Merge tag 'sound-fix-5.18-rc1' of git://git.kernel.org/pub/scm/linux/…

…kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Just a few fixes that have been gathered since the previous pull:

   - An additional fix for potential PCM deadlocks

   - A series of HD-audio CS8409 codec patches for new models

   - Other device specific fixes for HD-audio, ASoC mediatek, Intel,
     fsl, rockchip"

* tag 'sound-fix-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
  ALSA: hda: Avoid unsol event during RPM suspending
  ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020
  ALSA: hda/cs8409: Add new Dolphin HW variants
  ALSA: hda/cs8409: Disable HSBIAS_SENSE_EN for Cyborg
  ALSA: hda/cs8409: Support new Warlock MLK Variants
  ALSA: hda/cs8409: Fix Full Scale Volume setting for all variants
  ALSA: hda/cs8409: Re-order quirk table into ascending order
  ALSA: hda/cs8409: Fix Warlock to use mono mic configuration
  ALSA: cs4236: fix an incorrect NULL check on list iterator
  ALSA: hda/realtek: Enable headset mic on Lenovo P360
  ASoC: SOF: Intel: Fix build error without SND_SOC_SOF_PCI_DEV
  ALSA: hda/realtek: Add mute and micmut LED support for Zbook Fury 17 G9
  ASoC: rockchip: i2s_tdm: Fixup config for SND_SOC_DAIFMT_DSP_A/B
  ASoC: fsl-asoc-card: Fix jack_event() always return 0
  ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs

include/sound/pcm.h

@@ -402,6 +402,7 @@ struct snd_pcm_runtime {
 	struct fasync_struct *fasync;
 	bool stop_operating;		/* sync_stop will be called */
 	struct mutex buffer_mutex;	/* protect for buffer changes */
+	atomic_t buffer_accessing;	/* >0: in r/w operation, <0: blocked */
 
 	/* -- private section -- */
 	void *private_data;

sound/core/pcm.c

@@ -970,6 +970,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 
 	runtime->status->state = SNDRV_PCM_STATE_OPEN;
 	mutex_init(&runtime->buffer_mutex);
+	atomic_set(&runtime->buffer_accessing, 0);
 
 	substream->runtime = runtime;
 	substream->private_data = pcm->private_data;

sound/core/pcm_lib.c

@@ -1906,11 +1906,9 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
 		if (avail >= runtime->twake)
 			break;
 		snd_pcm_stream_unlock_irq(substream);
-		mutex_unlock(&runtime->buffer_mutex);
 
 		tout = schedule_timeout(wait_time);
 
-		mutex_lock(&runtime->buffer_mutex);
 		snd_pcm_stream_lock_irq(substream);
 		set_current_state(TASK_INTERRUPTIBLE);
 		switch (runtime->status->state) {
@@ -2221,7 +2219,6 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
 
 	nonblock = !!(substream->f_flags & O_NONBLOCK);
 
-	mutex_lock(&runtime->buffer_mutex);
 	snd_pcm_stream_lock_irq(substream);
 	err = pcm_accessible_state(runtime);
 	if (err < 0)
@@ -2276,6 +2273,10 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
 			err = -EINVAL;
 			goto _end_unlock;
 		}
+		if (!atomic_inc_unless_negative(&runtime->buffer_accessing)) {
+			err = -EBUSY;
+			goto _end_unlock;
+		}
 		snd_pcm_stream_unlock_irq(substream);
 		if (!is_playback)
 			snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_CPU);
@@ -2284,6 +2285,7 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
 		if (is_playback)
 			snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
 		snd_pcm_stream_lock_irq(substream);
+		atomic_dec(&runtime->buffer_accessing);
 		if (err < 0)
 			goto _end_unlock;
 		err = pcm_accessible_state(runtime);
@@ -2313,7 +2315,6 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
 	if (xfer > 0 && err >= 0)
 		snd_pcm_update_state(substream, runtime);
 	snd_pcm_stream_unlock_irq(substream);
-	mutex_unlock(&runtime->buffer_mutex);
 	return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
 }
 EXPORT_SYMBOL(__snd_pcm_lib_xfer);

sound/core/pcm_native.c

@@ -685,6 +685,24 @@ static int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm,
 	return 0;
 }
 
+/* acquire buffer_mutex; if it's in r/w operation, return -EBUSY, otherwise
+ * block the further r/w operations
+ */
+static int snd_pcm_buffer_access_lock(struct snd_pcm_runtime *runtime)
+{
+	if (!atomic_dec_unless_positive(&runtime->buffer_accessing))
+		return -EBUSY;
+	mutex_lock(&runtime->buffer_mutex);
+	return 0; /* keep buffer_mutex, unlocked by below */
+}
+
+/* release buffer_mutex and clear r/w access flag */
+static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime)
+{
+	mutex_unlock(&runtime->buffer_mutex);
+	atomic_inc(&runtime->buffer_accessing);
+}
+
 #if IS_ENABLED(CONFIG_SND_PCM_OSS)
 #define is_oss_stream(substream)	((substream)->oss.oss)
 #else
@@ -695,14 +713,16 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
 	struct snd_pcm_runtime *runtime;
-	int err = 0, usecs;
+	int err, usecs;
 	unsigned int bits;
 	snd_pcm_uframes_t frames;
 
 	if (PCM_RUNTIME_CHECK(substream))
 		return -ENXIO;
 	runtime = substream->runtime;
-	mutex_lock(&runtime->buffer_mutex);
+	err = snd_pcm_buffer_access_lock(runtime);
+	if (err < 0)
+		return err;
 	snd_pcm_stream_lock_irq(substream);
 	switch (runtime->status->state) {
 	case SNDRV_PCM_STATE_OPEN:
@@ -820,7 +840,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 			snd_pcm_lib_free_pages(substream);
 	}
  unlock:
-	mutex_unlock(&runtime->buffer_mutex);
+	snd_pcm_buffer_access_unlock(runtime);
 	return err;
 }
 
@@ -865,7 +885,9 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
 	if (PCM_RUNTIME_CHECK(substream))
 		return -ENXIO;
 	runtime = substream->runtime;
-	mutex_lock(&runtime->buffer_mutex);
+	result = snd_pcm_buffer_access_lock(runtime);
+	if (result < 0)
+		return result;
 	snd_pcm_stream_lock_irq(substream);
 	switch (runtime->status->state) {
 	case SNDRV_PCM_STATE_SETUP:
@@ -884,7 +906,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
 	snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
 	cpu_latency_qos_remove_request(&substream->latency_pm_qos_req);
  unlock:
-	mutex_unlock(&runtime->buffer_mutex);
+	snd_pcm_buffer_access_unlock(runtime);
 	return result;
 }
 
@@ -1369,12 +1391,15 @@ static int snd_pcm_action_nonatomic(const struct action_ops *ops,
 
 	/* Guarantee the group members won't change during non-atomic action */
 	down_read(&snd_pcm_link_rwsem);
-	mutex_lock(&substream->runtime->buffer_mutex);
+	res = snd_pcm_buffer_access_lock(substream->runtime);
+	if (res < 0)
+		goto unlock;
 	if (snd_pcm_stream_linked(substream))
 		res = snd_pcm_action_group(ops, substream, state, false);
 	else
 		res = snd_pcm_action_single(ops, substream, state);
-	mutex_unlock(&substream->runtime->buffer_mutex);
+	snd_pcm_buffer_access_unlock(substream->runtime);
+ unlock:
 	up_read(&snd_pcm_link_rwsem);
 	return res;
 }

sound/isa/cs423x/cs4236.c

@@ -494,7 +494,7 @@ static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev,
 	static int dev;
 	int err;
 	struct snd_card *card;
-	struct pnp_dev *cdev;
+	struct pnp_dev *cdev, *iter;
 	char cid[PNP_ID_LEN];
 
 	if (pnp_device_is_isapnp(pdev))
@@ -510,9 +510,11 @@ static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev,
 	strcpy(cid, pdev->id[0].id);
 	cid[5] = '1';
 	cdev = NULL;
-	list_for_each_entry(cdev, &(pdev->protocol->devices), protocol_list) {
-		if (!strcmp(cdev->id[0].id, cid))
+	list_for_each_entry(iter, &(pdev->protocol->devices), protocol_list) {
+		if (!strcmp(iter->id[0].id, cid)) {
+			cdev = iter;
 			break;
+		}
 	}
 	err = snd_cs423x_card_new(&pdev->dev, dev, &card);
 	if (err < 0)

sound/pci/hda/patch_cs8409-tables.c

@@ -478,28 +478,29 @@ const struct snd_pci_quirk cs8409_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1028, 0x0A29, "Bullseye", CS8409_BULLSEYE),
 	SND_PCI_QUIRK(0x1028, 0x0A2A, "Bullseye", CS8409_BULLSEYE),
 	SND_PCI_QUIRK(0x1028, 0x0A2B, "Bullseye", CS8409_BULLSEYE),
+	SND_PCI_QUIRK(0x1028, 0x0A77, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A78, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A79, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A7A, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A7D, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A7E, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A7F, "Cyborg", CS8409_CYBORG),
+	SND_PCI_QUIRK(0x1028, 0x0A80, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0AB0, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0AB2, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0AB1, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0AB3, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0AB4, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0AB5, "Warlock", CS8409_WARLOCK),
+	SND_PCI_QUIRK(0x1028, 0x0ACF, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0AD0, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0AD1, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0AD2, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0AD3, "Dolphin", CS8409_DOLPHIN),
 	SND_PCI_QUIRK(0x1028, 0x0AD9, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0ADA, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0ADB, "Warlock", CS8409_WARLOCK),
 	SND_PCI_QUIRK(0x1028, 0x0ADC, "Warlock", CS8409_WARLOCK),
-	SND_PCI_QUIRK(0x1028, 0x0AF4, "Warlock", CS8409_WARLOCK),
-	SND_PCI_QUIRK(0x1028, 0x0AF5, "Warlock", CS8409_WARLOCK),
-	SND_PCI_QUIRK(0x1028, 0x0BB5, "Warlock N3 15 TGL-U Nuvoton EC", CS8409_WARLOCK),
-	SND_PCI_QUIRK(0x1028, 0x0BB6, "Warlock V3 15 TGL-U Nuvoton EC", CS8409_WARLOCK),
-	SND_PCI_QUIRK(0x1028, 0x0A77, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A78, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A79, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A7A, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A7D, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A7E, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A7F, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0A80, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0ADF, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0AE0, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0AE1, "Cyborg", CS8409_CYBORG),
@@ -512,18 +513,39 @@ const struct snd_pci_quirk cs8409_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1028, 0x0AEE, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0AEF, "Cyborg", CS8409_CYBORG),
 	SND_PCI_QUIRK(0x1028, 0x0AF0, "Cyborg", CS8409_CYBORG),
-	SND_PCI_QUIRK(0x1028, 0x0AD0, "Dolphin", CS8409_DOLPHIN),
-	SND_PCI_QUIRK(0x1028, 0x0AD1, "Dolphin", CS8409_DOLPHIN),
-	SND_PCI_QUIRK(0x1028, 0x0AD2, "Dolphin", CS8409_DOLPHIN),
-	SND_PCI_QUIRK(0x1028, 0x0AD3, "Dolphin", CS8409_DOLPHIN),
-	SND_PCI_QUIRK(0x1028, 0x0ACF, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0AF4, "Warlock", CS8409_WARLOCK),
+	SND_PCI_QUIRK(0x1028, 0x0AF5, "Warlock", CS8409_WARLOCK),
+	SND_PCI_QUIRK(0x1028, 0x0B92, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0B93, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0B94, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0B95, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0B96, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0B97, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0BB2, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BB3, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BB4, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BB5, "Warlock N3 15 TGL-U Nuvoton EC", CS8409_WARLOCK),
+	SND_PCI_QUIRK(0x1028, 0x0BB6, "Warlock V3 15 TGL-U Nuvoton EC", CS8409_WARLOCK),
+	SND_PCI_QUIRK(0x1028, 0x0BB8, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BB9, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0BBA, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BBB, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0BBC, "Warlock MLK", CS8409_WARLOCK_MLK),
+	SND_PCI_QUIRK(0x1028, 0x0BBD, "Warlock MLK Dual Mic", CS8409_WARLOCK_MLK_DUAL_MIC),
+	SND_PCI_QUIRK(0x1028, 0x0BD4, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0BD5, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0BD6, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0BD7, "Dolphin", CS8409_DOLPHIN),
+	SND_PCI_QUIRK(0x1028, 0x0BD8, "Dolphin", CS8409_DOLPHIN),
 	{} /* terminator */
 };
 
 /* Dell Inspiron models with cs8409/cs42l42 */
 const struct hda_model_fixup cs8409_models[] = {
 	{ .id = CS8409_BULLSEYE, .name = "bullseye" },
 	{ .id = CS8409_WARLOCK, .name = "warlock" },
+	{ .id = CS8409_WARLOCK_MLK, .name = "warlock mlk" },
+	{ .id = CS8409_WARLOCK_MLK_DUAL_MIC, .name = "warlock mlk dual mic" },
 	{ .id = CS8409_CYBORG, .name = "cyborg" },
 	{ .id = CS8409_DOLPHIN, .name = "dolphin" },
 	{}
@@ -542,6 +564,18 @@ const struct hda_fixup cs8409_fixups[] = {
 		.chained = true,
 		.chain_id = CS8409_FIXUPS,
 	},
+	[CS8409_WARLOCK_MLK] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = cs8409_cs42l42_pincfgs,
+		.chained = true,
+		.chain_id = CS8409_FIXUPS,
+	},
+	[CS8409_WARLOCK_MLK_DUAL_MIC] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = cs8409_cs42l42_pincfgs,
+		.chained = true,
+		.chain_id = CS8409_FIXUPS,
+	},
 	[CS8409_CYBORG] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = cs8409_cs42l42_pincfgs,

sound/pci/hda/patch_cs8409.c

@@ -733,6 +733,7 @@ static void cs42l42_resume(struct sub_codec *cs42l42)
 		{ 0x130A, 0x00 },
 		{ 0x130F, 0x00 },
 	};
+	int fsv_old, fsv_new;
 
 	/* Bring CS42L42 out of Reset */
 	gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0);
@@ -749,8 +750,13 @@ static void cs42l42_resume(struct sub_codec *cs42l42)
 	/* Clear interrupts, by reading interrupt status registers */
 	cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs));
 
-	if (cs42l42->full_scale_vol)
-		cs8409_i2c_write(cs42l42, 0x2001, 0x01);
+	fsv_old = cs8409_i2c_read(cs42l42, 0x2001);
+	if (cs42l42->full_scale_vol == CS42L42_FULL_SCALE_VOL_0DB)
+		fsv_new = fsv_old & ~CS42L42_FULL_SCALE_VOL_MASK;
+	else
+		fsv_new = fsv_old & CS42L42_FULL_SCALE_VOL_MASK;
+	if (fsv_new != fsv_old)
+		cs8409_i2c_write(cs42l42, 0x2001, fsv_new);
 
 	/* we have to explicitly allow unsol event handling even during the
 	 * resume phase so that the jack event is processed properly
@@ -906,9 +912,15 @@ static void cs8409_cs42l42_hw_init(struct hda_codec *codec)
 			cs8409_vendor_coef_set(codec, seq_bullseye->cir, seq_bullseye->coeff);
 	}
 
-	/* DMIC1_MO=00b, DMIC1/2_SR=1 */
-	if (codec->fixup_id == CS8409_WARLOCK || codec->fixup_id == CS8409_CYBORG)
-		cs8409_vendor_coef_set(codec, 0x09, 0x0003);
+	switch (codec->fixup_id) {
+	case CS8409_CYBORG:
+	case CS8409_WARLOCK_MLK_DUAL_MIC:
+		/* DMIC1_MO=00b, DMIC1/2_SR=1 */
+		cs8409_vendor_coef_set(codec, CS8409_DMIC_CFG, 0x0003);
+		break;
+	default:
+		break;
+	}
 
 	cs42l42_resume(cs42l42);
 
@@ -993,25 +1005,17 @@ void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix,
 		cs8409_fix_caps(codec, CS8409_CS42L42_HP_PIN_NID);
 		cs8409_fix_caps(codec, CS8409_CS42L42_AMIC_PIN_NID);
 
-		/* Set TIP_SENSE_EN for analog front-end of tip sense.
-		 * Additionally set HSBIAS_SENSE_EN and Full Scale volume for some variants.
-		 */
+		/* Set HSBIAS_SENSE_EN and Full Scale volume for some variants. */
 		switch (codec->fixup_id) {
-		case CS8409_WARLOCK:
+		case CS8409_WARLOCK_MLK:
+		case CS8409_WARLOCK_MLK_DUAL_MIC:
 			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020;
-			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
-			break;
-		case CS8409_BULLSEYE:
-			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020;
-			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 0;
-			break;
-		case CS8409_CYBORG:
-			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x00a0;
-			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
+			spec->scodecs[CS8409_CODEC0]->full_scale_vol = CS42L42_FULL_SCALE_VOL_0DB;
 			break;
 		default:
-			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0003;
-			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
+			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020;
+			spec->scodecs[CS8409_CODEC0]->full_scale_vol =
+				CS42L42_FULL_SCALE_VOL_MINUS6DB;
 			break;
 		}
 
@@ -1222,6 +1226,9 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac
 		cs8409_fix_caps(codec, DOLPHIN_LO_PIN_NID);
 		cs8409_fix_caps(codec, DOLPHIN_AMIC_PIN_NID);
 
+		spec->scodecs[CS8409_CODEC0]->full_scale_vol = CS42L42_FULL_SCALE_VOL_MINUS6DB;
+		spec->scodecs[CS8409_CODEC1]->full_scale_vol = CS42L42_FULL_SCALE_VOL_MINUS6DB;
+
 		break;
 	case HDA_FIXUP_ACT_PROBE:
 		/* Fix Sample Rate to 48kHz */

sound/pci/hda/patch_cs8409.h

@@ -235,6 +235,9 @@ enum cs8409_coefficient_index_registers {
 #define CS42L42_I2C_SLEEP_US			(2000)
 #define CS42L42_PDN_TIMEOUT_US			(250000)
 #define CS42L42_PDN_SLEEP_US			(2000)
+#define CS42L42_FULL_SCALE_VOL_MASK		(2)
+#define CS42L42_FULL_SCALE_VOL_0DB		(1)
+#define CS42L42_FULL_SCALE_VOL_MINUS6DB		(0)
 
 /* Dell BULLSEYE / WARLOCK / CYBORG Specific Definitions */
 
@@ -264,6 +267,8 @@ enum cs8409_coefficient_index_registers {
 enum {
 	CS8409_BULLSEYE,
 	CS8409_WARLOCK,
+	CS8409_WARLOCK_MLK,
+	CS8409_WARLOCK_MLK_DUAL_MIC,
 	CS8409_CYBORG,
 	CS8409_FIXUPS,
 	CS8409_DOLPHIN,