Merge tag 'asoc-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into topic/asoc

Linus decided to go for another week so here's a few more updates - a
mixed bag here, a few minor diagnostic tweaks, some driver enhancements
and the dmaengine conversion for ep93xx drivers which was tested a while
ago and just waiting for a signoff.

15 files changed, 223 insertions, 283 deletions

diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index ab38e93c354..7843711729b 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -17,6 +17,7 @@
 
 #include <linux/delay.h>
 #include <linux/i2c.h>
+#include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <sound/pcm.h>
@@ -626,41 +627,82 @@ static const struct snd_soc_dapm_route da7210_audio_map[] = {
 
 /* Codec private data */
 struct da7210_priv {
-	enum snd_soc_control_type control_type;
+	struct regmap *regmap;
 };
 
-/*
- * Register cache
- */
-static const u8 da7210_reg[] = {
-	0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R0  - R7  */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,	/* R8  - RF  */
-	0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54,	/* R10 - R17 */
-	0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R18 - R1F */
-	0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00,	/* R20 - R27 */
-	0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00,	/* R28 - R2F */
-	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00,	/* R30 - R37 */
-	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00,	/* R38 - R3F */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R40 - R4F */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R48 - R4F */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R50 - R57 */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R58 - R5F */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R60 - R67 */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R68 - R6F */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R70 - R77 */
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00,	/* R78 - R7F */
-	0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R80 - R87 */
-	0x00,						/* R88       */
+static struct reg_default da7210_reg_defaults[] = {
+	{ 0x01, 0x11 },
+	{ 0x03, 0x00 },
+	{ 0x04, 0x00 },
+	{ 0x05, 0x00 },
+	{ 0x06, 0x00 },
+	{ 0x07, 0x00 },
+	{ 0x08, 0x00 },
+	{ 0x09, 0x00 },
+	{ 0x0a, 0x00 },
+	{ 0x0b, 0x00 },
+	{ 0x0c, 0x00 },
+	{ 0x0d, 0x00 },
+	{ 0x0e, 0x00 },
+	{ 0x0f, 0x08 },
+	{ 0x10, 0x00 },
+	{ 0x11, 0x00 },
+	{ 0x12, 0x00 },
+	{ 0x13, 0x00 },
+	{ 0x14, 0x08 },
+	{ 0x15, 0x10 },
+	{ 0x16, 0x10 },
+	{ 0x17, 0x54 },
+	{ 0x18, 0x40 },
+	{ 0x19, 0x00 },
+	{ 0x1a, 0x00 },
+	{ 0x1b, 0x00 },
+	{ 0x1c, 0x00 },
+	{ 0x1d, 0x00 },
+	{ 0x1e, 0x00 },
+	{ 0x1f, 0x00 },
+	{ 0x20, 0x00 },
+	{ 0x21, 0x00 },
+	{ 0x22, 0x00 },
+	{ 0x23, 0x02 },
+	{ 0x24, 0x00 },
+	{ 0x25, 0x76 },
+	{ 0x26, 0x00 },
+	{ 0x27, 0x00 },
+	{ 0x28, 0x04 },
+	{ 0x29, 0x00 },
+	{ 0x2a, 0x00 },
+	{ 0x2b, 0x30 },
+	{ 0x2c, 0x2A },
+	{ 0x83, 0x00 },
+	{ 0x84, 0x00 },
+	{ 0x85, 0x00 },
+	{ 0x86, 0x00 },
+	{ 0x87, 0x00 },
+	{ 0x88, 0x00 },
 };
 
-static int da7210_volatile_register(struct snd_soc_codec *codec,
+static bool da7210_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case DA7210_A_HID_UNLOCK:
+	case DA7210_A_TEST_UNLOCK:
+	case DA7210_A_PLL1:
+	case DA7210_A_CP_MODE:
+		return false;
+	default:
+		return true;
+	}
+}
+
+static bool da7210_volatile_register(struct device *dev,
 				    unsigned int reg)
 {
 	switch (reg) {
 	case DA7210_STATUS:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }
 
@@ -866,7 +908,8 @@ static int da7210_probe(struct snd_soc_codec *codec)
 
 	dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
 
-	ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
+	codec->control_data = da7210->regmap;
+	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
 		return ret;
@@ -983,12 +1026,14 @@ static int da7210_probe(struct snd_soc_codec *codec)
 	snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
 
 	/* As suggested by Dialog */
-	snd_soc_write(codec, DA7210_A_HID_UNLOCK,	0x8B); /* unlock */
-	snd_soc_write(codec, DA7210_A_TEST_UNLOCK,	0xB4);
-	snd_soc_write(codec, DA7210_A_PLL1,		0x01);
-	snd_soc_write(codec, DA7210_A_CP_MODE,		0x7C);
-	snd_soc_write(codec, DA7210_A_HID_UNLOCK,	0x00); /* re-lock */
-	snd_soc_write(codec, DA7210_A_TEST_UNLOCK,	0x00);
+	/* unlock */
+	regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK,	0x8B);
+	regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK,	0xB4);
+	regmap_write(da7210->regmap, DA7210_A_PLL1,		0x01);
+	regmap_write(da7210->regmap, DA7210_A_CP_MODE,		0x7C);
+	/* re-lock */
+	regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK,	0x00);
+	regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK,	0x00);
 
 	/* Activate all enabled subsystem */
 	snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
@@ -1000,10 +1045,6 @@ static int da7210_probe(struct snd_soc_codec *codec)
 
 static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 	.probe			= da7210_probe,
-	.reg_cache_size		= ARRAY_SIZE(da7210_reg),
-	.reg_word_size		= sizeof(u8),
-	.reg_cache_default	= da7210_reg,
-	.volatile_register	= da7210_volatile_register,
 
 	.controls		= da7210_snd_controls,
 	.num_controls		= ARRAY_SIZE(da7210_snd_controls),
@@ -1014,6 +1055,17 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 	.num_dapm_routes	= ARRAY_SIZE(da7210_audio_map),
 };
 
+static struct regmap_config da7210_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.reg_defaults = da7210_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(da7210_reg_defaults),
+	.volatile_reg = da7210_volatile_register,
+	.readable_reg = da7210_readable_register,
+	.cache_type = REGCACHE_RBTREE,
+};
+
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
 			   	      const struct i2c_device_id *id)
@@ -1027,16 +1079,34 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
 		return -ENOMEM;
 
 	i2c_set_clientdata(i2c, da7210);
-	da7210->control_type = SND_SOC_I2C;
+
+	da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap);
+	if (IS_ERR(da7210->regmap)) {
+		ret = PTR_ERR(da7210->regmap);
+		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+		return ret;
+	}
 
 	ret =  snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_da7210, &da7210_dai, 1);
+	if (ret < 0) {
+		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
+		goto err_regmap;
+	}
+	return ret;
+
+err_regmap:
+	regmap_exit(da7210->regmap);
+
 	return ret;
 }
 
 static int __devexit da7210_i2c_remove(struct i2c_client *client)
 {
+	struct da7210_priv *da7210 = i2c_get_clientdata(client);
+
 	snd_soc_unregister_codec(&client->dev);
+	regmap_exit(da7210->regmap);
 	return 0;
 }
 
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index bc12d097ef0..15fcb1bb714 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3166,9 +3166,16 @@ static void wm8958_default_micdet(u16 status, void *data)
 
 		/* If we have jackdet that will detect removal */
 		if (wm8994->jackdet) {
+			mutex_lock(&wm8994->accdet_lock);
+
 			snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
 					    WM8958_MICD_ENA, 0);
 
+			wm1811_jackdet_set_mode(codec,
+						WM1811_JACKDET_MODE_JACK);
+
+			mutex_unlock(&wm8994->accdet_lock);
+
 			if (wm8994->pdata->jd_ext_cap) {
 				mutex_lock(&codec->mutex);
 				snd_soc_dapm_disable_pin(&codec->dapm,
@@ -3176,9 +3183,6 @@ static void wm8958_default_micdet(u16 status, void *data)
 				snd_soc_dapm_sync(&codec->dapm);
 				mutex_unlock(&codec->mutex);
 			}
-
-			wm1811_jackdet_set_mode(codec,
-						WM1811_JACKDET_MODE_JACK);
 		}
 	}
 
@@ -3213,6 +3217,7 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 	struct wm8994_priv *wm8994 = data;
 	struct snd_soc_codec *codec = wm8994->codec;
 	int reg;
+	bool present;
 
 	mutex_lock(&wm8994->accdet_lock);
 
@@ -3225,11 +3230,10 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 
 	dev_dbg(codec->dev, "JACKDET %x\n", reg);
 
-	if (reg & WM1811_JACKDET_LVL) {
-		dev_dbg(codec->dev, "Jack detected\n");
+	present = reg & WM1811_JACKDET_LVL;
 
-		snd_soc_jack_report(wm8994->micdet[0].jack,
-				    SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
+	if (present) {
+		dev_dbg(codec->dev, "Jack detected\n");
 
 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, 0);
@@ -3247,32 +3251,12 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 
 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
 				    WM8958_MICD_ENA, WM8958_MICD_ENA);
-
-		/* If required for an external cap force MICBIAS on */
-		if (wm8994->pdata->jd_ext_cap) {
-			mutex_lock(&codec->mutex);
-			snd_soc_dapm_force_enable_pin(&codec->dapm,
-						      "MICBIAS2");
-			snd_soc_dapm_sync(&codec->dapm);
-			mutex_unlock(&codec->mutex);
-		}
 	} else {
 		dev_dbg(codec->dev, "Jack not detected\n");
 
 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
 
-		if (wm8994->pdata->jd_ext_cap) {
-			mutex_lock(&codec->mutex);
-			snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
-			snd_soc_dapm_sync(&codec->dapm);
-			mutex_unlock(&codec->mutex);
-		}
-
-		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
-				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
-				    wm8994->btn_mask);
-
 		/* Enable debounce while removed */
 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
 				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);
@@ -3286,6 +3270,28 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 
 	mutex_unlock(&wm8994->accdet_lock);
 
+	/* If required for an external cap force MICBIAS on */
+	if (wm8994->pdata->jd_ext_cap) {
+		mutex_lock(&codec->mutex);
+
+		if (present)
+			snd_soc_dapm_force_enable_pin(&codec->dapm,
+						      "MICBIAS2");
+		else
+			snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
+
+		snd_soc_dapm_sync(&codec->dapm);
+		mutex_unlock(&codec->mutex);
+	}
+
+	if (present)
+		snd_soc_jack_report(wm8994->micdet[0].jack,
+				    SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
+	else
+		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
+				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
+				    wm8994->btn_mask);
+
 	return IRQ_HANDLED;
 }
 
@@ -3389,17 +3395,13 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
 	struct snd_soc_codec *codec = wm8994->codec;
 	int reg, count;
 
-	mutex_lock(&wm8994->accdet_lock);
-
 	/*
 	 * Jack detection may have detected a removal simulataneously
 	 * with an update of the MICDET status; if so it will have
 	 * stopped detection and we can ignore this interrupt.
 	 */
-	if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA)) {
-		mutex_unlock(&wm8994->accdet_lock);
+	if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
 		return IRQ_HANDLED;
-	}
 
 	/* We may occasionally read a detection without an impedence
 	 * range being provided - if that happens loop again.
@@ -3408,7 +3410,6 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
 	do {
 		reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
 		if (reg < 0) {
-			mutex_unlock(&wm8994->accdet_lock);
 			dev_err(codec->dev,
 				"Failed to read mic detect status: %d\n",
 				reg);
@@ -3439,8 +3440,6 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
 		dev_warn(codec->dev, "Accessory detection with no callback\n");
 
 out:
-	mutex_unlock(&wm8994->accdet_lock);
-
 	return IRQ_HANDLED;
 }
 
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 9376b19941b..40a124c9f15 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -118,7 +118,6 @@ WM8996_REGULATOR_EVENT(1)
 WM8996_REGULATOR_EVENT(2)
 
 static struct reg_default wm8996_reg[] = {
-	{ WM8996_SOFTWARE_RESET, 0x8996 },
 	{ WM8996_POWER_MANAGEMENT_1, 0x0 },
 	{ WM8996_POWER_MANAGEMENT_2, 0x0 },
 	{ WM8996_POWER_MANAGEMENT_3, 0x0 },
@@ -153,7 +152,6 @@ static struct reg_default wm8996_reg[] = {
 	{ WM8996_CHARGE_PUMP_1, 0x1f25 },
 	{ WM8996_CHARGE_PUMP_2, 0xab19 },
 	{ WM8996_DC_SERVO_1, 0x0 },
-	{ WM8996_DC_SERVO_2, 0x0 },
 	{ WM8996_DC_SERVO_3, 0x0 },
 	{ WM8996_DC_SERVO_5, 0x2a2a },
 	{ WM8996_DC_SERVO_6, 0x0 },
@@ -892,8 +890,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 		val = 0;
 		mask = 0;
 		if (wm8996->hpout_pending & HPOUT1L) {
-			val |= WM8996_HPOUT1L_RMV_SHORT;
-			mask |= WM8996_HPOUT1L_RMV_SHORT;
+			val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
+			mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 		} else {
 			mask |= WM8996_HPOUT1L_RMV_SHORT |
 				WM8996_HPOUT1L_OUTP |
@@ -901,8 +899,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 		}
 
 		if (wm8996->hpout_pending & HPOUT1R) {
-			val |= WM8996_HPOUT1R_RMV_SHORT;
-			mask |= WM8996_HPOUT1R_RMV_SHORT;
+			val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
+			mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 		} else {
 			mask |= WM8996_HPOUT1R_RMV_SHORT |
 				WM8996_HPOUT1R_OUTP |
@@ -914,8 +912,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 		val = 0;
 		mask = 0;
 		if (wm8996->hpout_pending & HPOUT2L) {
-			val |= WM8996_HPOUT2L_RMV_SHORT;
-			mask |= WM8996_HPOUT2L_RMV_SHORT;
+			val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
+			mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 		} else {
 			mask |= WM8996_HPOUT2L_RMV_SHORT |
 				WM8996_HPOUT2L_OUTP |
@@ -923,8 +921,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 		}
 
 		if (wm8996->hpout_pending & HPOUT2R) {
-			val |= WM8996_HPOUT2R_RMV_SHORT;
-			mask |= WM8996_HPOUT2R_RMV_SHORT;
+			val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
+			mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 		} else {
 			mask |= WM8996_HPOUT2R_RMV_SHORT |
 				WM8996_HPOUT2R_OUTP |
@@ -1216,7 +1214,6 @@ SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
 		   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8996_ANALOGUE_HP_2, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
 		   rmv_short_event,
 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1225,7 +1222,6 @@ SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
 		   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8996_ANALOGUE_HP_2, 2, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
 		   rmv_short_event,
 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1234,7 +1230,6 @@ SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
 		   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8996_ANALOGUE_HP_1, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
 		   rmv_short_event,
 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1243,7 +1238,6 @@ SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
 		   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8996_ANALOGUE_HP_1, 2, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
 		   rmv_short_event,
 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1436,32 +1430,28 @@ static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
 	{ "HPOUT2L PGA", NULL, "DAC2L" },
 	{ "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
 	{ "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
-	{ "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" },
-	{ "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" },
+	{ "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
 
 	{ "HPOUT2R PGA", NULL, "Charge Pump" },
 	{ "HPOUT2R PGA", NULL, "Bandgap" },
 	{ "HPOUT2R PGA", NULL, "DAC2R" },
 	{ "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
 	{ "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
-	{ "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" },
-	{ "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" },
+	{ "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
 
 	{ "HPOUT1L PGA", NULL, "Charge Pump" },
 	{ "HPOUT1L PGA", NULL, "Bandgap" },
 	{ "HPOUT1L PGA", NULL, "DAC1L" },
 	{ "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
 	{ "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
-	{ "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" },
-	{ "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" },
+	{ "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
 
 	{ "HPOUT1R PGA", NULL, "Charge Pump" },
 	{ "HPOUT1R PGA", NULL, "Bandgap" },
 	{ "HPOUT1R PGA", NULL, "DAC1R" },
 	{ "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
 	{ "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
-	{ "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" },
-	{ "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" },
+	{ "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
 
 	{ "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
 	{ "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
diff --git a/sound/soc/ep93xx/Kconfig b/sound/soc/ep93xx/Kconfig
index 91a28de9410..88143db7e75 100644
--- a/sound/soc/ep93xx/Kconfig
+++ b/sound/soc/ep93xx/Kconfig
@@ -1,6 +1,7 @@
 config SND_EP93XX_SOC
 	tristate "SoC Audio support for the Cirrus Logic EP93xx series"
 	depends on ARCH_EP93XX && SND_SOC
+	select SND_SOC_DMAENGINE_PCM
 	help
 	  Say Y or M if you want to add support for codecs attached to
 	  the EP93xx I2S or AC97 interfaces.
diff --git a/sound/soc/ep93xx/ep93xx-pcm.c b/sound/soc/ep93xx/ep93xx-pcm.c
index 32adca38b48..162dbb74f4c 100644
--- a/sound/soc/ep93xx/ep93xx-pcm.c
+++ b/sound/soc/ep93xx/ep93xx-pcm.c
@@ -23,6 +23,7 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/dmaengine_pcm.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>
@@ -52,26 +53,6 @@ static const struct snd_pcm_hardware ep93xx_pcm_hardware = {
 	.fifo_size		= 32,
 };
 
-struct ep93xx_runtime_data
-{
-	int				pointer_bytes;
-	int				periods;
-	int				period_bytes;
-	struct dma_chan			*dma_chan;
-	struct ep93xx_dma_data		dma_data;
-};
-
-static void ep93xx_pcm_dma_callback(void *data)
-{
-	struct snd_pcm_substream *substream = data;
-	struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
-
-	rtd->pointer_bytes += rtd->period_bytes;
-	rtd->pointer_bytes %= rtd->period_bytes * rtd->periods;
-
-	snd_pcm_period_elapsed(substream);
-}
-
 static bool ep93xx_pcm_dma_filter(struct dma_chan *chan, void *filter_param)
 {
 	struct ep93xx_dma_data *data = filter_param;
@@ -86,98 +67,48 @@ static bool ep93xx_pcm_dma_filter(struct dma_chan *chan, void *filter_param)
 
 static int ep93xx_pcm_open(struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *soc_rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = soc_rtd->cpu_dai;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct ep93xx_pcm_dma_params *dma_params;
-	struct ep93xx_runtime_data *rtd;    
-	dma_cap_mask_t mask;
+	struct ep93xx_dma_data *dma_data;
 	int ret;
 
-	ret = snd_pcm_hw_constraint_integer(substream->runtime,
-					    SNDRV_PCM_HW_PARAM_PERIODS);
-	if (ret < 0)
-		return ret;
-
 	snd_soc_set_runtime_hwparams(substream, &ep93xx_pcm_hardware);
 
-	rtd = kmalloc(sizeof(*rtd), GFP_KERNEL);
-	if (!rtd) 
+	dma_data = kmalloc(sizeof(*dma_data), GFP_KERNEL);
+	if (!dma_data)
 		return -ENOMEM;
 
-	dma_cap_zero(mask);
-	dma_cap_set(DMA_SLAVE, mask);
-	dma_cap_set(DMA_CYCLIC, mask);
-
 	dma_params = snd_soc_dai_get_dma_data(cpu_dai, substream);
-	rtd->dma_data.port = dma_params->dma_port;
-	rtd->dma_data.name = dma_params->name;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		rtd->dma_data.direction = DMA_MEM_TO_DEV;
-	else
-		rtd->dma_data.direction = DMA_DEV_TO_MEM;
-
-	rtd->dma_chan = dma_request_channel(mask, ep93xx_pcm_dma_filter,
-					    &rtd->dma_data);
-	if (!rtd->dma_chan) {
-		kfree(rtd);
-		return -EINVAL;
-	}
-	
-	substream->runtime->private_data = rtd;
-	return 0;
-}
+	dma_data->port = dma_params->dma_port;
+	dma_data->name = dma_params->name;
+	dma_data->direction = snd_pcm_substream_to_dma_direction(substream);
 
-static int ep93xx_pcm_close(struct snd_pcm_substream *substream)
-{
-	struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
+	ret = snd_dmaengine_pcm_open(substream, ep93xx_pcm_dma_filter, dma_data);
+	if (ret) {
+		kfree(dma_data);
+		return ret;
+	}
 
-	dma_release_channel(rtd->dma_chan);
-	kfree(rtd);
-	return 0;
-}
+	snd_dmaengine_pcm_set_data(substream, dma_data);
 
-static int ep93xx_pcm_dma_submit(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct ep93xx_runtime_data *rtd = runtime->private_data;
-	struct dma_chan *chan = rtd->dma_chan;
-	struct dma_device *dma_dev = chan->device;
-	struct dma_async_tx_descriptor *desc;
-
-	rtd->pointer_bytes = 0;
-	desc = dma_dev->device_prep_dma_cyclic(chan, runtime->dma_addr,
-					       rtd->period_bytes * rtd->periods,
-					       rtd->period_bytes,
-					       rtd->dma_data.direction);
-	if (!desc)
-		return -EINVAL;
-
-	desc->callback = ep93xx_pcm_dma_callback;
-	desc->callback_param = substream;
-
-	dmaengine_submit(desc);
 	return 0;
 }
 
-static void ep93xx_pcm_dma_flush(struct snd_pcm_substream *substream)
+static int ep93xx_pcm_close(struct snd_pcm_substream *substream)
 {
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct ep93xx_runtime_data *rtd = runtime->private_data;
+	struct dma_data *dma_data = snd_dmaengine_pcm_get_data(substream);
 
-	dmaengine_terminate_all(rtd->dma_chan);
+	snd_dmaengine_pcm_close(substream);
+	kfree(dma_data);
+	return 0;
 }
 
 static int ep93xx_pcm_hw_params(struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params)
 {
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct ep93xx_runtime_data *rtd = runtime->private_data;
-
 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
 
-	rtd->periods = params_periods(params);
-	rtd->period_bytes = params_period_bytes(params);
 	return 0;
 }
 
@@ -187,41 +118,6 @@ static int ep93xx_pcm_hw_free(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static int ep93xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
-	int ret;
-
-	ret = 0;
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		ret = ep93xx_pcm_dma_submit(substream);
-		break;
-
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		ep93xx_pcm_dma_flush(substream);
-		break;
-
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static snd_pcm_uframes_t ep93xx_pcm_pointer(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
-
-	/* FIXME: implement this with sub-period granularity */
-	return bytes_to_frames(runtime, rtd->pointer_bytes);
-}
-
 static int ep93xx_pcm_mmap(struct snd_pcm_substream *substream,
 			   struct vm_area_struct *vma)
 {
@@ -239,8 +135,8 @@ static struct snd_pcm_ops ep93xx_pcm_ops = {
 	.ioctl		= snd_pcm_lib_ioctl,
 	.hw_params	= ep93xx_pcm_hw_params,
 	.hw_free	= ep93xx_pcm_hw_free,
-	.trigger	= ep93xx_pcm_trigger,
-	.pointer	= ep93xx_pcm_pointer,
+	.trigger	= snd_dmaengine_pcm_trigger,
+	.pointer	= snd_dmaengine_pcm_pointer,
 	.mmap		= ep93xx_pcm_mmap,
 };
 
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 3e066966d87..2eb407fa3b4 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -716,12 +716,12 @@ static int __devinit fsl_ssi_probe(struct platform_device *pdev)
 	}
 
 	/* Trigger the machine driver's probe function.  The platform driver
-	 * name of the machine driver is taken from the /model property of the
+	 * name of the machine driver is taken from /compatible property of the
 	 * device tree.  We also pass the address of the CPU DAI driver
 	 * structure.
 	 */
-	sprop = of_get_property(of_find_node_by_path("/"), "model", NULL);
-	/* Sometimes the model name has a "fsl," prefix, so we strip that. */
+	sprop = of_get_property(of_find_node_by_path("/"), "compatible", NULL);
+	/* Sometimes the compatible name has a "fsl," prefix, so we strip it. */
 	p = strrchr(sprop, ',');
 	if (p)
 		sprop = p + 1;
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index fcf9302f59b..afbabf427f2 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -546,7 +546,7 @@ static struct platform_driver mpc8610_hpcd_driver = {
 	.probe = mpc8610_hpcd_probe,
 	.remove = __devexit_p(mpc8610_hpcd_remove),
 	.driver = {
-		/* The name must match the 'model' property in the device tree,
+		/* The name must match 'compatible' property in the device tree,
 		 * in lowercase letters.
 		 */
 		.name = "snd-soc-mpc8610hpcd",
diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c
index d32ec4646d2..b8898708347 100644
--- a/sound/soc/fsl/p1022_ds.c
+++ b/sound/soc/fsl/p1022_ds.c
@@ -543,6 +543,11 @@ static struct platform_driver p1022_ds_driver = {
 	.probe = p1022_ds_probe,
 	.remove = __devexit_p(p1022_ds_remove),
 	.driver = {
+		/*
+		 * The name must match 'compatible' property in the device tree,
+		 * in lowercase letters.
+		 */
+		.name = "snd-soc-p1022ds",
 		.owner = THIS_MODULE,
 	},
 };
@@ -556,33 +561,6 @@ static int __init p1022_ds_init(void)
 {
 	struct device_node *guts_np;
 	struct resource res;
-	const char *sprop;
-
-	/*
-	 * Check if we're actually running on a P1022DS.  Older device trees
-	 * have a model of "fsl,P1022" and newer ones use "fsl,P1022DS", so we
-	 * need to support both.  The SSI driver uses that property to link to
-	 * the machine driver, so have to match it.
-	 */
-	sprop = of_get_property(of_find_node_by_path("/"), "model", NULL);
-	if (!sprop) {
-		pr_err("snd-soc-p1022ds: missing /model node");
-		return -ENODEV;
-	}
-
-	pr_debug("snd-soc-p1022ds: board model name is %s\n", sprop);
-
-	/*
-	 * The name of this board, taken from the device tree.  Normally, this is a*
-	 * fixed string, but some P1022DS device trees have a /model property of
-	 * "fsl,P1022", and others have "fsl,P1022DS".
-	 */
-	if (strcasecmp(sprop, "fsl,p1022ds") == 0)
-		p1022_ds_driver.driver.name = "snd-soc-p1022ds";
-	else if (strcasecmp(sprop, "fsl,p1022") == 0)
-		p1022_ds_driver.driver.name = "snd-soc-p1022";
-	else
-		return -ENODEV;
 
 	/* Get the physical address of the global utilities registers */
 	guts_np = of_find_compatible_node(NULL, NULL, "fsl,p1022-guts");
diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c
index b83699d905b..a839494c5ea 100644
--- a/sound/soc/imx/imx-audmux.c
+++ b/sound/soc/imx/imx-audmux.c
@@ -167,7 +167,7 @@ static void __init audmux_debugfs_init(void)
 	}
 }
 
-static void __exit audmux_debugfs_remove(void)
+static void __devexit audmux_debugfs_remove(void)
 {
 	debugfs_remove_recursive(audmux_debugfs_root);
 }
@@ -249,7 +249,7 @@ int imx_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
 }
 EXPORT_SYMBOL_GPL(imx_audmux_v2_configure_port);
 
-static int __init imx_audmux_probe(struct platform_device *pdev)
+static int __devinit imx_audmux_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	const struct of_device_id *of_id =
@@ -276,7 +276,7 @@ static int __init imx_audmux_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit imx_audmux_remove(struct platform_device *pdev)
+static int __devexit imx_audmux_remove(struct platform_device *pdev)
 {
 	if (audmux_type == IMX31_AUDMUX)
 		audmux_debugfs_remove();
@@ -287,7 +287,7 @@ static int __exit imx_audmux_remove(struct platform_device *pdev)
 
 static struct platform_driver imx_audmux_driver = {
 	.probe		= imx_audmux_probe,
-	.remove		= __exit_p(imx_audmux_remove),
+	.remove		= __devexit_p(imx_audmux_remove),
 	.id_table	= imx_audmux_ids,
 	.driver	= {
 		.name	= DRIVER_NAME,
diff --git a/sound/soc/imx/mx27vis-aic32x4.c b/sound/soc/imx/mx27vis-aic32x4.c
index 976f857151f..f6d04ad4bb3 100644
--- a/sound/soc/imx/mx27vis-aic32x4.c
+++ b/sound/soc/imx/mx27vis-aic32x4.c
@@ -188,22 +188,16 @@ static struct snd_soc_card mx27vis_aic32x4 = {
 	.num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
 };
 
-static struct platform_device *mx27vis_aic32x4_snd_device;
-
-static int __init mx27vis_aic32x4_init(void)
+static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
 {
 	int ret;
 
-	mx27vis_aic32x4_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!mx27vis_aic32x4_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(mx27vis_aic32x4_snd_device, &mx27vis_aic32x4);
-	ret = platform_device_add(mx27vis_aic32x4_snd_device);
-
+	mx27vis_aic32x4.dev = &pdev->dev;
+	ret = snd_soc_register_card(&mx27vis_aic32x4);
 	if (ret) {
-		printk(KERN_ERR "ASoC: Platform device allocation failed\n");
-		platform_device_put(mx27vis_aic32x4_snd_device);
+		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+			ret);
+		return ret;
 	}
 
 	/* Connect SSI0 as clock slave to SSI1 external pins */
@@ -221,22 +215,31 @@ static int __init mx27vis_aic32x4_init(void)
 
 	ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins,
 			ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP");
-	if (ret) {
+	if (ret)
 		printk(KERN_ERR "ASoC: unable to setup gpios\n");
-		platform_device_put(mx27vis_aic32x4_snd_device);
-	}
 
 	return ret;
 }
 
-static void __exit mx27vis_aic32x4_exit(void)
+static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(mx27vis_aic32x4_snd_device);
+	snd_soc_unregister_card(&mx27vis_aic32x4);
+
+	return 0;
 }
 
-module_init(mx27vis_aic32x4_init);
-module_exit(mx27vis_aic32x4_exit);
+static struct platform_driver mx27vis_aic32x4_audio_driver = {
+	.driver = {
+		.name = "mx27vis",
+		.owner = THIS_MODULE,
+	},
+	.probe = mx27vis_aic32x4_probe,
+	.remove = __devexit_p(mx27vis_aic32x4_remove),
+};
+
+module_platform_driver(mx27vis_aic32x4_audio_driver);
 
 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
 MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mx27vis");
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index a57cfbc038e..a16df0fa6ef 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -764,7 +764,8 @@ static int pxa_ssp_remove(struct snd_soc_dai *dai)
 
 #define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 			  SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |	\
-			  SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |	\
+			  SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |	\
+			  SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 |	\
 			  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
 
 #define PXA_SSP_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 7978f6c01ef..93a0daac508 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1531,14 +1531,14 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
 		if (dai_link->dai_fmt) {
 			ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
 						  dai_link->dai_fmt);
-			if (ret != 0)
+			if (ret != 0 && ret != -ENOTSUPP)
 				dev_warn(card->rtd[i].codec_dai->dev,
 					 "Failed to set DAI format: %d\n",
 					 ret);
 
 			ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
 						  dai_link->dai_fmt);
-			if (ret != 0)
+			if (ret != 0 && ret != -ENOTSUPP)
 				dev_warn(card->rtd[i].cpu_dai->dev,
 					 "Failed to set DAI format: %d\n",
 					 ret);
@@ -2971,10 +2971,11 @@ EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll);
  */
 int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
-	if (dai->driver && dai->driver->ops->set_fmt)
-		return dai->driver->ops->set_fmt(dai, fmt);
-	else
+	if (dai->driver == NULL)
 		return -EINVAL;
+	if (dai->driver->ops->set_fmt == NULL)
+		return -ENOTSUPP;
+	return dai->driver->ops->set_fmt(dai, fmt);
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
 
@@ -3382,6 +3383,7 @@ int snd_soc_register_platform(struct device *dev,
 	platform->dapm.dev = dev;
 	platform->dapm.platform = platform;
 	platform->dapm.stream_event = platform_drv->stream_event;
+	mutex_init(&platform->mutex);
 
 	mutex_lock(&client_mutex);
 	list_add(&platform->list, &platform_list);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a4d4aa1e6c4..dcd11609f93 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1667,7 +1667,7 @@ void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
 	dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
 
 	if (!dapm->debugfs_dapm) {
-		printk(KERN_WARNING
+		dev_warn(dapm->dev,
 		       "Failed to create DAPM debugfs directory\n");
 		return;
 	}
diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c
index 0526cf82b54..4420b7030c8 100644
--- a/sound/soc/soc-dmaengine-pcm.c
+++ b/sound/soc/soc-dmaengine-pcm.c
@@ -142,6 +142,7 @@ static int dmaengine_pcm_prepare_and_submit(struct snd_pcm_substream *substream)
 
 	direction = snd_pcm_substream_to_dma_direction(substream);
 
+	prtd->pos = 0;
 	desc = chan->device->device_prep_dma_cyclic(chan,
 		substream->runtime->dma_addr,
 		snd_pcm_lib_buffer_bytes(substream),
diff --git a/sound/soc/tegra/tegra_alc5632.c b/sound/soc/tegra/tegra_alc5632.c
index 2a27725cc9b..e45ccd851f6 100644
--- a/sound/soc/tegra/tegra_alc5632.c
+++ b/sound/soc/tegra/tegra_alc5632.c
@@ -115,7 +115,6 @@ static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	struct device_node *np = codec->card->dev->of_node;
 	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
-	int ret;
 
 	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
 			 &tegra_alc5632_hs_jack);