (!dapm->component)
+		return NULL;
+	return dapm->component->name_prefix;
+}
+
+static int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg,
 	unsigned int *value)
 {
-	if (!w->dapm->component)
+	if (!dapm->component)
 		return -EIO;
-	return snd_soc_component_read(w->dapm->component, reg, value);
+	return snd_soc_component_read(dapm->component, reg, value);
 }
 
-static int soc_widget_update_bits(struct snd_soc_dapm_widget *w,
+static int soc_dapm_update_bits(struct snd_soc_dapm_context *dapm,
 	int reg, unsigned int mask, unsigned int value)
 {
-	if (!w->dapm->component)
+	if (!dapm->component)
 		return -EIO;
-	return snd_soc_component_update_bits_async(w->dapm->component, reg,
+	return snd_soc_component_update_bits_async(dapm->component, reg,
 		mask, value);
 }
 
+static int soc_dapm_test_bits(struct snd_soc_dapm_context *dapm,
+	int reg, unsigned int mask, unsigned int value)
+{
+	if (!dapm->component)
+		return -EIO;
+	return snd_soc_component_test_bits(dapm->component, reg, mask, value);
+}
+
 static void soc_dapm_async_complete(struct snd_soc_dapm_context *dapm)
 {
 	if (dapm->component)
@@ -420,15 +450,10 @@ static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm,
 	if (ret != 0)
 		goto out;
 
-	if (dapm->codec) {
-		if (dapm->codec->driver->set_bias_level)
-			ret = dapm->codec->driver->set_bias_level(dapm->codec,
-								  level);
-		else
-			dapm->bias_level = level;
-	} else if (!card || dapm != &card->dapm) {
+	if (dapm->set_bias_level)
+		ret = dapm->set_bias_level(dapm, level);
+	else if (!card || dapm != &card->dapm)
 		dapm->bias_level = level;
-	}
 
 	if (ret != 0)
 		goto out;
@@ -452,7 +477,7 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
 	int i;
 
 	if (e->reg != SND_SOC_NOPM) {
-		soc_widget_read(dest, e->reg, &val);
+		soc_dapm_read(dapm, e->reg, &val);
 		val = (val >> e->shift_l) & e->mask;
 		item = snd_soc_enum_val_to_item(e, val);
 	} else {
@@ -496,7 +521,7 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_widget *w,
 	unsigned int val;
 
 	if (reg != SND_SOC_NOPM) {
-		soc_widget_read(w, reg, &val);
+		soc_dapm_read(w->dapm, reg, &val);
 		val = (val >> shift) & mask;
 		if (invert)
 			val = max - val;
@@ -570,11 +595,7 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 	const char *name;
 	int ret;
 
-	if (dapm->codec)
-		prefix = dapm->codec->name_prefix;
-	else
-		prefix = NULL;
-
+	prefix = soc_dapm_prefix(dapm);
 	if (prefix)
 		prefix_len = strlen(prefix) + 1;
 	else
@@ -1308,16 +1329,18 @@ static void dapm_seq_check_event(struct snd_soc_card *card,
 static void dapm_seq_run_coalesced(struct snd_soc_card *card,
 				   struct list_head *pending)
 {
+	struct snd_soc_dapm_context *dapm;
 	struct snd_soc_dapm_widget *w;
 	int reg;
 	unsigned int value = 0;
 	unsigned int mask = 0;
 
-	reg = list_first_entry(pending, struct snd_soc_dapm_widget,
-			       power_list)->reg;
+	w = list_first_entry(pending, struct snd_soc_dapm_widget, power_list);
+	reg = w->reg;
+	dapm = w->dapm;
 
 	list_for_each_entry(w, pending, power_list) {
-		WARN_ON(reg != w->reg);
+		WARN_ON(reg != w->reg || dapm != w->dapm);
 		w->power = w->new_power;
 
 		mask |= w->mask << w->shift;
@@ -1326,7 +1349,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
 		else
 			value |= w->off_val << w->shift;
 
-		pop_dbg(w->dapm->dev, card->pop_time,
+		pop_dbg(dapm->dev, card->pop_time,
 			"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
 			w->name, reg, value, mask);
 
@@ -1339,14 +1362,12 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
 		/* Any widget will do, they should all be updating the
 		 * same register.
 		 */
-		w = list_first_entry(pending, struct snd_soc_dapm_widget,
-				     power_list);
 
-		pop_dbg(w->dapm->dev, card->pop_time,
+		pop_dbg(dapm->dev, card->pop_time,
 			"pop test : Applying 0x%x/0x%x to %x in %dms\n",
 			value, mask, reg, card->pop_time);
 		pop_wait(card->pop_time);
-		soc_widget_update_bits(w, reg, mask, value);
+		soc_dapm_update_bits(dapm, reg, mask, value);
 	}
 
 	list_for_each_entry(w, pending, power_list) {
@@ -1492,7 +1513,8 @@ static void dapm_widget_update(struct snd_soc_card *card)
 	if (!w)
 		return;
 
-	ret = soc_widget_update_bits(w, update->reg, update->mask, update->val);
+	ret = soc_dapm_update_bits(w->dapm, update->reg, update->mask,
+		update->val);
 	if (ret < 0)
 		dev_err(w->dapm->dev, "ASoC: %s DAPM update failed: %d\n",
 			w->name, ret);
@@ -2062,17 +2084,13 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
 
-/* show dapm widget status in sys fs */
-static ssize_t dapm_widget_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
+static ssize_t dapm_widget_show_codec(struct snd_soc_codec *codec, char *buf)
 {
-	struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
-	struct snd_soc_codec *codec =rtd->codec;
 	struct snd_soc_dapm_widget *w;
 	int count = 0;
 	char *state = "not set";
 
-	list_for_each_entry(w, &codec->card->widgets, list) {
+	list_for_each_entry(w, &codec->component.card->widgets, list) {
 		if (w->dapm != &codec->dapm)
 			continue;
 
@@ -2120,6 +2138,21 @@ static ssize_t dapm_widget_show(struct device *dev,
 	return count;
 }
 
+/* show dapm widget status in sys fs */
+static ssize_t dapm_widget_show(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
+	int i, count = 0;
+
+	for (i = 0; i < rtd->num_codecs; i++) {
+		struct snd_soc_codec *codec = rtd->codec_dais[i]->codec;
+		count += dapm_widget_show_codec(codec, buf + count);
+	}
+
+	return count;
+}
+
 static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
 
 int snd_soc_dapm_sys_add(struct device *dev)
@@ -2371,14 +2404,16 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 	const char *source;
 	char prefixed_sink[80];
 	char prefixed_source[80];
+	const char *prefix;
 	int ret;
 
-	if (dapm->codec && dapm->codec->name_prefix) {
+	prefix = soc_dapm_prefix(dapm);
+	if (prefix) {
 		snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
-			 dapm->codec->name_prefix, route->sink);
+			 prefix, route->sink);
 		sink = prefixed_sink;
 		snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
-			 dapm->codec->name_prefix, route->source);
+			 prefix, route->source);
 		source = prefixed_source;
 	} else {
 		sink = route->sink;
@@ -2439,6 +2474,7 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
 	const char *source;
 	char prefixed_sink[80];
 	char prefixed_source[80];
+	const char *prefix;
 
 	if (route->control) {
 		dev_err(dapm->dev,
@@ -2446,12 +2482,13 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
 		return -EINVAL;
 	}
 
-	if (dapm->codec && dapm->codec->name_prefix) {
+	prefix = soc_dapm_prefix(dapm);
+	if (prefix) {
 		snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
-			 dapm->codec->name_prefix, route->sink);
+			 prefix, route->sink);
 		sink = prefixed_sink;
 		snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
-			 dapm->codec->name_prefix, route->source);
+			 prefix, route->source);
 		source = prefixed_source;
 	} else {
 		sink = route->sink;
@@ -2670,7 +2707,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
 
 		/* Read the initial power state from the device */
 		if (w->reg >= 0) {
-			soc_widget_read(w, w->reg, &val);
+			soc_dapm_read(w->dapm, w->reg, &val);
 			val = val >> w->shift;
 			val &= w->mask;
 			if (val == w->on_val)
@@ -2701,8 +2738,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+	struct snd_soc_card *card = dapm->card;
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	int reg = mc->reg;
@@ -2711,17 +2748,20 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
 	unsigned int val;
+	int ret = 0;
 
 	if (snd_soc_volsw_is_stereo(mc))
-		dev_warn(codec->dapm.dev,
+		dev_warn(dapm->dev,
 			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-	if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM)
-		val = (snd_soc_read(codec, reg) >> shift) & mask;
-	else
+	if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM) {
+		ret = soc_dapm_read(dapm, reg, &val);
+		val = (val >> shift) & mask;
+	} else {
 		val = dapm_kcontrol_get_value(kcontrol);
+	}
 	mutex_unlock(&card->dapm_mutex);
 
 	if (invert)
@@ -2729,7 +2769,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	else
 		ucontrol->value.integer.value[0] = val;
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
 
@@ -2745,8 +2785,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+	struct snd_soc_card *card = dapm->card;
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	int reg = mc->reg;
@@ -2760,7 +2800,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	int ret = 0;
 
 	if (snd_soc_volsw_is_stereo(mc))
-		dev_warn(codec->dapm.dev,
+		dev_warn(dapm->dev,
 			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
@@ -2778,7 +2818,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 		mask = mask << shift;
 		val = val << shift;
 
-		reg_change = snd_soc_test_bits(codec, reg, mask, val);
+		reg_change = soc_dapm_test_bits(dapm, reg, mask, val);
 	}
 
 	if (change || reg_change) {
@@ -2817,12 +2857,13 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int reg_val, val;
+	int ret = 0;
 
 	if (e->reg != SND_SOC_NOPM)
-		reg_val = snd_soc_read(codec, e->reg);
+		ret = soc_dapm_read(dapm, e->reg, &reg_val);
 	else
 		reg_val = dapm_kcontrol_get_value(kcontrol);
 
@@ -2834,7 +2875,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
 		ucontrol->value.enumerated.item[1] = val;
 	}
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
 
@@ -2850,8 +2891,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+	struct snd_soc_card *card = dapm->card;
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int *item = ucontrol->value.enumerated.item;
 	unsigned int val, change;
@@ -2874,7 +2915,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
 	if (e->reg != SND_SOC_NOPM)
-		change = snd_soc_test_bits(codec, e->reg, mask, val);
+		change = soc_dapm_test_bits(dapm, e->reg, mask, val);
 	else
 		change = dapm_kcontrol_set_value(kcontrol, val);
 
@@ -2971,6 +3012,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 			 const struct snd_soc_dapm_widget *widget)
 {
 	struct snd_soc_dapm_widget *w;
+	const char *prefix;
 	int ret;
 
 	if ((w = dapm_cnew_widget(widget)) == NULL)
@@ -3011,9 +3053,9 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 		break;
 	}
 
-	if (dapm->codec && dapm->codec->name_prefix)
-		w->name = kasprintf(GFP_KERNEL, "%s %s",
-			dapm->codec->name_prefix, widget->name);
+	prefix = soc_dapm_prefix(dapm);
+	if (prefix)
+		w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name);
 	else
 		w->name = kasprintf(GFP_KERNEL, "%s", widget->name);
 
@@ -3066,7 +3108,6 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 
 	w->dapm = dapm;
 	w->codec = dapm->codec;
-	w->platform = dapm->platform;
 	INIT_LIST_HEAD(&w->sources);
 	INIT_LIST_HEAD(&w->sinks);
 	INIT_LIST_HEAD(&w->list);
@@ -3173,27 +3214,15 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
-		if (source->driver->ops && source->driver->ops->hw_params) {
-			substream.stream = SNDRV_PCM_STREAM_CAPTURE;
-			ret = source->driver->ops->hw_params(&substream,
-							     params, source);
-			if (ret != 0) {
-				dev_err(source->dev,
-					"ASoC: hw_params() failed: %d\n", ret);
-				goto out;
-			}
-		}
+		substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+		ret = soc_dai_hw_params(&substream, params, source);
+		if (ret < 0)
+			goto out;
 
-		if (sink->driver->ops && sink->driver->ops->hw_params) {
-			substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
-			ret = sink->driver->ops->hw_params(&substream, params,
-							   sink);
-			if (ret != 0) {
-				dev_err(sink->dev,
-					"ASoC: hw_params() failed: %d\n", ret);
-				goto out;
-			}
-		}
+		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+		ret = soc_dai_hw_params(&substream, params, sink);
+		if (ret < 0)
+			goto out;
 		break;
 
 	case SND_SOC_DAPM_POST_PMU:
@@ -3365,25 +3394,15 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
 	return 0;
 }
 
-void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
+static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
+					  struct snd_soc_pcm_runtime *rtd)
 {
-	struct snd_soc_pcm_runtime *rtd = card->rtd;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_soc_dapm_widget *sink, *source;
-	struct snd_soc_dai *cpu_dai, *codec_dai;
 	int i;
 
-	/* for each BE DAI link... */
-	for (i = 0; i < card->num_rtd; i++) {
-		rtd = &card->rtd[i];
-		cpu_dai = rtd->cpu_dai;
-		codec_dai = rtd->codec_dai;
-
-		/*
-		 * dynamic FE links have no fixed DAI mapping.
-		 * CODEC<->CODEC links have no direct connection.
-		 */
-		if (rtd->dai_link->dynamic || rtd->dai_link->params)
-			continue;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
 
 		/* there is no point in connecting BE DAI links with dummies */
 		if (snd_soc_dai_is_dummy(codec_dai) ||
@@ -3395,8 +3414,8 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
 			source = cpu_dai->playback_widget;
 			sink = codec_dai->playback_widget;
 			dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
-				cpu_dai->codec->name, source->name,
-				codec_dai->platform->name, sink->name);
+				cpu_dai->component->name, source->name,
+				codec_dai->component->name, sink->name);
 
 			snd_soc_dapm_add_path(&card->dapm, source, sink,
 				NULL, NULL);
@@ -3407,8 +3426,8 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
 			source = codec_dai->capture_widget;
 			sink = cpu_dai->capture_widget;
 			dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
-				codec_dai->codec->name, source->name,
-				cpu_dai->platform->name, sink->name);
+				codec_dai->component->name, source->name,
+				cpu_dai->component->name, sink->name);
 
 			snd_soc_dapm_add_path(&card->dapm, source, sink,
 				NULL, NULL);
@@ -3445,11 +3464,34 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
 	}
 }
 
+void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
+{
+	struct snd_soc_pcm_runtime *rtd = card->rtd;
+	int i;
+
+	/* for each BE DAI link... */
+	for (i = 0; i < card->num_rtd; i++) {
+		rtd = &card->rtd[i];
+
+		/*
+		 * dynamic FE links have no fixed DAI mapping.
+		 * CODEC<->CODEC links have no direct connection.
+		 */
+		if (rtd->dai_link->dynamic || rtd->dai_link->params)
+			continue;
+
+		dapm_connect_dai_link_widgets(card, rtd);
+	}
+}
+
 static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
 	int event)
 {
+	int i;
+
 	soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
-	soc_dapm_dai_stream_event(rtd->codec_dai, stream, event);
+	for (i = 0; i < rtd->num_codecs; i++)
+		soc_dapm_dai_stream_event(rtd->codec_dais[i], stream, event);
 
 	dapm_power_widgets(rtd->card, event);
 }
@@ -3758,36 +3800,31 @@ static bool snd_soc_dapm_widget_in_card_paths(struct snd_soc_card *card,
 }
 
 /**
- * snd_soc_dapm_auto_nc_codec_pins - call snd_soc_dapm_nc_pin for unused pins
- * @codec: The codec whose pins should be processed
+ * snd_soc_dapm_auto_nc_pins - call snd_soc_dapm_nc_pin for unused pins
+ * @card: The card whose pins should be processed
  *
- * Automatically call snd_soc_dapm_nc_pin() for any external pins in the codec
- * which are unused. Pins are used if they are connected externally to the
- * codec, whether that be to some other device, or a loop-back connection to
- * the codec itself.
+ * Automatically call snd_soc_dapm_nc_pin() for any external pins in the card
+ * which are unused. Pins are used if they are connected externally to a
+ * component, whether that be to some other device, or a loop-back connection to
+ * the component itself.
  */
-void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec)
+void snd_soc_dapm_auto_nc_pins(struct snd_soc_card *card)
 {
-	struct snd_soc_card *card = codec->card;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	struct snd_soc_dapm_widget *w;
 
-	dev_dbg(codec->dev, "ASoC: Auto NC: DAPMs: card:%p codec:%p\n",
-		&card->dapm, &codec->dapm);
+	dev_dbg(card->dev, "ASoC: Auto NC: DAPMs: card:%p\n", &card->dapm);
 
 	list_for_each_entry(w, &card->widgets, list) {
-		if (w->dapm != dapm)
-			continue;
 		switch (w->id) {
 		case snd_soc_dapm_input:
 		case snd_soc_dapm_output:
 		case snd_soc_dapm_micbias:
-			dev_dbg(codec->dev, "ASoC: Auto NC: Checking widget %s\n",
+			dev_dbg(card->dev, "ASoC: Auto NC: Checking widget %s\n",
 				w->name);
 			if (!snd_soc_dapm_widget_in_card_paths(card, w)) {
-				dev_dbg(codec->dev,
+				dev_dbg(card->dev,
 					"... Not in map; disabling\n");
-				snd_soc_dapm_nc_pin(dapm, w->name);
+				snd_soc_dapm_nc_pin(w->dapm, w->name);
 			}
 			break;
 		default:

sound/soc/soc-jack.c

@@ -43,7 +43,7 @@ int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
 	INIT_LIST_HEAD(&jack->jack_zones);
 	BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
 
-	return snd_jack_new(codec->card->snd_card, id, type, &jack->jack);
+	return snd_jack_new(codec->component.card->snd_card, id, type, &jack->jack);
 }
 EXPORT_SYMBOL_GPL(snd_soc_jack_new);
 
@@ -260,7 +260,7 @@ static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio)
 static irqreturn_t gpio_handler(int irq, void *data)
 {
 	struct snd_soc_jack_gpio *gpio = data;
-	struct device *dev = gpio->jack->codec->card->dev;
+	struct device *dev = gpio->jack->codec->component.card->dev;
 
 	trace_snd_soc_jack_irq(gpio->name);
 

sound/soc/soc-pcm.c

@@ -7,7 +7,7 @@
  * Copyright (C) 2010 Texas Instruments Inc.
  *
  * Authors: Liam Girdwood <lrg@ti.com>
- *          Mark Brown <broonie@opensource.wolfsonmicro.com>       
+ *          Mark Brown <broonie@opensource.wolfsonmicro.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -47,22 +47,26 @@
 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream)
 {
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	int i;
 
 	lockdep_assert_held(&rtd->pcm_mutex);
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		cpu_dai->playback_active++;
-		codec_dai->playback_active++;
+		for (i = 0; i < rtd->num_codecs; i++)
+			rtd->codec_dais[i]->playback_active++;
 	} else {
 		cpu_dai->capture_active++;
-		codec_dai->capture_active++;
+		for (i = 0; i < rtd->num_codecs; i++)
+			rtd->codec_dais[i]->capture_active++;
 	}
 
 	cpu_dai->active++;
-	codec_dai->active++;
 	cpu_dai->component->active++;
-	codec_dai->component->active++;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		rtd->codec_dais[i]->active++;
+		rtd->codec_dais[i]->component->active++;
+	}
 }
 
 /**
@@ -78,22 +82,26 @@ void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream)
 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream)
 {
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	int i;
 
 	lockdep_assert_held(&rtd->pcm_mutex);
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		cpu_dai->playback_active--;
-		codec_dai->playback_active--;
+		for (i = 0; i < rtd->num_codecs; i++)
+			rtd->codec_dais[i]->playback_active--;
 	} else {
 		cpu_dai->capture_active--;
-		codec_dai->capture_active--;
+		for (i = 0; i < rtd->num_codecs; i++)
+			rtd->codec_dais[i]->capture_active--;
 	}
 
 	cpu_dai->active--;
-	codec_dai->active--;
 	cpu_dai->component->active--;
-	codec_dai->component->active--;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		rtd->codec_dais[i]->component->active--;
+		rtd->codec_dais[i]->active--;
+	}
 }
 
 /**
@@ -107,11 +115,16 @@ void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream)
  */
 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd)
 {
+	int i;
+	bool ignore = true;
+
 	if (!rtd->pmdown_time || rtd->dai_link->ignore_pmdown_time)
 		return true;
 
-	return rtd->cpu_dai->component->ignore_pmdown_time &&
-			rtd->codec_dai->component->ignore_pmdown_time;
+	for (i = 0; i < rtd->num_codecs; i++)
+		ignore &= rtd->codec_dais[i]->component->ignore_pmdown_time;
+
+	return rtd->cpu_dai->component->ignore_pmdown_time && ignore;
 }
 
 /**
@@ -222,8 +235,7 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	unsigned int rate, channels, sample_bits, symmetry;
+	unsigned int rate, channels, sample_bits, symmetry, i;
 
 	rate = params_rate(params);
 	channels = params_channels(params);
@@ -231,8 +243,11 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream,
 
 	/* reject unmatched parameters when applying symmetry */
 	symmetry = cpu_dai->driver->symmetric_rates ||
-		codec_dai->driver->symmetric_rates ||
 		rtd->dai_link->symmetric_rates;
+
+	for (i = 0; i < rtd->num_codecs; i++)
+		symmetry |= rtd->codec_dais[i]->driver->symmetric_rates;
+
 	if (symmetry && cpu_dai->rate && cpu_dai->rate != rate) {
 		dev_err(rtd->dev, "ASoC: unmatched rate symmetry: %d - %d\n",
 				cpu_dai->rate, rate);
@@ -240,8 +255,11 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream,
 	}
 
 	symmetry = cpu_dai->driver->symmetric_channels ||
-		codec_dai->driver->symmetric_channels ||
 		rtd->dai_link->symmetric_channels;
+
+	for (i = 0; i < rtd->num_codecs; i++)
+		symmetry |= rtd->codec_dais[i]->driver->symmetric_channels;
+
 	if (symmetry && cpu_dai->channels && cpu_dai->channels != channels) {
 		dev_err(rtd->dev, "ASoC: unmatched channel symmetry: %d - %d\n",
 				cpu_dai->channels, channels);
@@ -249,8 +267,11 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream,
 	}
 
 	symmetry = cpu_dai->driver->symmetric_samplebits ||
-		codec_dai->driver->symmetric_samplebits ||
 		rtd->dai_link->symmetric_samplebits;
+
+	for (i = 0; i < rtd->num_codecs; i++)
+		symmetry |= rtd->codec_dais[i]->driver->symmetric_samplebits;
+
 	if (symmetry && cpu_dai->sample_bits && cpu_dai->sample_bits != sample_bits) {
 		dev_err(rtd->dev, "ASoC: unmatched sample bits symmetry: %d - %d\n",
 				cpu_dai->sample_bits, sample_bits);
@@ -264,15 +285,20 @@ static bool soc_pcm_has_symmetry(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai_driver *cpu_driver = rtd->cpu_dai->driver;
-	struct snd_soc_dai_driver *codec_driver = rtd->codec_dai->driver;
 	struct snd_soc_dai_link *link = rtd->dai_link;
+	unsigned int symmetry, i;
 
-	return cpu_driver->symmetric_rates || codec_driver->symmetric_rates ||
-		link->symmetric_rates || cpu_driver->symmetric_channels ||
-		codec_driver->symmetric_channels || link->symmetric_channels ||
-		cpu_driver->symmetric_samplebits ||
-		codec_driver->symmetric_samplebits ||
-		link->symmetric_samplebits;
+	symmetry = cpu_driver->symmetric_rates || link->symmetric_rates ||
+		cpu_driver->symmetric_channels || link->symmetric_channels ||
+		cpu_driver->symmetric_samplebits || link->symmetric_samplebits;
+
+	for (i = 0; i < rtd->num_codecs; i++)
+		symmetry = symmetry ||
+			rtd->codec_dais[i]->driver->symmetric_rates ||
+			rtd->codec_dais[i]->driver->symmetric_channels ||
+			rtd->codec_dais[i]->driver->symmetric_samplebits;
+
+	return symmetry;
 }
 
 /*
@@ -284,15 +310,10 @@ static int sample_sizes[] = {
 	24, 32,
 };
 
-static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
-			      struct snd_soc_dai *dai)
+static void soc_pcm_set_msb(struct snd_pcm_substream *substream, int bits)
 {
-	int ret, i, bits;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		bits = dai->driver->playback.sig_bits;
-	else
-		bits = dai->driver->capture.sig_bits;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	int ret, i;
 
 	if (!bits)
 		return;
@@ -304,38 +325,105 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
 		ret = snd_pcm_hw_constraint_msbits(substream->runtime, 0,
 						   sample_sizes[i], bits);
 		if (ret != 0)
-			dev_warn(dai->dev,
+			dev_warn(rtd->dev,
 				 "ASoC: Failed to set MSB %d/%d: %d\n",
 				 bits, sample_sizes[i], ret);
 	}
 }
 
-static void soc_pcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
-	struct snd_soc_pcm_stream *codec_stream,
-	struct snd_soc_pcm_stream *cpu_stream)
+static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai;
+	int i;
+	unsigned int bits = 0, cpu_bits;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		for (i = 0; i < rtd->num_codecs; i++) {
+			codec_dai = rtd->codec_dais[i];
+			if (codec_dai->driver->playback.sig_bits == 0) {
+				bits = 0;
+				break;
+			}
+			bits = max(codec_dai->driver->playback.sig_bits, bits);
+		}
+		cpu_bits = cpu_dai->driver->playback.sig_bits;
+	} else {
+		for (i = 0; i < rtd->num_codecs; i++) {
+			codec_dai = rtd->codec_dais[i];
+			if (codec_dai->driver->playback.sig_bits == 0) {
+				bits = 0;
+				break;
+			}
+			bits = max(codec_dai->driver->capture.sig_bits, bits);
+		}
+		cpu_bits = cpu_dai->driver->capture.sig_bits;
+	}
+
+	soc_pcm_set_msb(substream, bits);
+	soc_pcm_set_msb(substream, cpu_bits);
+}
+
+static void soc_pcm_init_runtime_hw(struct snd_pcm_substream *substream)
 {
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_pcm_hardware *hw = &runtime->hw;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai_driver *cpu_dai_drv = rtd->cpu_dai->driver;
+	struct snd_soc_dai_driver *codec_dai_drv;
+	struct snd_soc_pcm_stream *codec_stream;
+	struct snd_soc_pcm_stream *cpu_stream;
+	unsigned int chan_min = 0, chan_max = UINT_MAX;
+	unsigned int rate_min = 0, rate_max = UINT_MAX;
+	unsigned int rates = UINT_MAX;
+	u64 formats = ULLONG_MAX;
+	int i;
 
-	hw->channels_min = max(codec_stream->channels_min,
-		cpu_stream->channels_min);
-	hw->channels_max = min(codec_stream->channels_max,
-		cpu_stream->channels_max);
-	if (hw->formats)
-		hw->formats &= codec_stream->formats & cpu_stream->formats;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		cpu_stream = &cpu_dai_drv->playback;
 	else
-		hw->formats = codec_stream->formats & cpu_stream->formats;
-	hw->rates = snd_pcm_rate_mask_intersect(codec_stream->rates,
-		cpu_stream->rates);
+		cpu_stream = &cpu_dai_drv->capture;
 
-	hw->rate_min = 0;
-	hw->rate_max = UINT_MAX;
+	/* first calculate min/max only for CODECs in the DAI link */
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai_drv = rtd->codec_dais[i]->driver;
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			codec_stream = &codec_dai_drv->playback;
+		else
+			codec_stream = &codec_dai_drv->capture;
+		chan_min = max(chan_min, codec_stream->channels_min);
+		chan_max = min(chan_max, codec_stream->channels_max);
+		rate_min = max(rate_min, codec_stream->rate_min);
+		rate_max = min_not_zero(rate_max, codec_stream->rate_max);
+		formats &= codec_stream->formats;
+		rates = snd_pcm_rate_mask_intersect(codec_stream->rates, rates);
+	}
+
+	/*
+	 * chan min/max cannot be enforced if there are multiple CODEC DAIs
+	 * connected to a single CPU DAI, use CPU DAI's directly and let
+	 * channel allocation be fixed up later
+	 */
+	if (rtd->num_codecs > 1) {
+		chan_min = cpu_stream->channels_min;
+		chan_max = cpu_stream->channels_max;
+	}
+
+	hw->channels_min = max(chan_min, cpu_stream->channels_min);
+	hw->channels_max = min(chan_max, cpu_stream->channels_max);
+	if (hw->formats)
+		hw->formats &= formats & cpu_stream->formats;
+	else
+		hw->formats = formats & cpu_stream->formats;
+	hw->rates = snd_pcm_rate_mask_intersect(rates, cpu_stream->rates);
 
 	snd_pcm_limit_hw_rates(runtime);
 
 	hw->rate_min = max(hw->rate_min, cpu_stream->rate_min);
-	hw->rate_min = max(hw->rate_min, codec_stream->rate_min);
+	hw->rate_min = max(hw->rate_min, rate_min);
 	hw->rate_max = min_not_zero(hw->rate_max, cpu_stream->rate_max);
-	hw->rate_max = min_not_zero(hw->rate_max, codec_stream->rate_max);
+	hw->rate_max = min_not_zero(hw->rate_max, rate_max);
 }
 
 /*
@@ -349,15 +437,16 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
-	struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver;
-	int ret = 0;
+	struct snd_soc_dai *codec_dai;
+	const char *codec_dai_name = "multicodec";
+	int i, ret = 0;
 
 	pinctrl_pm_select_default_state(cpu_dai->dev);
-	pinctrl_pm_select_default_state(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++)
+		pinctrl_pm_select_default_state(rtd->codec_dais[i]->dev);
 	pm_runtime_get_sync(cpu_dai->dev);
-	pm_runtime_get_sync(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++)
+		pm_runtime_get_sync(rtd->codec_dais[i]->dev);
 	pm_runtime_get_sync(platform->dev);
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
@@ -376,18 +465,28 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 		ret = platform->driver->ops->open(substream);
 		if (ret < 0) {
 			dev_err(platform->dev, "ASoC: can't open platform"
-				" %s: %d\n", platform->name, ret);
+				" %s: %d\n", platform->component.name, ret);
 			goto platform_err;
 		}
 	}
 
-	if (codec_dai->driver->ops && codec_dai->driver->ops->startup) {
-		ret = codec_dai->driver->ops->startup(substream, codec_dai);
-		if (ret < 0) {
-			dev_err(codec_dai->dev, "ASoC: can't open codec"
-				" %s: %d\n", codec_dai->name, ret);
-			goto codec_dai_err;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->startup) {
+			ret = codec_dai->driver->ops->startup(substream,
+							      codec_dai);
+			if (ret < 0) {
+				dev_err(codec_dai->dev,
+					"ASoC: can't open codec %s: %d\n",
+					codec_dai->name, ret);
+				goto codec_dai_err;
+			}
 		}
+
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			codec_dai->tx_mask = 0;
+		else
+			codec_dai->rx_mask = 0;
 	}
 
 	if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
@@ -404,13 +503,10 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 		goto dynamic;
 
 	/* Check that the codec and cpu DAIs are compatible */
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		soc_pcm_init_runtime_hw(runtime, &codec_dai_drv->playback,
-			&cpu_dai_drv->playback);
-	} else {
-		soc_pcm_init_runtime_hw(runtime, &codec_dai_drv->capture,
-			&cpu_dai_drv->capture);
-	}
+	soc_pcm_init_runtime_hw(substream);
+
+	if (rtd->num_codecs == 1)
+		codec_dai_name = rtd->codec_dai->name;
 
 	if (soc_pcm_has_symmetry(substream))
 		runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX;
@@ -418,23 +514,22 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	ret = -EINVAL;
 	if (!runtime->hw.rates) {
 		printk(KERN_ERR "ASoC: %s <-> %s No matching rates\n",
-			codec_dai->name, cpu_dai->name);
+			codec_dai_name, cpu_dai->name);
 		goto config_err;
 	}
 	if (!runtime->hw.formats) {
 		printk(KERN_ERR "ASoC: %s <-> %s No matching formats\n",
-			codec_dai->name, cpu_dai->name);
+			codec_dai_name, cpu_dai->name);
 		goto config_err;
 	}
 	if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
 	    runtime->hw.channels_min > runtime->hw.channels_max) {
 		printk(KERN_ERR "ASoC: %s <-> %s No matching channels\n",
-				codec_dai->name, cpu_dai->name);
+				codec_dai_name, cpu_dai->name);
 		goto config_err;
 	}
 
-	soc_pcm_apply_msb(substream, codec_dai);
-	soc_pcm_apply_msb(substream, cpu_dai);
+	soc_pcm_apply_msb(substream);
 
 	/* Symmetry only applies if we've already got an active stream. */
 	if (cpu_dai->active) {
@@ -443,14 +538,17 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 			goto config_err;
 	}
 
-	if (codec_dai->active) {
-		ret = soc_pcm_apply_symmetry(substream, codec_dai);
-		if (ret != 0)
-			goto config_err;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if (rtd->codec_dais[i]->active) {
+			ret = soc_pcm_apply_symmetry(substream,
+						     rtd->codec_dais[i]);
+			if (ret != 0)
+				goto config_err;
+		}
 	}
 
 	pr_debug("ASoC: %s <-> %s info:\n",
-			codec_dai->name, cpu_dai->name);
+			codec_dai_name, cpu_dai->name);
 	pr_debug("ASoC: rate mask 0x%x\n", runtime->hw.rates);
 	pr_debug("ASoC: min ch %d max ch %d\n", runtime->hw.channels_min,
 		 runtime->hw.channels_max);
@@ -469,10 +567,15 @@ config_err:
 		rtd->dai_link->ops->shutdown(substream);
 
 machine_err:
-	if (codec_dai->driver->ops->shutdown)
-		codec_dai->driver->ops->shutdown(substream, codec_dai);
+	i = rtd->num_codecs;
 
 codec_dai_err:
+	while (--i >= 0) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops->shutdown)
+			codec_dai->driver->ops->shutdown(substream, codec_dai);
+	}
+
 	if (platform->driver->ops && platform->driver->ops->close)
 		platform->driver->ops->close(substream);
 
@@ -483,10 +586,13 @@ out:
 	mutex_unlock(&rtd->pcm_mutex);
 
 	pm_runtime_put(platform->dev);
-	pm_runtime_put(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++)
+		pm_runtime_put(rtd->codec_dais[i]->dev);
 	pm_runtime_put(cpu_dai->dev);
-	if (!codec_dai->active)
-		pinctrl_pm_select_sleep_state(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if (!rtd->codec_dais[i]->active)
+			pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);
+	}
 	if (!cpu_dai->active)
 		pinctrl_pm_select_sleep_state(cpu_dai->dev);
 
@@ -502,7 +608,7 @@ static void close_delayed_work(struct work_struct *work)
 {
 	struct snd_soc_pcm_runtime *rtd =
 			container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *codec_dai = rtd->codec_dais[0];
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
@@ -531,7 +637,8 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *codec_dai;
+	int i;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
@@ -541,14 +648,20 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 	if (!cpu_dai->active)
 		cpu_dai->rate = 0;
 
-	if (!codec_dai->active)
-		codec_dai->rate = 0;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (!codec_dai->active)
+			codec_dai->rate = 0;
+	}
 
 	if (cpu_dai->driver->ops->shutdown)
 		cpu_dai->driver->ops->shutdown(substream, cpu_dai);
 
-	if (codec_dai->driver->ops->shutdown)
-		codec_dai->driver->ops->shutdown(substream, codec_dai);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops->shutdown)
+			codec_dai->driver->ops->shutdown(substream, codec_dai);
+	}
 
 	if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
 		rtd->dai_link->ops->shutdown(substream);
@@ -578,10 +691,13 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 	mutex_unlock(&rtd->pcm_mutex);
 
 	pm_runtime_put(platform->dev);
-	pm_runtime_put(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++)
+		pm_runtime_put(rtd->codec_dais[i]->dev);
 	pm_runtime_put(cpu_dai->dev);
-	if (!codec_dai->active)
-		pinctrl_pm_select_sleep_state(codec_dai->dev);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if (!rtd->codec_dais[i]->active)
+			pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);
+	}
 	if (!cpu_dai->active)
 		pinctrl_pm_select_sleep_state(cpu_dai->dev);
 
@@ -598,8 +714,8 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret = 0;
+	struct snd_soc_dai *codec_dai;
+	int i, ret = 0;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
@@ -621,12 +737,16 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 		}
 	}
 
-	if (codec_dai->driver->ops && codec_dai->driver->ops->prepare) {
-		ret = codec_dai->driver->ops->prepare(substream, codec_dai);
-		if (ret < 0) {
-			dev_err(codec_dai->dev, "ASoC: DAI prepare error: %d\n",
-				ret);
-			goto out;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->prepare) {
+			ret = codec_dai->driver->ops->prepare(substream,
+							      codec_dai);
+			if (ret < 0) {
+				dev_err(codec_dai->dev,
+					"ASoC: DAI prepare error: %d\n", ret);
+				goto out;
+			}
 		}
 	}
 
@@ -649,13 +769,44 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	snd_soc_dapm_stream_event(rtd, substream->stream,
 			SND_SOC_DAPM_STREAM_START);
 
-	snd_soc_dai_digital_mute(codec_dai, 0, substream->stream);
+	for (i = 0; i < rtd->num_codecs; i++)
+		snd_soc_dai_digital_mute(rtd->codec_dais[i], 0,
+					 substream->stream);
 
 out:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
 
+static void soc_pcm_codec_params_fixup(struct snd_pcm_hw_params *params,
+				       unsigned int mask)
+{
+	struct snd_interval *interval;
+	int channels = hweight_long(mask);
+
+	interval = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+	interval->min = channels;
+	interval->max = channels;
+}
+
+int soc_dai_hw_params(struct snd_pcm_substream *substream,
+		      struct snd_pcm_hw_params *params,
+		      struct snd_soc_dai *dai)
+{
+	int ret;
+
+	if (dai->driver->ops && dai->driver->ops->hw_params) {
+		ret = dai->driver->ops->hw_params(substream, params, dai);
+		if (ret < 0) {
+			dev_err(dai->dev, "ASoC: can't set %s hw params: %d\n",
+				dai->name, ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
 /*
  * Called by ALSA when the hardware params are set by application. This
  * function can also be called multiple times and can allocate buffers
@@ -667,8 +818,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret = 0;
+	int i, ret = 0;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
@@ -685,29 +835,40 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 		}
 	}
 
-	if (codec_dai->driver->ops && codec_dai->driver->ops->hw_params) {
-		ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
-		if (ret < 0) {
-			dev_err(codec_dai->dev, "ASoC: can't set %s hw params:"
-				" %d\n", codec_dai->name, ret);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+		struct snd_pcm_hw_params codec_params;
+
+		/* copy params for each codec */
+		codec_params = *params;
+
+		/* fixup params based on TDM slot masks */
+		if (codec_dai->tx_mask)
+			soc_pcm_codec_params_fixup(&codec_params,
+						   codec_dai->tx_mask);
+		if (codec_dai->rx_mask)
+			soc_pcm_codec_params_fixup(&codec_params,
+						   codec_dai->rx_mask);
+
+		ret = soc_dai_hw_params(substream, &codec_params, codec_dai);
+		if(ret < 0)
 			goto codec_err;
-		}
-	}
 
-	if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_params) {
-		ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
-		if (ret < 0) {
-			dev_err(cpu_dai->dev, "ASoC: %s hw params failed: %d\n",
-				cpu_dai->name, ret);
-			goto interface_err;
-		}
+		codec_dai->rate = params_rate(&codec_params);
+		codec_dai->channels = params_channels(&codec_params);
+		codec_dai->sample_bits = snd_pcm_format_physical_width(
+						params_format(&codec_params));
 	}
 
+	ret = soc_dai_hw_params(substream, params, cpu_dai);
+	if (ret < 0)
+		goto interface_err;
+
 	if (platform->driver->ops && platform->driver->ops->hw_params) {
 		ret = platform->driver->ops->hw_params(substream, params);
 		if (ret < 0) {
 			dev_err(platform->dev, "ASoC: %s hw params failed: %d\n",
-			       platform->name, ret);
+			       platform->component.name, ret);
 			goto platform_err;
 		}
 	}
@@ -718,11 +879,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	cpu_dai->sample_bits =
 		snd_pcm_format_physical_width(params_format(params));
 
-	codec_dai->rate = params_rate(params);
-	codec_dai->channels = params_channels(params);
-	codec_dai->sample_bits =
-		snd_pcm_format_physical_width(params_format(params));
-
 out:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
@@ -732,10 +888,16 @@ platform_err:
 		cpu_dai->driver->ops->hw_free(substream, cpu_dai);
 
 interface_err:
-	if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
-		codec_dai->driver->ops->hw_free(substream, codec_dai);
+	i = rtd->num_codecs;
 
 codec_err:
+	while (--i >= 0) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
+			codec_dai->driver->ops->hw_free(substream, codec_dai);
+		codec_dai->rate = 0;
+	}
+
 	if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
 		rtd->dai_link->ops->hw_free(substream);
 
@@ -751,8 +913,9 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *codec_dai;
 	bool playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+	int i;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
@@ -763,16 +926,22 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 		cpu_dai->sample_bits = 0;
 	}
 
-	if (codec_dai->active == 1) {
-		codec_dai->rate = 0;
-		codec_dai->channels = 0;
-		codec_dai->sample_bits = 0;
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->active == 1) {
+			codec_dai->rate = 0;
+			codec_dai->channels = 0;
+			codec_dai->sample_bits = 0;
+		}
 	}
 
 	/* apply codec digital mute */
-	if ((playback && codec_dai->playback_active == 1) ||
-	    (!playback && codec_dai->capture_active == 1))
-		snd_soc_dai_digital_mute(codec_dai, 1, substream->stream);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		if ((playback && rtd->codec_dais[i]->playback_active == 1) ||
+		    (!playback && rtd->codec_dais[i]->capture_active == 1))
+			snd_soc_dai_digital_mute(rtd->codec_dais[i], 1,
+						 substream->stream);
+	}
 
 	/* free any machine hw params */
 	if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
@@ -783,8 +952,11 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 		platform->driver->ops->hw_free(substream);
 
 	/* now free hw params for the DAIs  */
-	if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
-		codec_dai->driver->ops->hw_free(substream, codec_dai);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
+			codec_dai->driver->ops->hw_free(substream, codec_dai);
+	}
 
 	if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_free)
 		cpu_dai->driver->ops->hw_free(substream, cpu_dai);
@@ -798,13 +970,17 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret;
-
-	if (codec_dai->driver->ops && codec_dai->driver->ops->trigger) {
-		ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
-		if (ret < 0)
-			return ret;
+	struct snd_soc_dai *codec_dai;
+	int i, ret;
+
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->trigger) {
+			ret = codec_dai->driver->ops->trigger(substream,
+							      cmd, codec_dai);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	if (platform->driver->ops && platform->driver->ops->trigger) {
@@ -834,14 +1010,18 @@ static int soc_pcm_bespoke_trigger(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret;
-
-	if (codec_dai->driver->ops &&
-	    codec_dai->driver->ops->bespoke_trigger) {
-		ret = codec_dai->driver->ops->bespoke_trigger(substream, cmd, codec_dai);
-		if (ret < 0)
-			return ret;
+	struct snd_soc_dai *codec_dai;
+	int i, ret;
+
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops &&
+		    codec_dai->driver->ops->bespoke_trigger) {
+			ret = codec_dai->driver->ops->bespoke_trigger(substream,
+								cmd, codec_dai);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	if (platform->driver->bespoke_trigger) {
@@ -867,10 +1047,12 @@ static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *codec_dai;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_uframes_t offset = 0;
 	snd_pcm_sframes_t delay = 0;
+	snd_pcm_sframes_t codec_delay = 0;
+	int i;
 
 	if (platform->driver->ops && platform->driver->ops->pointer)
 		offset = platform->driver->ops->pointer(substream);
@@ -878,11 +1060,21 @@ static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
 	if (cpu_dai->driver->ops && cpu_dai->driver->ops->delay)
 		delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
 
-	if (codec_dai->driver->ops && codec_dai->driver->ops->delay)
-		delay += codec_dai->driver->ops->delay(substream, codec_dai);
+	for (i = 0; i < rtd->num_codecs; i++) {
+		codec_dai = rtd->codec_dais[i];
+		if (codec_dai->driver->ops && codec_dai->driver->ops->delay)
+			codec_delay = max(codec_delay,
+					codec_dai->driver->ops->delay(substream,
+								    codec_dai));
+	}
+	delay += codec_delay;
 
+	/*
+	 * None of the existing platform drivers implement delay(), so
+	 * for now the codec_dai of first multicodec entry is used
+	 */
 	if (platform->driver->delay)
-		delay += platform->driver->delay(substream, codec_dai);
+		delay += platform->driver->delay(substream, rtd->codec_dais[0]);
 
 	runtime->delay = delay;
 
@@ -985,7 +1177,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 		struct snd_soc_dapm_widget *widget, int stream)
 {
 	struct snd_soc_pcm_runtime *be;
-	int i;
+	int i, j;
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		for (i = 0; i < card->num_links; i++) {
@@ -994,9 +1186,14 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 			if (!be->dai_link->no_pcm)
 				continue;
 
-			if (be->cpu_dai->playback_widget == widget ||
-				be->codec_dai->playback_widget == widget)
+			if (be->cpu_dai->playback_widget == widget)
 				return be;
+
+			for (j = 0; j < be->num_codecs; j++) {
+				struct snd_soc_dai *dai = be->codec_dais[j];
+				if (dai->playback_widget == widget)
+					return be;
+			}
 		}
 	} else {
 
@@ -1006,9 +1203,14 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 			if (!be->dai_link->no_pcm)
 				continue;
 
-			if (be->cpu_dai->capture_widget == widget ||
-				be->codec_dai->capture_widget == widget)
+			if (be->cpu_dai->capture_widget == widget)
 				return be;
+
+			for (j = 0; j < be->num_codecs; j++) {
+				struct snd_soc_dai *dai = be->codec_dais[j];
+				if (dai->capture_widget == widget)
+					return be;
+			}
 		}
 	}
 
@@ -1071,6 +1273,7 @@ static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
 
 	/* Destroy any old FE <--> BE connections */
 	list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+		unsigned int i;
 
 		/* is there a valid CPU DAI widget for this BE */
 		widget = dai_get_widget(dpcm->be->cpu_dai, stream);
@@ -1080,11 +1283,14 @@ static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
 			continue;
 
 		/* is there a valid CODEC DAI widget for this BE */
-		widget = dai_get_widget(dpcm->be->codec_dai, stream);
+		for (i = 0; i < dpcm->be->num_codecs; i++) {
+			struct snd_soc_dai *dai = dpcm->be->codec_dais[i];
+			widget = dai_get_widget(dai, stream);
 
-		/* prune the BE if it's no longer in our active list */
-		if (widget && widget_in_list(list, widget))
-			continue;
+			/* prune the BE if it's no longer in our active list */
+			if (widget && widget_in_list(list, widget))
+				continue;
+		}
 
 		dev_dbg(fe->dev, "ASoC: pruning %s BE %s for %s\n",
 			stream ? "capture" : "playback",
@@ -2114,16 +2320,22 @@ int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute)
 	list_for_each_entry(dpcm, clients, list_be) {
 
 		struct snd_soc_pcm_runtime *be = dpcm->be;
-		struct snd_soc_dai *dai = be->codec_dai;
-		struct snd_soc_dai_driver *drv = dai->driver;
+		int i;
 
 		if (be->dai_link->ignore_suspend)
 			continue;
 
-		dev_dbg(be->dev, "ASoC: BE digital mute %s\n", be->dai_link->name);
+		for (i = 0; i < be->num_codecs; i++) {
+			struct snd_soc_dai *dai = be->codec_dais[i];
+			struct snd_soc_dai_driver *drv = dai->driver;
+
+			dev_dbg(be->dev, "ASoC: BE digital mute %s\n",
+					 be->dai_link->name);
 
-		if (drv->ops && drv->ops->digital_mute && dai->playback_active)
-			drv->ops->digital_mute(dai, mute);
+			if (drv->ops && drv->ops->digital_mute &&
+							dai->playback_active)
+				drv->ops->digital_mute(dai, mute);
+		}
 	}
 
 	return 0;
@@ -2188,22 +2400,27 @@ static int dpcm_fe_dai_close(struct snd_pcm_substream *fe_substream)
 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 {
 	struct snd_soc_platform *platform = rtd->platform;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *codec_dai;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_pcm *pcm;
 	char new_name[64];
 	int ret = 0, playback = 0, capture = 0;
+	int i;
 
 	if (rtd->dai_link->dynamic || rtd->dai_link->no_pcm) {
 		playback = rtd->dai_link->dpcm_playback;
 		capture = rtd->dai_link->dpcm_capture;
 	} else {
-		if (codec_dai->driver->playback.channels_min &&
-		    cpu_dai->driver->playback.channels_min)
-			playback = 1;
-		if (codec_dai->driver->capture.channels_min &&
-		    cpu_dai->driver->capture.channels_min)
-			capture = 1;
+		for (i = 0; i < rtd->num_codecs; i++) {
+			codec_dai = rtd->codec_dais[i];
+			if (codec_dai->driver->playback.channels_min)
+				playback = 1;
+			if (codec_dai->driver->capture.channels_min)
+				capture = 1;
+		}
+
+		capture = capture && cpu_dai->driver->capture.channels_min;
+		playback = playback && cpu_dai->driver->playback.channels_min;
 	}
 
 	if (rtd->dai_link->playback_only) {
@@ -2229,7 +2446,9 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 				rtd->dai_link->stream_name);
 		else
 			snprintf(new_name, sizeof(new_name), "%s %s-%d",
-				rtd->dai_link->stream_name, codec_dai->name, num);
+				rtd->dai_link->stream_name,
+				(rtd->num_codecs > 1) ?
+				"multicodec" : rtd->codec_dai->name, num);
 
 		ret = snd_pcm_new(rtd->card->snd_card, new_name, num, playback,
 			capture, &pcm);
@@ -2302,8 +2521,9 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 
 	pcm->private_free = platform->driver->pcm_free;
 out:
-	dev_info(rtd->card->dev, "%s <-> %s mapping ok\n", codec_dai->name,
-		cpu_dai->name);
+	dev_info(rtd->card->dev, "%s <-> %s mapping ok\n",
+		 (rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name,
+		 cpu_dai->name);
 	return ret;
 }
 

sound/soc/tegra/tegra_alc5632.c

@@ -41,8 +41,7 @@ static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;
@@ -105,7 +104,7 @@ static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_codec *codec = codec_dai->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
+	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
 
 	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
 			 &tegra_alc5632_hs_jack);

sound/soc/tegra/tegra_max98090.c

@@ -49,8 +49,7 @@ static int tegra_max98090_asoc_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_max98090 *machine = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;
@@ -127,7 +126,7 @@ static int tegra_max98090_asoc_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_codec *codec = codec_dai->codec;
-	struct tegra_max98090 *machine = snd_soc_card_get_drvdata(codec->card);
+	struct tegra_max98090 *machine = snd_soc_card_get_drvdata(rtd->card);
 
 	if (gpio_is_valid(machine->gpio_hp_det)) {
 		snd_soc_jack_new(codec, "Headphones", SND_JACK_HEADPHONE,

sound/soc/tegra/tegra_rt5640.c

@@ -51,8 +51,7 @@ static int tegra_rt5640_asoc_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_rt5640 *machine = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;
@@ -110,7 +109,7 @@ static int tegra_rt5640_asoc_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_codec *codec = codec_dai->codec;
-	struct tegra_rt5640 *machine = snd_soc_card_get_drvdata(codec->card);
+	struct tegra_rt5640 *machine = snd_soc_card_get_drvdata(rtd->card);
 
 	snd_soc_jack_new(codec, "Headphones", SND_JACK_HEADPHONE,
 			 &tegra_rt5640_hp_jack);

sound/soc/tegra/tegra_wm8753.c

@@ -55,8 +55,7 @@ static int tegra_wm8753_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;

sound/soc/tegra/tegra_wm8903.c

@@ -60,8 +60,7 @@ static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;
@@ -173,7 +172,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_codec *codec = codec_dai->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
 
 	if (gpio_is_valid(machine->gpio_hp_det)) {

sound/soc/tegra/trimslice.c

@@ -50,8 +50,7 @@ static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct snd_soc_card *card = codec->card;
+	struct snd_soc_card *card = rtd->card;
 	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
 	int srate, mclk;
 	int err;