ASoC: sti-sas: clean legacy in sti-sas

stih416 is no more supported, clean associated code.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/sti-sas.c

@@ -14,28 +14,8 @@
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 
-/* chipID supported */
-#define CHIPID_STIH416 0
-#define CHIPID_STIH407 1
-
 /* DAC definitions */
 
-/* stih416 DAC registers */
-/* sysconf 2517: Audio-DAC-Control */
-#define STIH416_AUDIO_DAC_CTRL 0x00000814
-/* sysconf 2519: Audio-Gue-Control */
-#define STIH416_AUDIO_GLUE_CTRL 0x0000081C
-
-#define STIH416_DAC_NOT_STANDBY	0x3
-#define STIH416_DAC_SOFTMUTE	0x4
-#define STIH416_DAC_ANA_NOT_PWR	0x5
-#define STIH416_DAC_NOT_PNDBG	0x6
-
-#define STIH416_DAC_NOT_STANDBY_MASK	BIT(STIH416_DAC_NOT_STANDBY)
-#define STIH416_DAC_SOFTMUTE_MASK	BIT(STIH416_DAC_SOFTMUTE)
-#define STIH416_DAC_ANA_NOT_PWR_MASK	BIT(STIH416_DAC_ANA_NOT_PWR)
-#define STIH416_DAC_NOT_PNDBG_MASK	BIT(STIH416_DAC_NOT_PNDBG)
-
 /* stih407 DAC registers */
 /* sysconf 5041: Audio-Gue-Control */
 #define STIH407_AUDIO_GLUE_CTRL 0x000000A4
@@ -63,14 +43,9 @@ enum {
 	STI_SAS_DAI_ANALOG_OUT,
 };
 
-static const struct reg_default stih416_sas_reg_defaults[] = {
-	{ STIH407_AUDIO_GLUE_CTRL, 0x00000040 },
-	{ STIH407_AUDIO_DAC_CTRL, 0x000000000 },
-};
-
 static const struct reg_default stih407_sas_reg_defaults[] = {
-	{ STIH416_AUDIO_DAC_CTRL, 0x000000000 },
-	{ STIH416_AUDIO_GLUE_CTRL, 0x00000040 },
+	{ STIH407_AUDIO_DAC_CTRL, 0x000000000 },
+	{ STIH407_AUDIO_GLUE_CTRL, 0x00000040 },
 };
 
 struct sti_dac_audio {
@@ -89,7 +64,6 @@ struct sti_spdif_audio {
 
 /* device data structure */
 struct sti_sas_dev_data {
-	const int chipid; /* IC version */
 	const struct regmap_config *regmap;
 	const struct snd_soc_dai_ops *dac_ops;  /* DAC function callbacks */
 	const struct snd_soc_dapm_widget *dapm_widgets; /* dapms declaration */
@@ -155,43 +129,19 @@ static int  sti_sas_init_sas_registers(struct snd_soc_codec *codec,
 	}
 
 	/* Init DAC configuration */
-	switch (data->dev_data->chipid) {
-	case CHIPID_STIH407:
-		/* init configuration */
-		ret =  snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
-					   STIH407_DAC_STANDBY_MASK,
-					   STIH407_DAC_STANDBY_MASK);
-
-		if (!ret)
-			ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
-						  STIH407_DAC_STANDBY_ANA_MASK,
-						  STIH407_DAC_STANDBY_ANA_MASK);
-		if (!ret)
-			ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
-						  STIH407_DAC_SOFTMUTE_MASK,
-						  STIH407_DAC_SOFTMUTE_MASK);
-		break;
-	case CHIPID_STIH416:
-		ret =  snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
-					   STIH416_DAC_NOT_STANDBY_MASK, 0);
-		if (!ret)
-			ret =  snd_soc_update_bits(codec,
-						   STIH416_AUDIO_DAC_CTRL,
-						   STIH416_DAC_ANA_NOT_PWR, 0);
-		if (!ret)
-			ret =  snd_soc_update_bits(codec,
-						   STIH416_AUDIO_DAC_CTRL,
-						   STIH416_DAC_NOT_PNDBG_MASK,
-						   0);
-		if (!ret)
-			ret =  snd_soc_update_bits(codec,
-						   STIH416_AUDIO_DAC_CTRL,
-						   STIH416_DAC_SOFTMUTE_MASK,
-						   STIH416_DAC_SOFTMUTE_MASK);
-		break;
-	default:
-		return -EINVAL;
-	}
+	/* init configuration */
+	ret =  snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+				   STIH407_DAC_STANDBY_MASK,
+				   STIH407_DAC_STANDBY_MASK);
+
+	if (!ret)
+		ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+					  STIH407_DAC_STANDBY_ANA_MASK,
+					  STIH407_DAC_STANDBY_ANA_MASK);
+	if (!ret)
+		ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+					  STIH407_DAC_SOFTMUTE_MASK,
+					  STIH407_DAC_SOFTMUTE_MASK);
 
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to update DAC registers");
@@ -217,37 +167,6 @@ static int sti_sas_dac_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	return 0;
 }
 
-static int stih416_dac_probe(struct snd_soc_dai *dai)
-{
-	struct snd_soc_codec *codec = dai->codec;
-	struct sti_sas_data *drvdata = dev_get_drvdata(codec->dev);
-	struct sti_dac_audio *dac = &drvdata->dac;
-
-	/* Get reset control */
-	dac->rst = devm_reset_control_get(codec->dev, "dac_rst");
-	if (IS_ERR(dac->rst)) {
-		dev_err(dai->codec->dev,
-			"%s: ERROR: DAC reset control not defined !\n",
-			__func__);
-		dac->rst = NULL;
-		return -EFAULT;
-	}
-	/* Put the DAC into reset */
-	reset_control_assert(dac->rst);
-
-	return 0;
-}
-
-static const struct snd_soc_dapm_widget stih416_sas_dapm_widgets[] = {
-	SND_SOC_DAPM_PGA("DAC bandgap", STIH416_AUDIO_DAC_CTRL,
-			 STIH416_DAC_NOT_PNDBG_MASK, 0, NULL, 0),
-	SND_SOC_DAPM_OUT_DRV("DAC standby ana", STIH416_AUDIO_DAC_CTRL,
-			     STIH416_DAC_ANA_NOT_PWR, 0, NULL, 0),
-	SND_SOC_DAPM_DAC("DAC standby",  "dac_p", STIH416_AUDIO_DAC_CTRL,
-			 STIH416_DAC_NOT_STANDBY, 0),
-	SND_SOC_DAPM_OUTPUT("DAC Output"),
-};
-
 static const struct snd_soc_dapm_widget stih407_sas_dapm_widgets[] = {
 	SND_SOC_DAPM_OUT_DRV("DAC standby ana", STIH407_AUDIO_DAC_CTRL,
 			     STIH407_DAC_STANDBY_ANA, 1, NULL, 0),
@@ -256,30 +175,11 @@ static const struct snd_soc_dapm_widget stih407_sas_dapm_widgets[] = {
 	SND_SOC_DAPM_OUTPUT("DAC Output"),
 };
 
-static const struct snd_soc_dapm_route stih416_sas_route[] = {
-	{"DAC Output", NULL, "DAC bandgap"},
-	{"DAC Output", NULL, "DAC standby ana"},
-	{"DAC standby ana", NULL, "DAC standby"},
-};
-
 static const struct snd_soc_dapm_route stih407_sas_route[] = {
 	{"DAC Output", NULL, "DAC standby ana"},
 	{"DAC standby ana", NULL, "DAC standby"},
 };
 
-static int stih416_sas_dac_mute(struct snd_soc_dai *dai, int mute, int stream)
-{
-	struct snd_soc_codec *codec = dai->codec;
-
-	if (mute) {
-		return snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
-					    STIH416_DAC_SOFTMUTE_MASK,
-					    STIH416_DAC_SOFTMUTE_MASK);
-	} else {
-		return snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
-					    STIH416_DAC_SOFTMUTE_MASK, 0);
-	}
-}
 
 static int stih407_sas_dac_mute(struct snd_soc_dai *dai, int mute, int stream)
 {
@@ -407,13 +307,6 @@ static int sti_sas_prepare(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static const struct snd_soc_dai_ops stih416_dac_ops = {
-	.set_fmt = sti_sas_dac_set_fmt,
-	.mute_stream = stih416_sas_dac_mute,
-	.prepare = sti_sas_prepare,
-	.set_sysclk = sti_sas_set_sysclk,
-};
-
 static const struct snd_soc_dai_ops stih407_dac_ops = {
 	.set_fmt = sti_sas_dac_set_fmt,
 	.mute_stream = stih407_sas_dac_mute,
@@ -434,31 +327,7 @@ static const struct regmap_config stih407_sas_regmap = {
 	.reg_write = sti_sas_write_reg,
 };
 
-static const struct regmap_config stih416_sas_regmap = {
-	.reg_bits = 32,
-	.val_bits = 32,
-
-	.max_register = STIH416_AUDIO_DAC_CTRL,
-	.reg_defaults = stih416_sas_reg_defaults,
-	.num_reg_defaults = ARRAY_SIZE(stih416_sas_reg_defaults),
-	.volatile_reg = sti_sas_volatile_register,
-	.cache_type = REGCACHE_RBTREE,
-	.reg_read = sti_sas_read_reg,
-	.reg_write = sti_sas_write_reg,
-};
-
-static const struct sti_sas_dev_data stih416_data = {
-	.chipid = CHIPID_STIH416,
-	.regmap = &stih416_sas_regmap,
-	.dac_ops = &stih416_dac_ops,
-	.dapm_widgets = stih416_sas_dapm_widgets,
-	.num_dapm_widgets = ARRAY_SIZE(stih416_sas_dapm_widgets),
-	.dapm_routes =	stih416_sas_route,
-	.num_dapm_routes = ARRAY_SIZE(stih416_sas_route),
-};
-
 static const struct sti_sas_dev_data stih407_data = {
-	.chipid = CHIPID_STIH407,
 	.regmap = &stih407_sas_regmap,
 	.dac_ops = &stih407_dac_ops,
 	.dapm_widgets = stih407_sas_dapm_widgets,
@@ -532,10 +401,6 @@ static struct snd_soc_codec_driver sti_sas_driver = {
 };
 
 static const struct of_device_id sti_sas_dev_match[] = {
-	{
-		.compatible = "st,stih416-sas-codec",
-		.data = &stih416_data,
-	},
 	{
 		.compatible = "st,stih407-sas-codec",
 		.data = &stih407_data,
@@ -584,10 +449,6 @@ static int sti_sas_driver_probe(struct platform_device *pdev)
 	}
 	drvdata->spdif.regmap = drvdata->dac.regmap;
 
-	/* Set DAC dai probe */
-	if (drvdata->dev_data->chipid == CHIPID_STIH416)
-		sti_sas_dai[STI_SAS_DAI_ANALOG_OUT].probe = stih416_dac_probe;
-
 	sti_sas_dai[STI_SAS_DAI_ANALOG_OUT].ops = drvdata->dev_data->dac_ops;
 
 	/* Set dapms*/