Merge tag 'sound-4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A regression fix of HD-audio runtime PM and two USB quirks"

* tag 'sound-4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Manage power well properly for resume
  ALSA: usb-audio: Add quirk for ELP HD USB Camera
  ALSA: usb-audio: Add a sample rate quirk for Creative Live! Cam Socialize HD (VF0610)

sound/pci/hda/hda_intel.c

@@ -906,20 +906,23 @@ static int azx_resume(struct device *dev)
 	struct snd_card *card = dev_get_drvdata(dev);
 	struct azx *chip;
 	struct hda_intel *hda;
+	struct hdac_bus *bus;
 
 	if (!card)
 		return 0;
 
 	chip = card->private_data;
 	hda = container_of(chip, struct hda_intel, chip);
+	bus = azx_bus(chip);
 	if (chip->disabled || hda->init_failed || !chip->running)
 		return 0;
 
-	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
-		&& hda->need_i915_power) {
-		snd_hdac_display_power(azx_bus(chip), true);
-		snd_hdac_i915_set_bclk(azx_bus(chip));
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
+		snd_hdac_display_power(bus, true);
+		if (hda->need_i915_power)
+			snd_hdac_i915_set_bclk(bus);
 	}
+
 	if (chip->msi)
 		if (pci_enable_msi(pci) < 0)
 			chip->msi = 0;
@@ -929,6 +932,11 @@ static int azx_resume(struct device *dev)
 
 	hda_intel_init_chip(chip, true);
 
+	/* power down again for link-controlled chips */
+	if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
+	    !hda->need_i915_power)
+		snd_hdac_display_power(bus, false);
+
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 
 	trace_azx_resume(chip);
@@ -1008,6 +1016,7 @@ static int azx_runtime_resume(struct device *dev)
 
 	chip = card->private_data;
 	hda = container_of(chip, struct hda_intel, chip);
+	bus = azx_bus(chip);
 	if (chip->disabled || hda->init_failed)
 		return 0;
 
@@ -1015,15 +1024,9 @@ static int azx_runtime_resume(struct device *dev)
 		return 0;
 
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
-		bus = azx_bus(chip);
-		if (hda->need_i915_power) {
-			snd_hdac_display_power(bus, true);
+		snd_hdac_display_power(bus, true);
+		if (hda->need_i915_power)
 			snd_hdac_i915_set_bclk(bus);
-		} else {
-			/* toggle codec wakeup bit for STATESTS read */
-			snd_hdac_set_codec_wakeup(bus, true);
-			snd_hdac_set_codec_wakeup(bus, false);
-		}
 	}
 
 	/* Read STATESTS before controller reset */
@@ -1043,6 +1046,11 @@ static int azx_runtime_resume(struct device *dev)
 	azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
 			~STATESTS_INT_MASK);
 
+	/* power down again for link-controlled chips */
+	if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
+	    !hda->need_i915_power)
+		snd_hdac_display_power(bus, false);
+
 	trace_azx_runtime_resume(chip);
 	return 0;
 }

sound/usb/quirks.c

@@ -1128,6 +1128,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 {
 	/* devices which do not support reading the sample rate. */
 	switch (chip->usb_id) {
+	case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
 	case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema  */
 	case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
 	case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
@@ -1138,6 +1139,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 	case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
 	case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
 	case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
+	case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
 	case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
 	case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
 	case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */