Merge branch 'for-3.0' into for-3.1
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index c46e7d8..7415878 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -510,7 +510,7 @@
 	struct snd_soc_card *card; /* parent card */
 
 	/* used during DAPM updates */
-	int dev_power;
+	enum snd_soc_bias_level target_bias_level;
 	struct list_head list;
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/include/sound/soc.h b/include/sound/soc.h
index f1de3e0..f55efc1 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -214,10 +214,10 @@
  * @OFF:     Power Off. No restrictions on transition times.
  */
 enum snd_soc_bias_level {
-	SND_SOC_BIAS_OFF,
-	SND_SOC_BIAS_STANDBY,
-	SND_SOC_BIAS_PREPARE,
-	SND_SOC_BIAS_ON,
+	SND_SOC_BIAS_OFF = 0,
+	SND_SOC_BIAS_STANDBY = 1,
+	SND_SOC_BIAS_PREPARE = 2,
+	SND_SOC_BIAS_ON = 3,
 };
 
 struct snd_jack;
@@ -726,8 +726,10 @@
 
 	/* callbacks */
 	int (*set_bias_level)(struct snd_soc_card *,
+			      struct snd_soc_dapm_context *dapm,
 			      enum snd_soc_bias_level level);
 	int (*set_bias_level_post)(struct snd_soc_card *,
+				   struct snd_soc_dapm_context *dapm,
 				   enum snd_soc_bias_level level);
 
 	long pmdown_time;
diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c
index d0e7532..51dde4e 100644
--- a/sound/soc/atmel/atmel-pcm.c
+++ b/sound/soc/atmel/atmel-pcm.c
@@ -382,7 +382,7 @@
 	}
 
 	if (dai->driver->capture.channels_min) {
-		pr_debug("at32-pcm:"
+		pr_debug("atmel-pcm:"
 				"Allocating PCM capture DMA buffer\n");
 		ret = atmel_pcm_preallocate_dma_buffer(pcm,
 			SNDRV_PCM_STREAM_CAPTURE);
diff --git a/sound/soc/atmel/atmel-pcm.h b/sound/soc/atmel/atmel-pcm.h
index 2597329..5e0a95e 100644
--- a/sound/soc/atmel/atmel-pcm.h
+++ b/sound/soc/atmel/atmel-pcm.h
@@ -60,7 +60,7 @@
  * This structure, shared between the PCM driver and the interface,
  * contains all information required by the PCM driver to perform the
  * PDC DMA operation.  All fields except dma_intr_handler() are initialized
- * by the interface.  The dms_intr_handler() pointer is set by the PCM
+ * by the interface.  The dma_intr_handler() pointer is set by the PCM
  * driver and called by the interface SSC interrupt handler if it is
  * non-NULL.
  */
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index eda955b..f53dc09 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -838,10 +838,8 @@
 	}
 
 	ssc_pdev = platform_device_alloc("atmel-ssc-dai", ssc_id);
-	if (!ssc_pdev) {
-		ssc_free(ssc);
+	if (!ssc_pdev)
 		return -ENOMEM;
-	}
 
 	/* If we can grab the SSC briefly to parent the DAI device off it */
 	ssc = ssc_request(ssc_id);
diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index 95572d2..bad3aa1 100644
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -92,6 +92,7 @@
 };
 
 static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card,
+					struct snd_soc_dapm_context *dapm,
 					enum snd_soc_bias_level level)
 {
 	static int mclk_on;
diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c
index 754c496..1e9a801 100644
--- a/sound/soc/codecs/ad1836.c
+++ b/sound/soc/codecs/ad1836.c
@@ -30,10 +30,15 @@
 #include <linux/spi/spi.h>
 #include "ad1836.h"
 
+enum ad1836_type {
+	AD1835,
+	AD1836,
+	AD1838,
+};
+
 /* codec private data */
 struct ad1836_priv {
-	enum snd_soc_control_type control_type;
-	void *control_data;
+	enum ad1836_type type;
 };
 
 /*
@@ -44,29 +49,60 @@
 static const struct soc_enum ad1836_deemp_enum =
 	SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp);
 
-static const struct snd_kcontrol_new ad1836_snd_controls[] = {
-	/* DAC volume control */
-	SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL,
-			AD1836_DAC_R1_VOL, 0, 0x3FF, 0),
-	SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL,
-			AD1836_DAC_R2_VOL, 0, 0x3FF, 0),
-	SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL,
-			AD1836_DAC_R3_VOL, 0, 0x3FF, 0),
+#define AD1836_DAC_VOLUME(x) \
+	SOC_DOUBLE_R("DAC" #x " Playback Volume", AD1836_DAC_L_VOL(x), \
+			AD1836_DAC_R_VOL(x), 0, 0x3FF, 0)
 
-	/* ADC switch control */
-	SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE,
-		AD1836_ADCR1_MUTE, 1, 1),
-	SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE,
-		AD1836_ADCR2_MUTE, 1, 1),
+#define AD1836_DAC_SWITCH(x) \
+	SOC_DOUBLE("DAC" #x " Playback Switch", AD1836_DAC_CTRL2, \
+			AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
 
-	/* DAC switch control */
-	SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE,
-		AD1836_DACR1_MUTE, 1, 1),
-	SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE,
-		AD1836_DACR2_MUTE, 1, 1),
-	SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE,
-		AD1836_DACR3_MUTE, 1, 1),
+#define AD1836_ADC_SWITCH(x) \
+	SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \
+		AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
 
+static const struct snd_kcontrol_new ad183x_dac_controls[] = {
+	AD1836_DAC_VOLUME(1),
+	AD1836_DAC_SWITCH(1),
+	AD1836_DAC_VOLUME(2),
+	AD1836_DAC_SWITCH(2),
+	AD1836_DAC_VOLUME(3),
+	AD1836_DAC_SWITCH(3),
+	AD1836_DAC_VOLUME(4),
+	AD1836_DAC_SWITCH(4),
+};
+
+static const struct snd_soc_dapm_widget ad183x_dac_dapm_widgets[] = {
+	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
+	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
+	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
+	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
+};
+
+static const struct snd_soc_dapm_route ad183x_dac_routes[] = {
+	{ "DAC1OUT", NULL, "DAC" },
+	{ "DAC2OUT", NULL, "DAC" },
+	{ "DAC3OUT", NULL, "DAC" },
+	{ "DAC4OUT", NULL, "DAC" },
+};
+
+static const struct snd_kcontrol_new ad183x_adc_controls[] = {
+	AD1836_ADC_SWITCH(1),
+	AD1836_ADC_SWITCH(2),
+	AD1836_ADC_SWITCH(3),
+};
+
+static const struct snd_soc_dapm_widget ad183x_adc_dapm_widgets[] = {
+	SND_SOC_DAPM_INPUT("ADC1IN"),
+	SND_SOC_DAPM_INPUT("ADC2IN"),
+};
+
+static const struct snd_soc_dapm_route ad183x_adc_routes[] = {
+	{ "ADC", NULL, "ADC1IN" },
+	{ "ADC", NULL, "ADC2IN" },
+};
+
+static const struct snd_kcontrol_new ad183x_controls[] = {
 	/* ADC high-pass filter */
 	SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
 			AD1836_ADC_HIGHPASS_FILTER, 1, 0),
@@ -75,27 +111,24 @@
 	SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum),
 };
 
-static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = {
+static const struct snd_soc_dapm_widget ad183x_dapm_widgets[] = {
 	SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1,
 				AD1836_DAC_POWERDOWN, 1),
 	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1,
 				AD1836_ADC_POWERDOWN, 1, NULL, 0),
-	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
-	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
-	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
-	SND_SOC_DAPM_INPUT("ADC1IN"),
-	SND_SOC_DAPM_INPUT("ADC2IN"),
 };
 
-static const struct snd_soc_dapm_route audio_paths[] = {
+static const struct snd_soc_dapm_route ad183x_dapm_routes[] = {
 	{ "DAC", NULL, "ADC_PWR" },
 	{ "ADC", NULL, "ADC_PWR" },
-	{ "DAC1OUT", "DAC1 Switch", "DAC" },
-	{ "DAC2OUT", "DAC2 Switch", "DAC" },
-	{ "DAC3OUT", "DAC3 Switch", "DAC" },
-	{ "ADC", "ADC1 Switch", "ADC1IN" },
-	{ "ADC", "ADC2 Switch", "ADC2IN" },
+};
+
+static const DECLARE_TLV_DB_SCALE(ad1836_in_tlv, 0, 300, 0);
+
+static const struct snd_kcontrol_new ad1836_controls[] = {
+	SOC_DOUBLE_TLV("ADC2 Capture Volume", AD183X_ADC_CTRL1, 3, 0, 4, 0,
+	    ad1836_in_tlv),
 };
 
 /*
@@ -170,19 +203,15 @@
 		pm_message_t state)
 {
 	/* reset clock control mode */
-	u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
-	adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
-	return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+	return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+		AD1836_ADC_SERFMT_MASK, 0);
 }
 
 static int ad1836_soc_resume(struct snd_soc_codec *codec)
 {
 	/* restore clock control mode */
-	u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
-	adc_ctrl2 |= AD1836_ADC_AUX;
-
-	return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+	return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+		AD1836_ADC_SERFMT_MASK, AD1836_ADC_AUX);
 }
 #else
 #define ad1836_soc_suspend NULL
@@ -194,35 +223,45 @@
 	.set_fmt = ad1836_set_dai_fmt,
 };
 
-/* codec DAI instance */
-static struct snd_soc_dai_driver ad1836_dai = {
-	.name = "ad1836-hifi",
-	.playback = {
-		.stream_name = "Playback",
-		.channels_min = 2,
-		.channels_max = 6,
-		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
-			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
-	},
-	.capture = {
-		.stream_name = "Capture",
-		.channels_min = 2,
-		.channels_max = 4,
-		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
-			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
-	},
-	.ops = &ad1836_dai_ops,
+#define AD183X_DAI(_name, num_dacs, num_adcs) \
+{ \
+	.name = _name "-hifi", \
+	.playback = { \
+		.stream_name = "Playback", \
+		.channels_min = 2, \
+		.channels_max = (num_dacs) * 2, \
+		.rates = SNDRV_PCM_RATE_48000,  \
+		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \
+			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \
+	}, \
+	.capture = { \
+		.stream_name = "Capture", \
+		.channels_min = 2, \
+		.channels_max = (num_adcs) * 2, \
+		.rates = SNDRV_PCM_RATE_48000, \
+		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \
+			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \
+	}, \
+	.ops = &ad1836_dai_ops, \
+}
+
+static struct snd_soc_dai_driver ad183x_dais[] = {
+	[AD1835] = AD183X_DAI("ad1835", 4, 1),
+	[AD1836] = AD183X_DAI("ad1836", 3, 2),
+	[AD1838] = AD183X_DAI("ad1838", 3, 1),
 };
 
 static int ad1836_probe(struct snd_soc_codec *codec)
 {
 	struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec);
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	int num_dacs, num_adcs;
 	int ret = 0;
+	int i;
 
-	codec->control_data = ad1836->control_data;
+	num_dacs = ad183x_dais[ad1836->type].playback.channels_max / 2;
+	num_adcs = ad183x_dais[ad1836->type].capture.channels_max / 2;
+
 	ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI);
 	if (ret < 0) {
 		dev_err(codec->dev, "failed to set cache I/O: %d\n",
@@ -239,21 +278,46 @@
 	snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100);
 	/* unmute adc channles, adc aux mode */
 	snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180);
-	/* left/right diff:PGA/MUX */
-	snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
 	/* volume */
-	snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF);
-	snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF);
-	snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF);
-	snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF);
-	snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF);
-	snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF);
+	for (i = 1; i <= num_dacs; ++i) {
+		snd_soc_write(codec, AD1836_DAC_L_VOL(i), 0x3FF);
+		snd_soc_write(codec, AD1836_DAC_R_VOL(i), 0x3FF);
+	}
 
-	snd_soc_add_controls(codec, ad1836_snd_controls,
-			     ARRAY_SIZE(ad1836_snd_controls));
-	snd_soc_dapm_new_controls(dapm, ad1836_dapm_widgets,
-				  ARRAY_SIZE(ad1836_dapm_widgets));
-	snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
+	if (ad1836->type == AD1836) {
+		/* left/right diff:PGA/MUX */
+		snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
+		ret = snd_soc_add_controls(codec, ad1836_controls,
+				ARRAY_SIZE(ad1836_controls));
+		if (ret)
+			return ret;
+	} else {
+		snd_soc_write(codec, AD1836_ADC_CTRL3, 0x00);
+	}
+
+	ret = snd_soc_add_controls(codec, ad183x_dac_controls, num_dacs * 2);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_add_controls(codec, ad183x_adc_controls, num_adcs);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_dapm_new_controls(dapm, ad183x_dac_dapm_widgets, num_dacs);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_dapm_new_controls(dapm, ad183x_adc_dapm_widgets, num_adcs);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_dapm_add_routes(dapm, ad183x_dac_routes, num_dacs);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_dapm_add_routes(dapm, ad183x_adc_routes, num_adcs);
+	if (ret)
+		return ret;
 
 	return ret;
 }
@@ -262,10 +326,8 @@
 static int ad1836_remove(struct snd_soc_codec *codec)
 {
 	/* reset clock control mode */
-	u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
-	adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
-	return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+	return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+		AD1836_ADC_SERFMT_MASK, 0);
 }
 
 static struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
@@ -275,6 +337,13 @@
 	.resume =       ad1836_soc_resume,
 	.reg_cache_size = AD1836_NUM_REGS,
 	.reg_word_size = sizeof(u16),
+
+	.controls = ad183x_controls,
+	.num_controls = ARRAY_SIZE(ad183x_controls),
+	.dapm_widgets = ad183x_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(ad183x_dapm_widgets),
+	.dapm_routes = ad183x_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(ad183x_dapm_routes),
 };
 
 static int __devinit ad1836_spi_probe(struct spi_device *spi)
@@ -286,12 +355,12 @@
 	if (ad1836 == NULL)
 		return -ENOMEM;
 
+	ad1836->type = spi_get_device_id(spi)->driver_data;
+
 	spi_set_drvdata(spi, ad1836);
-	ad1836->control_data = spi;
-	ad1836->control_type = SND_SOC_SPI;
 
 	ret = snd_soc_register_codec(&spi->dev,
-			&soc_codec_dev_ad1836, &ad1836_dai, 1);
+			&soc_codec_dev_ad1836, &ad183x_dais[ad1836->type], 1);
 	if (ret < 0)
 		kfree(ad1836);
 	return ret;
@@ -303,6 +372,15 @@
 	kfree(spi_get_drvdata(spi));
 	return 0;
 }
+static const struct spi_device_id ad1836_ids[] = {
+	{ "ad1835", AD1835 },
+	{ "ad1836", AD1836 },
+	{ "ad1837", AD1835 },
+	{ "ad1838", AD1838 },
+	{ "ad1839", AD1838 },
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, ad1836_ids);
 
 static struct spi_driver ad1836_spi_driver = {
 	.driver = {
@@ -311,6 +389,7 @@
 	},
 	.probe		= ad1836_spi_probe,
 	.remove		= __devexit_p(ad1836_spi_remove),
+	.id_table	= ad1836_ids,
 };
 
 static int __init ad1836_init(void)
diff --git a/sound/soc/codecs/ad1836.h b/sound/soc/codecs/ad1836.h
index 9d6a3f8..f13402f 100644
--- a/sound/soc/codecs/ad1836.h
+++ b/sound/soc/codecs/ad1836.h
@@ -28,29 +28,20 @@
 #define AD1836_DAC_WORD_LEN_OFFSET     3
 
 #define AD1836_DAC_CTRL2               1
-#define AD1836_DACL1_MUTE              0
-#define AD1836_DACR1_MUTE              1
-#define AD1836_DACL2_MUTE              2
-#define AD1836_DACR2_MUTE              3
-#define AD1836_DACL3_MUTE              4
-#define AD1836_DACR3_MUTE              5
 
-#define AD1836_DAC_L1_VOL              2
-#define AD1836_DAC_R1_VOL              3
-#define AD1836_DAC_L2_VOL              4
-#define AD1836_DAC_R2_VOL              5
-#define AD1836_DAC_L3_VOL              6
-#define AD1836_DAC_R3_VOL              7
+/* These macros are one-based. So AD183X_MUTE_LEFT(1) will return the mute bit
+ * for the first ADC/DAC */
+#define AD1836_MUTE_LEFT(x) (((x) * 2) - 2)
+#define AD1836_MUTE_RIGHT(x) (((x) * 2) - 1)
+
+#define AD1836_DAC_L_VOL(x) ((x) * 2)
+#define AD1836_DAC_R_VOL(x) (1 + ((x) * 2))
 
 #define AD1836_ADC_CTRL1               12
 #define AD1836_ADC_POWERDOWN           7
 #define AD1836_ADC_HIGHPASS_FILTER     8
 
 #define AD1836_ADC_CTRL2               13
-#define AD1836_ADCL1_MUTE 		0
-#define AD1836_ADCR1_MUTE 		1
-#define AD1836_ADCL2_MUTE 		2
-#define AD1836_ADCR2_MUTE 		3
 #define AD1836_ADC_WORD_LEN_MASK       0x30
 #define AD1836_ADC_WORD_OFFSET         5
 #define AD1836_ADC_SERFMT_MASK	       (7 << 6)
diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c
index ed96f247c..7a64e58 100644
--- a/sound/soc/codecs/ak4641.c
+++ b/sound/soc/codecs/ak4641.c
@@ -457,7 +457,7 @@
 	.set_sysclk   = ak4641_set_dai_sysclk,
 };
 
-struct snd_soc_dai_driver ak4641_dai[] = {
+static struct snd_soc_dai_driver ak4641_dai[] = {
 {
 	.name = "ak4641-hifi",
 	.id = 1,
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index 0206a17..6cc8678 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -636,10 +636,7 @@
 #endif /* CONFIG_PM */
 
 /*
- * ASoC codec device structure
- *
- * Assign this variable to the codec_dev field of the machine driver's
- * snd_soc_device structure.
+ * ASoC codec driver structure
  */
 static const struct snd_soc_codec_driver soc_codec_device_cs4270 = {
 	.probe =		cs4270_probe,
diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index 4173b67..ac65a2d 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -1397,8 +1397,6 @@
        if (freq == max98088->sysclk)
                return 0;
 
-       max98088->sysclk = freq; /* remember current sysclk */
-
        /* Setup clocks for slave mode, and using the PLL
         * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
         *         0x02 (when master clk is 20MHz to 30MHz)..
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index e1d282d..872a5fa 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -1517,8 +1517,6 @@
 	if (freq == max98095->sysclk)
 		return 0;
 
-	max98095->sysclk = freq; /* remember current sysclk */
-
 	/* Setup clocks for slave mode, and using the PLL
 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
 	 *         0x02 (when master clk is 20MHz to 40MHz)..
diff --git a/sound/soc/codecs/wm8915.c b/sound/soc/codecs/wm8915.c
index e2ab4fa..423baa9 100644
--- a/sound/soc/codecs/wm8915.c
+++ b/sound/soc/codecs/wm8915.c
@@ -41,14 +41,12 @@
 #define HPOUT2L 4
 #define HPOUT2R 8
 
-#define WM8915_NUM_SUPPLIES 6
+#define WM8915_NUM_SUPPLIES 4
 static const char *wm8915_supply_names[WM8915_NUM_SUPPLIES] = {
-	"DCVDD",
 	"DBVDD",
 	"AVDD1",
 	"AVDD2",
 	"CPVDD",
-	"MICVDD",
 };
 
 struct wm8915_priv {
@@ -57,6 +55,7 @@
 	int ldo1ena;
 
 	int sysclk;
+	int sysclk_src;
 
 	int fll_src;
 	int fll_fref;
@@ -76,6 +75,7 @@
 	struct wm8915_pdata pdata;
 
 	int rx_rate[WM8915_AIFS];
+	int bclk_rate[WM8915_AIFS];
 
 	/* Platform dependant ReTune mobile configuration */
 	int num_retune_mobile_texts;
@@ -113,8 +113,6 @@
 WM8915_REGULATOR_EVENT(1)
 WM8915_REGULATOR_EVENT(2)
 WM8915_REGULATOR_EVENT(3)
-WM8915_REGULATOR_EVENT(4)
-WM8915_REGULATOR_EVENT(5)
 
 static const u16 wm8915_reg[WM8915_MAX_REGISTER] = {
 	[WM8915_SOFTWARE_RESET] = 0x8915,
@@ -1565,6 +1563,50 @@
 	return snd_soc_write(codec, WM8915_SOFTWARE_RESET, 0x8915);
 }
 
+static const int bclk_divs[] = {
+	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
+};
+
+static void wm8915_update_bclk(struct snd_soc_codec *codec)
+{
+	struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
+	int aif, best, cur_val, bclk_rate, bclk_reg, i;
+
+	/* Don't bother if we're in a low frequency idle mode that
+	 * can't support audio.
+	 */
+	if (wm8915->sysclk < 64000)
+		return;
+
+	for (aif = 0; aif < WM8915_AIFS; aif++) {
+		switch (aif) {
+		case 0:
+			bclk_reg = WM8915_AIF1_BCLK;
+			break;
+		case 1:
+			bclk_reg = WM8915_AIF2_BCLK;
+			break;
+		}
+
+		bclk_rate = wm8915->bclk_rate[aif];
+
+		/* Pick a divisor for BCLK as close as we can get to ideal */
+		best = 0;
+		for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
+			cur_val = (wm8915->sysclk / bclk_divs[i]) - bclk_rate;
+			if (cur_val < 0) /* BCLK table is sorted */
+				break;
+			best = i;
+		}
+		bclk_rate = wm8915->sysclk / bclk_divs[best];
+		dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
+			bclk_divs[best], bclk_rate);
+
+		snd_soc_update_bits(codec, bclk_reg,
+				    WM8915_AIF1_BCLK_DIV_MASK, best);
+	}
+}
+
 static int wm8915_set_bias_level(struct snd_soc_codec *codec,
 				 enum snd_soc_bias_level level)
 {
@@ -1717,10 +1759,6 @@
 	return 0;
 }
 
-static const int bclk_divs[] = {
-	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
-};
-
 static const int dsp_divs[] = {
 	48000, 32000, 16000, 8000
 };
@@ -1731,17 +1769,11 @@
 {
 	struct snd_soc_codec *codec = dai->codec;
 	struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
-	int bits, i, bclk_rate, best, cur_val;
+	int bits, i, bclk_rate;
 	int aifdata = 0;
-	int bclk = 0;
 	int lrclk = 0;
 	int dsp = 0;
-	int aifdata_reg, bclk_reg, lrclk_reg, dsp_shift;
-
-	if (!wm8915->sysclk) {
-		dev_err(codec->dev, "SYSCLK not configured\n");
-		return -EINVAL;
-	}
+	int aifdata_reg, lrclk_reg, dsp_shift;
 
 	switch (dai->id) {
 	case 0:
@@ -1753,7 +1785,6 @@
 			aifdata_reg = WM8915_AIF1TX_DATA_CONFIGURATION_1;
 			lrclk_reg = WM8915_AIF1_TX_LRCLK_1;
 		}
-		bclk_reg = WM8915_AIF1_BCLK;
 		dsp_shift = 0;
 		break;
 	case 1:
@@ -1765,7 +1796,6 @@
 			aifdata_reg = WM8915_AIF2TX_DATA_CONFIGURATION_1;
 			lrclk_reg = WM8915_AIF2_TX_LRCLK_1;
 		}
-		bclk_reg = WM8915_AIF2_BCLK;
 		dsp_shift = WM8915_DSP2_DIV_SHIFT;
 		break;
 	default:
@@ -1779,6 +1809,9 @@
 		return bclk_rate;
 	}
 
+	wm8915->bclk_rate[dai->id] = bclk_rate;
+	wm8915->rx_rate[dai->id] = params_rate(params);
+
 	/* Needs looking at for TDM */
 	bits = snd_pcm_format_width(params_format(params));
 	if (bits < 0)
@@ -1796,18 +1829,7 @@
 	}
 	dsp |= i << dsp_shift;
 
-	/* Pick a divisor for BCLK as close as we can get to ideal */
-	best = 0;
-	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
-		cur_val = (wm8915->sysclk / bclk_divs[i]) - bclk_rate;
-		if (cur_val < 0) /* BCLK table is sorted */
-			break;
-		best = i;
-	}
-	bclk_rate = wm8915->sysclk / bclk_divs[best];
-	dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
-		bclk_divs[best], bclk_rate);
-	bclk |= best;
+	wm8915_update_bclk(codec);
 
 	lrclk = bclk_rate / params_rate(params);
 	dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
@@ -1817,14 +1839,11 @@
 			    WM8915_AIF1TX_WL_MASK |
 			    WM8915_AIF1TX_SLOT_LEN_MASK,
 			    aifdata);
-	snd_soc_update_bits(codec, bclk_reg, WM8915_AIF1_BCLK_DIV_MASK, bclk);
 	snd_soc_update_bits(codec, lrclk_reg, WM8915_AIF1RX_RATE_MASK,
 			    lrclk);
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_2,
 			    WM8915_DSP1_DIV_SHIFT << dsp_shift, dsp);
 
-	wm8915->rx_rate[dai->id] = params_rate(params);
-
 	return 0;
 }
 
@@ -1838,6 +1857,9 @@
 	int src;
 	int old;
 
+	if (freq == wm8915->sysclk && clk_id == wm8915->sysclk_src)
+		return 0;
+
 	/* Disable SYSCLK while we reconfigure */
 	old = snd_soc_read(codec, WM8915_AIF_CLOCKING_1) & WM8915_SYSCLK_ENA;
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
@@ -1882,6 +1904,8 @@
 		return -EINVAL;
 	}
 
+	wm8915_update_bclk(codec);
+
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
 			    WM8915_SYSCLK_SRC_MASK | WM8915_SYSCLK_DIV_MASK,
 			    src << WM8915_SYSCLK_SRC_SHIFT | ratediv);
@@ -1889,6 +1913,8 @@
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
 			    WM8915_SYSCLK_ENA, old);
 
+	wm8915->sysclk_src = clk_id;
+
 	return 0;
 }
 
@@ -2007,6 +2033,7 @@
 			  unsigned int Fref, unsigned int Fout)
 {
 	struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
+	struct i2c_client *i2c = to_i2c_client(codec->dev);
 	struct _fll_div fll_div;
 	unsigned long timeout;
 	int ret, reg;
@@ -2093,7 +2120,18 @@
 	else
 		timeout = msecs_to_jiffies(2);
 
-	wait_for_completion_timeout(&wm8915->fll_lock, timeout);
+	/* Allow substantially longer if we've actually got the IRQ */
+	if (i2c->irq)
+		timeout *= 1000;
+
+	ret = wait_for_completion_timeout(&wm8915->fll_lock, timeout);
+
+	if (ret == 0 && i2c->irq) {
+		dev_err(codec->dev, "Timed out waiting for FLL\n");
+		ret = -ETIMEDOUT;
+	} else {
+		ret = 0;
+	}
 
 	dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
 
@@ -2101,7 +2139,7 @@
 	wm8915->fll_fout = Fout;
 	wm8915->fll_src = source;
 
-	return 0;
+	return ret;
 }
 
 #ifdef CONFIG_GPIOLIB
@@ -2293,6 +2331,12 @@
 				    SND_JACK_HEADSET | SND_JACK_BTN_0);
 		wm8915->jack_mic = true;
 		wm8915->detecting = false;
+
+		/* Increase poll rate to give better responsiveness
+		 * for buttons */
+		snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
+				    WM8915_MICD_RATE_MASK,
+				    5 << WM8915_MICD_RATE_SHIFT);
 	}
 
 	/* If we detected a lower impedence during initial startup
@@ -2333,15 +2377,17 @@
 					    SND_JACK_HEADPHONE,
 					    SND_JACK_HEADSET |
 					    SND_JACK_BTN_0);
+
+			/* Increase the detection rate a bit for
+			 * responsiveness.
+			 */
+			snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
+					    WM8915_MICD_RATE_MASK,
+					    7 << WM8915_MICD_RATE_SHIFT);
+
 			wm8915->detecting = false;
 		}
 	}
-
-	/* Increase poll rate to give better responsiveness for buttons */
-	if (!wm8915->detecting)
-		snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
-				    WM8915_MICD_RATE_MASK,
-				    5 << WM8915_MICD_RATE_SHIFT);
 }
 
 static irqreturn_t wm8915_irq(int irq, void *data)
@@ -2383,6 +2429,20 @@
 	}
 }
 
+static irqreturn_t wm8915_edge_irq(int irq, void *data)
+{
+	irqreturn_t ret = IRQ_NONE;
+	irqreturn_t val;
+
+	do {
+		val = wm8915_irq(irq, data);
+		if (val != IRQ_NONE)
+			ret = val;
+	} while (val != IRQ_NONE);
+
+	return ret;
+}
+
 static void wm8915_retune_mobile_pdata(struct snd_soc_codec *codec)
 {
 	struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
@@ -2482,8 +2542,6 @@
 	wm8915->disable_nb[1].notifier_call = wm8915_regulator_event_1;
 	wm8915->disable_nb[2].notifier_call = wm8915_regulator_event_2;
 	wm8915->disable_nb[3].notifier_call = wm8915_regulator_event_3;
-	wm8915->disable_nb[4].notifier_call = wm8915_regulator_event_4;
-	wm8915->disable_nb[5].notifier_call = wm8915_regulator_event_5;
 
 	/* This should really be moved into the regulator core */
 	for (i = 0; i < ARRAY_SIZE(wm8915->supplies); i++) {
@@ -2709,8 +2767,14 @@
 
 		irq_flags |= IRQF_ONESHOT;
 
-		ret = request_threaded_irq(i2c->irq, NULL, wm8915_irq,
-					   irq_flags, "wm8915", codec);
+		if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
+			ret = request_threaded_irq(i2c->irq, NULL,
+						   wm8915_edge_irq,
+						   irq_flags, "wm8915", codec);
+		else
+			ret = request_threaded_irq(i2c->irq, NULL, wm8915_irq,
+						   irq_flags, "wm8915", codec);
+
 		if (ret == 0) {
 			/* Unmask the interrupt */
 			snd_soc_update_bits(codec, WM8915_INTERRUPT_CONTROL,
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 9d35b8c..c9e0320 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -46,11 +46,28 @@
 }
 #endif
 
+#define DAVINCI_PCM_FMTBITS	(\
+				SNDRV_PCM_FMTBIT_S8	|\
+				SNDRV_PCM_FMTBIT_U8	|\
+				SNDRV_PCM_FMTBIT_S16_LE	|\
+				SNDRV_PCM_FMTBIT_S16_BE	|\
+				SNDRV_PCM_FMTBIT_U16_LE	|\
+				SNDRV_PCM_FMTBIT_U16_BE	|\
+				SNDRV_PCM_FMTBIT_S24_LE	|\
+				SNDRV_PCM_FMTBIT_S24_BE	|\
+				SNDRV_PCM_FMTBIT_U24_LE	|\
+				SNDRV_PCM_FMTBIT_U24_BE	|\
+				SNDRV_PCM_FMTBIT_S32_LE	|\
+				SNDRV_PCM_FMTBIT_S32_BE	|\
+				SNDRV_PCM_FMTBIT_U32_LE	|\
+				SNDRV_PCM_FMTBIT_U32_BE)
+
 static struct snd_pcm_hardware pcm_hardware_playback = {
 	.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
-		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
-	.formats = (SNDRV_PCM_FMTBIT_S16_LE),
+		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME|
+		 SNDRV_PCM_INFO_BATCH),
+	.formats = DAVINCI_PCM_FMTBITS,
 	.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
 		  SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 |
 		  SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
@@ -59,7 +76,7 @@
 	.rate_min = 8000,
 	.rate_max = 96000,
 	.channels_min = 2,
-	.channels_max = 2,
+	.channels_max = 384,
 	.buffer_bytes_max = 128 * 1024,
 	.period_bytes_min = 32,
 	.period_bytes_max = 8 * 1024,
@@ -71,8 +88,9 @@
 static struct snd_pcm_hardware pcm_hardware_capture = {
 	.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
-		 SNDRV_PCM_INFO_PAUSE),
-	.formats = (SNDRV_PCM_FMTBIT_S16_LE),
+		 SNDRV_PCM_INFO_PAUSE |
+		 SNDRV_PCM_INFO_BATCH),
+	.formats = DAVINCI_PCM_FMTBITS,
 	.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
 		  SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 |
 		  SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
@@ -81,7 +99,7 @@
 	.rate_min = 8000,
 	.rate_max = 96000,
 	.channels_min = 2,
-	.channels_max = 2,
+	.channels_max = 384,
 	.buffer_bytes_max = 128 * 1024,
 	.period_bytes_min = 32,
 	.period_bytes_max = 8 * 1024,
@@ -139,6 +157,22 @@
 	struct edmacc_param ram_params;
 };
 
+static void davinci_pcm_period_elapsed(struct snd_pcm_substream *substream)
+{
+	struct davinci_runtime_data *prtd = substream->runtime->private_data;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	prtd->period++;
+	if (unlikely(prtd->period >= runtime->periods))
+		prtd->period = 0;
+}
+
+static void davinci_pcm_period_reset(struct snd_pcm_substream *substream)
+{
+	struct davinci_runtime_data *prtd = substream->runtime->private_data;
+
+	prtd->period = 0;
+}
 /*
  * Not used with ping/pong
  */
@@ -199,10 +233,6 @@
 	else
 		edma_set_transfer_params(link, acnt, fifo_level, count,
 							fifo_level, ABSYNC);
-
-	prtd->period++;
-	if (unlikely(prtd->period >= runtime->periods))
-		prtd->period = 0;
 }
 
 static void davinci_pcm_dma_irq(unsigned link, u16 ch_status, void *data)
@@ -217,12 +247,13 @@
 		return;
 
 	if (snd_pcm_running(substream)) {
+		spin_lock(&prtd->lock);
 		if (prtd->ram_channel < 0) {
 			/* No ping/pong must fix up link dma data*/
-			spin_lock(&prtd->lock);
 			davinci_pcm_enqueue_dma(substream);
-			spin_unlock(&prtd->lock);
 		}
+		davinci_pcm_period_elapsed(substream);
+		spin_unlock(&prtd->lock);
 		snd_pcm_period_elapsed(substream);
 	}
 }
@@ -425,7 +456,8 @@
 
 	edma_read_slot(link, &prtd->asp_params);
 	prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f) | TCINTEN);
-	prtd->asp_params.opt |= TCCHEN | EDMA_TCC(prtd->ram_channel & 0x3f);
+	prtd->asp_params.opt |= TCCHEN |
+		EDMA_TCC(prtd->ram_channel & 0x3f);
 	edma_write_slot(link, &prtd->asp_params);
 
 	/* pong */
@@ -439,7 +471,7 @@
 	prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f));
 	/* interrupt after every pong completion */
 	prtd->asp_params.opt |= TCINTEN | TCCHEN |
-		EDMA_TCC(EDMA_CHAN_SLOT(prtd->ram_channel));
+		EDMA_TCC(prtd->ram_channel & 0x3f);
 	edma_write_slot(link, &prtd->asp_params);
 
 	/* ram */
@@ -527,6 +559,13 @@
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
+		edma_start(prtd->asp_channel);
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+		    prtd->ram_channel >= 0) {
+			/* copy 1st iram buffer */
+			edma_start(prtd->ram_channel);
+		}
+		break;
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		edma_resume(prtd->asp_channel);
@@ -550,6 +589,7 @@
 {
 	struct davinci_runtime_data *prtd = substream->runtime->private_data;
 
+	davinci_pcm_period_reset(substream);
 	if (prtd->ram_channel >= 0) {
 		int ret = ping_pong_dma_setup(substream);
 		if (ret < 0)
@@ -565,21 +605,31 @@
 		print_buf_info(prtd->asp_link[0], "asp_link[0]");
 		print_buf_info(prtd->asp_link[1], "asp_link[1]");
 
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			/* copy 1st iram buffer */
-			edma_start(prtd->ram_channel);
-		}
-		edma_start(prtd->asp_channel);
+		/*
+		 * There is a phase offset of 2 periods between the position
+		 * used by dma setup and the position reported in the pointer
+		 * function.
+		 *
+		 * The phase offset, when not using ping-pong buffers, is due to
+		 * the two consecutive calls to davinci_pcm_enqueue_dma() below.
+		 *
+		 * Whereas here, with ping-pong buffers, the phase is due to
+		 * there being an entire buffer transfer complete before the
+		 * first dma completion event triggers davinci_pcm_dma_irq().
+		 */
+		davinci_pcm_period_elapsed(substream);
+		davinci_pcm_period_elapsed(substream);
+
 		return 0;
 	}
-	prtd->period = 0;
 	davinci_pcm_enqueue_dma(substream);
+	davinci_pcm_period_elapsed(substream);
 
 	/* Copy self-linked parameter RAM entry into master channel */
 	edma_read_slot(prtd->asp_link[0], &prtd->asp_params);
 	edma_write_slot(prtd->asp_channel, &prtd->asp_params);
 	davinci_pcm_enqueue_dma(substream);
-	edma_start(prtd->asp_channel);
+	davinci_pcm_period_elapsed(substream);
 
 	return 0;
 }
@@ -591,51 +641,23 @@
 	struct davinci_runtime_data *prtd = runtime->private_data;
 	unsigned int offset;
 	int asp_count;
-	dma_addr_t asp_src, asp_dst;
+	unsigned int period_size = snd_pcm_lib_period_bytes(substream);
 
+	/*
+	 * There is a phase offset of 2 periods between the position used by dma
+	 * setup and the position reported in the pointer function. Either +2 in
+	 * the dma setup or -2 here in the pointer function (with wrapping,
+	 * both) accounts for this offset -- choose the latter since it makes
+	 * the first-time setup clearer.
+	 */
 	spin_lock(&prtd->lock);
-	if (prtd->ram_channel >= 0) {
-		int ram_count;
-		int mod_ram;
-		dma_addr_t ram_src, ram_dst;
-		unsigned int period_size = snd_pcm_lib_period_bytes(substream);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			/* reading ram before asp should be safe
-			 * as long as the asp transfers less than a ping size
-			 * of bytes between the 2 reads
-			 */
-			edma_get_position(prtd->ram_channel,
-					&ram_src, &ram_dst);
-			edma_get_position(prtd->asp_channel,
-					&asp_src, &asp_dst);
-			asp_count = asp_src - prtd->asp_params.src;
-			ram_count = ram_src - prtd->ram_params.src;
-			mod_ram = ram_count % period_size;
-			mod_ram -= asp_count;
-			if (mod_ram < 0)
-				mod_ram += period_size;
-			else if (mod_ram == 0) {
-				if (snd_pcm_running(substream))
-					mod_ram += period_size;
-			}
-			ram_count -= mod_ram;
-			if (ram_count < 0)
-				ram_count += period_size * runtime->periods;
-		} else {
-			edma_get_position(prtd->ram_channel,
-					&ram_src, &ram_dst);
-			ram_count = ram_dst - prtd->ram_params.dst;
-		}
-		asp_count = ram_count;
-	} else {
-		edma_get_position(prtd->asp_channel, &asp_src, &asp_dst);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			asp_count = asp_src - runtime->dma_addr;
-		else
-			asp_count = asp_dst - runtime->dma_addr;
-	}
+	asp_count = prtd->period - 2;
 	spin_unlock(&prtd->lock);
 
+	if (asp_count < 0)
+		asp_count += runtime->periods;
+	asp_count *= period_size;
+
 	offset = bytes_to_frames(runtime, asp_count);
 	if (offset >= runtime->buffer_size)
 		offset = 0;
diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
index dac6732..9c0edad 100644
--- a/sound/soc/nuc900/nuc900-ac97.c
+++ b/sound/soc/nuc900/nuc900-ac97.c
@@ -356,7 +356,7 @@
 	nuc900_audio->irq_num = platform_get_irq(pdev, 0);
 	if (!nuc900_audio->irq_num) {
 		ret = -EBUSY;
-		goto out2;
+		goto out3;
 	}
 
 	nuc900_ac97_data = nuc900_audio;
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index 462cbcb..b40095a 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -427,7 +427,8 @@
 
 /* Board specific codec bias level control */
 static int ams_delta_set_bias_level(struct snd_soc_card *card,
-					enum snd_soc_bias_level level)
+				    struct snd_soc_dapm_context *dapm,
+				    enum snd_soc_bias_level level)
 {
 	struct snd_soc_codec *codec = card->rtd->codec;
 
diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c
index 360a333..2515dba 100644
--- a/sound/soc/samsung/speyside.c
+++ b/sound/soc/samsung/speyside.c
@@ -20,24 +20,29 @@
 #define WM8915_HPSEL_GPIO 214
 
 static int speyside_set_bias_level(struct snd_soc_card *card,
+				   struct snd_soc_dapm_context *dapm,
 				   enum snd_soc_bias_level level)
 {
 	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
 	int ret;
 
+	if (dapm->dev != codec_dai->dev)
+		return 0;
+
 	switch (level) {
 	case SND_SOC_BIAS_STANDBY:
-		ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_MCLK1,
+		ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_MCLK2,
 					     32768, SND_SOC_CLOCK_IN);
 		if (ret < 0)
 			return ret;
 
-		ret = snd_soc_dai_set_pll(codec_dai, WM8915_FLL_MCLK1,
+		ret = snd_soc_dai_set_pll(codec_dai, WM8915_FLL_MCLK2,
 					  0, 0, 0);
 		if (ret < 0) {
 			pr_err("Failed to stop FLL\n");
 			return ret;
 		}
+		break;
 
 	default:
 		break;
@@ -46,6 +51,45 @@
 	return 0;
 }
 
+static int speyside_set_bias_level_post(struct snd_soc_card *card,
+					struct snd_soc_dapm_context *dapm,
+					enum snd_soc_bias_level level)
+{
+	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+	int ret;
+
+	if (dapm->dev != codec_dai->dev)
+		return 0;
+
+	switch (level) {
+	case SND_SOC_BIAS_PREPARE:
+		if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
+			ret = snd_soc_dai_set_pll(codec_dai, 0,
+						  WM8915_FLL_MCLK2,
+						  32768, 48000 * 256);
+			if (ret < 0) {
+				pr_err("Failed to start FLL\n");
+				return ret;
+			}
+
+			ret = snd_soc_dai_set_sysclk(codec_dai,
+						     WM8915_SYSCLK_FLL,
+						     48000 * 256,
+						     SND_SOC_CLOCK_IN);
+			if (ret < 0)
+				return ret;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	card->dapm.bias_level = level;
+
+	return 0;
+}
+
 static int speyside_hw_params(struct snd_pcm_substream *substream,
 			      struct snd_pcm_hw_params *params)
 {
@@ -66,16 +110,6 @@
 	if (ret < 0)
 		return ret;
 
-	ret = snd_soc_dai_set_pll(codec_dai, 0, WM8915_FLL_MCLK1,
-				  32768, 256 * 48000);
-	if (ret < 0)
-		return ret;
-
-	ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_FLL,
-				     256 * 48000, SND_SOC_CLOCK_IN);
-	if (ret < 0)
-		return ret;
-
 	return 0;
 }
 
@@ -127,7 +161,7 @@
 	struct snd_soc_codec *codec = rtd->codec;
 	int ret;
 
-	ret = snd_soc_dai_set_sysclk(dai, WM8915_SYSCLK_MCLK1, 32768, 0);
+	ret = snd_soc_dai_set_sysclk(dai, WM8915_SYSCLK_MCLK2, 32768, 0);
 	if (ret < 0)
 		return ret;
 
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 4a9da6b..d2f17ce 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -118,10 +118,38 @@
 /*
  * FSI driver use below type name for variable
  *
- * xxx_len	: data length
- * xxx_width	: data width
- * xxx_offset	: data offset
  * xxx_num	: number of data
+ * xxx_pos	: position of data
+ * xxx_capa	: capacity of data
+ */
+
+/*
+ *	period/frame/sample image
+ *
+ * ex) PCM (2ch)
+ *
+ * period pos					   period pos
+ *   [n]					     [n + 1]
+ *   |<-------------------- period--------------------->|
+ * ==|============================================ ... =|==
+ *   |							|
+ *   ||<-----  frame ----->|<------ frame ----->|  ...	|
+ *   |+--------------------+--------------------+- ...	|
+ *   ||[ sample ][ sample ]|[ sample ][ sample ]|  ...	|
+ *   |+--------------------+--------------------+- ...	|
+ * ==|============================================ ... =|==
+ */
+
+/*
+ *	FSI FIFO image
+ *
+ *	|	     |
+ *	|	     |
+ *	| [ sample ] |
+ *	| [ sample ] |
+ *	| [ sample ] |
+ *	| [ sample ] |
+ *		--> go to codecs
  */
 
 /*
@@ -131,12 +159,11 @@
 struct fsi_stream {
 	struct snd_pcm_substream *substream;
 
-	int fifo_max_num;
-
-	int buff_offset;
-	int buff_len;
-	int period_len;
-	int period_num;
+	int fifo_sample_capa;	/* sample capacity of FSI FIFO */
+	int buff_sample_capa;	/* sample capacity of ALSA buffer */
+	int buff_sample_pos;	/* sample position of ALSA buffer */
+	int period_samples;	/* sample number / 1 period */
+	int period_pos;		/* current period position */
 
 	int uerr_num;
 	int oerr_num;
@@ -149,17 +176,14 @@
 	struct fsi_stream playback;
 	struct fsi_stream capture;
 
+	u32 do_fmt;
+	u32 di_fmt;
+
 	int chan_num:16;
 	int clk_master:1;
+	int spdif:1;
 
 	long rate;
-
-	/* for suspend/resume */
-	u32 saved_do_fmt;
-	u32 saved_di_fmt;
-	u32 saved_ckg1;
-	u32 saved_ckg2;
-	u32 saved_out_sel;
 };
 
 struct fsi_core {
@@ -180,14 +204,6 @@
 	struct fsi_core *core;
 	struct sh_fsi_platform_info *info;
 	spinlock_t lock;
-
-	/* for suspend/resume */
-	u32 saved_a_mclk;
-	u32 saved_b_mclk;
-	u32 saved_iemsk;
-	u32 saved_imsk;
-	u32 saved_clk_rst;
-	u32 saved_soft_rst;
 };
 
 /*
@@ -271,6 +287,11 @@
 	return fsi->master->base == fsi->base;
 }
 
+static int fsi_is_spdif(struct fsi_priv *fsi)
+{
+	return fsi->spdif;
+}
+
 static struct snd_soc_dai *fsi_get_dai(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -342,28 +363,59 @@
 	return shift;
 }
 
-static void fsi_stream_push(struct fsi_priv *fsi,
-			    int is_play,
-			    struct snd_pcm_substream *substream,
-			    u32 buffer_len,
-			    u32 period_len)
+static int fsi_frame2sample(struct fsi_priv *fsi, int frames)
+{
+	return frames * fsi->chan_num;
+}
+
+static int fsi_sample2frame(struct fsi_priv *fsi, int samples)
+{
+	return samples / fsi->chan_num;
+}
+
+static int fsi_stream_is_working(struct fsi_priv *fsi,
+				  int is_play)
 {
 	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+	struct fsi_master *master = fsi_get_master(fsi);
+	unsigned long flags;
+	int ret;
 
+	spin_lock_irqsave(&master->lock, flags);
+	ret = !!io->substream;
+	spin_unlock_irqrestore(&master->lock, flags);
+
+	return ret;
+}
+
+static void fsi_stream_push(struct fsi_priv *fsi,
+			    int is_play,
+			    struct snd_pcm_substream *substream)
+{
+	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct fsi_master *master = fsi_get_master(fsi);
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->lock, flags);
 	io->substream	= substream;
-	io->buff_len	= buffer_len;
-	io->buff_offset	= 0;
-	io->period_len	= period_len;
-	io->period_num	= 0;
+	io->buff_sample_capa	= fsi_frame2sample(fsi, runtime->buffer_size);
+	io->buff_sample_pos	= 0;
+	io->period_samples	= fsi_frame2sample(fsi, runtime->period_size);
+	io->period_pos		= 0;
 	io->oerr_num	= -1; /* ignore 1st err */
 	io->uerr_num	= -1; /* ignore 1st err */
+	spin_unlock_irqrestore(&master->lock, flags);
 }
 
 static void fsi_stream_pop(struct fsi_priv *fsi, int is_play)
 {
 	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
 	struct snd_soc_dai *dai = fsi_get_dai(io->substream);
+	struct fsi_master *master = fsi_get_master(fsi);
+	unsigned long flags;
 
+	spin_lock_irqsave(&master->lock, flags);
 
 	if (io->oerr_num > 0)
 		dev_err(dai->dev, "over_run = %d\n", io->oerr_num);
@@ -372,47 +424,27 @@
 		dev_err(dai->dev, "under_run = %d\n", io->uerr_num);
 
 	io->substream	= NULL;
-	io->buff_len	= 0;
-	io->buff_offset	= 0;
-	io->period_len	= 0;
-	io->period_num	= 0;
+	io->buff_sample_capa	= 0;
+	io->buff_sample_pos	= 0;
+	io->period_samples	= 0;
+	io->period_pos		= 0;
 	io->oerr_num	= 0;
 	io->uerr_num	= 0;
+	spin_unlock_irqrestore(&master->lock, flags);
 }
 
-static int fsi_get_fifo_data_num(struct fsi_priv *fsi, int is_play)
+static int fsi_get_current_fifo_samples(struct fsi_priv *fsi, int is_play)
 {
 	u32 status;
-	int data_num;
+	int frames;
 
 	status = is_play ?
 		fsi_reg_read(fsi, DOFF_ST) :
 		fsi_reg_read(fsi, DIFF_ST);
 
-	data_num = 0x1ff & (status >> 8);
-	data_num *= fsi->chan_num;
+	frames = 0x1ff & (status >> 8);
 
-	return data_num;
-}
-
-static int fsi_len2num(int len, int width)
-{
-	return len / width;
-}
-
-#define fsi_num2offset(a, b) fsi_num2len(a, b)
-static int fsi_num2len(int num, int width)
-{
-	return num * width;
-}
-
-static int fsi_get_frame_width(struct fsi_priv *fsi, int is_play)
-{
-	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
-	struct snd_pcm_substream *substream = io->substream;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-
-	return frames_to_bytes(runtime, 1) / fsi->chan_num;
+	return fsi_frame2sample(fsi, frames);
 }
 
 static void fsi_count_fifo_err(struct fsi_priv *fsi)
@@ -444,8 +476,10 @@
 {
 	int is_play = fsi_stream_is_play(stream);
 	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+	struct snd_pcm_runtime *runtime = io->substream->runtime;
 
-	return io->substream->runtime->dma_area + io->buff_offset;
+	return runtime->dma_area +
+		samples_to_bytes(runtime, io->buff_sample_pos);
 }
 
 static void fsi_dma_soft_push16(struct fsi_priv *fsi, int num)
@@ -559,37 +593,94 @@
 /*
  *		clock function
  */
-#define fsi_module_init(m, d)	__fsi_module_clk_ctrl(m, d, 1)
-#define fsi_module_kill(m, d)	__fsi_module_clk_ctrl(m, d, 0)
-static void __fsi_module_clk_ctrl(struct fsi_master *master,
-				  struct device *dev,
-				  int enable)
-{
-	pm_runtime_get_sync(dev);
-
-	if (enable) {
-		/* enable only SR */
-		fsi_master_mask_set(master, SOFT_RST, FSISR, FSISR);
-		fsi_master_mask_set(master, SOFT_RST, PASR | PBSR, 0);
-	} else {
-		/* clear all registers */
-		fsi_master_mask_set(master, SOFT_RST, FSISR, 0);
-	}
-
-	pm_runtime_put_sync(dev);
-}
-
-#define fsi_port_start(f)	__fsi_port_clk_ctrl(f, 1)
-#define fsi_port_stop(f)	__fsi_port_clk_ctrl(f, 0)
-static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int enable)
+static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
+			      long rate, int enable)
 {
 	struct fsi_master *master = fsi_get_master(fsi);
-	u32 soft = fsi_is_port_a(fsi) ? PASR : PBSR;
-	u32 clk  = fsi_is_port_a(fsi) ? CRA  : CRB;
-	int is_master = fsi_is_clk_master(fsi);
+	set_rate_func set_rate = fsi_get_info_set_rate(master);
+	int fsi_ver = master->core->ver;
+	int ret;
 
-	fsi_master_mask_set(master, SOFT_RST, soft, (enable) ? soft : 0);
-	if (is_master)
+	ret = set_rate(dev, fsi_is_port_a(fsi), rate, enable);
+	if (ret < 0) /* error */
+		return ret;
+
+	if (!enable)
+		return 0;
+
+	if (ret > 0) {
+		u32 data = 0;
+
+		switch (ret & SH_FSI_ACKMD_MASK) {
+		default:
+			/* FALL THROUGH */
+		case SH_FSI_ACKMD_512:
+			data |= (0x0 << 12);
+			break;
+		case SH_FSI_ACKMD_256:
+			data |= (0x1 << 12);
+			break;
+		case SH_FSI_ACKMD_128:
+			data |= (0x2 << 12);
+			break;
+		case SH_FSI_ACKMD_64:
+			data |= (0x3 << 12);
+			break;
+		case SH_FSI_ACKMD_32:
+			if (fsi_ver < 2)
+				dev_err(dev, "unsupported ACKMD\n");
+			else
+				data |= (0x4 << 12);
+			break;
+		}
+
+		switch (ret & SH_FSI_BPFMD_MASK) {
+		default:
+			/* FALL THROUGH */
+		case SH_FSI_BPFMD_32:
+			data |= (0x0 << 8);
+			break;
+		case SH_FSI_BPFMD_64:
+			data |= (0x1 << 8);
+			break;
+		case SH_FSI_BPFMD_128:
+			data |= (0x2 << 8);
+			break;
+		case SH_FSI_BPFMD_256:
+			data |= (0x3 << 8);
+			break;
+		case SH_FSI_BPFMD_512:
+			data |= (0x4 << 8);
+			break;
+		case SH_FSI_BPFMD_16:
+			if (fsi_ver < 2)
+				dev_err(dev, "unsupported ACKMD\n");
+			else
+				data |= (0x7 << 8);
+			break;
+		}
+
+		fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
+		udelay(10);
+		ret = 0;
+	}
+
+	return ret;
+}
+
+#define fsi_port_start(f, i)	__fsi_port_clk_ctrl(f, i, 1)
+#define fsi_port_stop(f, i)	__fsi_port_clk_ctrl(f, i, 0)
+static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
+{
+	struct fsi_master *master = fsi_get_master(fsi);
+	u32 clk  = fsi_is_port_a(fsi) ? CRA  : CRB;
+
+	if (enable)
+		fsi_irq_enable(fsi, is_play);
+	else
+		fsi_irq_disable(fsi, is_play);
+
+	if (fsi_is_clk_master(fsi))
 		fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
 }
 
@@ -598,18 +689,19 @@
  */
 static void fsi_fifo_init(struct fsi_priv *fsi,
 			  int is_play,
-			  struct snd_soc_dai *dai)
+			  struct device *dev)
 {
 	struct fsi_master *master = fsi_get_master(fsi);
 	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
 	u32 shift, i;
+	int frame_capa;
 
 	/* get on-chip RAM capacity */
 	shift = fsi_master_read(master, FIFO_SZ);
 	shift >>= fsi_get_port_shift(fsi, is_play);
 	shift &= FIFO_SZ_MASK;
-	io->fifo_max_num = 256 << shift;
-	dev_dbg(dai->dev, "fifo = %d words\n", io->fifo_max_num);
+	frame_capa = 256 << shift;
+	dev_dbg(dev, "fifo = %d words\n", frame_capa);
 
 	/*
 	 * The maximum number of sample data varies depending
@@ -631,9 +723,11 @@
 	 * 8 channels:  32 ( 32 x 8 = 256)
 	 */
 	for (i = 1; i < fsi->chan_num; i <<= 1)
-		io->fifo_max_num >>= 1;
-	dev_dbg(dai->dev, "%d channel %d store\n",
-		fsi->chan_num, io->fifo_max_num);
+		frame_capa >>= 1;
+	dev_dbg(dev, "%d channel %d store\n",
+		fsi->chan_num, frame_capa);
+
+	io->fifo_sample_capa = fsi_frame2sample(fsi, frame_capa);
 
 	/*
 	 * set interrupt generation factor
@@ -654,10 +748,10 @@
 	struct snd_pcm_substream *substream = NULL;
 	int is_play = fsi_stream_is_play(stream);
 	struct fsi_stream *io = fsi_get_stream(fsi, is_play);
-	int data_residue_num;
-	int data_num;
-	int data_num_max;
-	int ch_width;
+	int sample_residues;
+	int sample_width;
+	int samples;
+	int samples_max;
 	int over_period;
 	void (*fn)(struct fsi_priv *fsi, int size);
 
@@ -673,36 +767,35 @@
 	/* FSI FIFO has limit.
 	 * So, this driver can not send periods data at a time
 	 */
-	if (io->buff_offset >=
-	    fsi_num2offset(io->period_num + 1, io->period_len)) {
+	if (io->buff_sample_pos >=
+	    io->period_samples * (io->period_pos + 1)) {
 
 		over_period = 1;
-		io->period_num = (io->period_num + 1) % runtime->periods;
+		io->period_pos = (io->period_pos + 1) % runtime->periods;
 
-		if (0 == io->period_num)
-			io->buff_offset = 0;
+		if (0 == io->period_pos)
+			io->buff_sample_pos = 0;
 	}
 
-	/* get 1 channel data width */
-	ch_width = fsi_get_frame_width(fsi, is_play);
+	/* get 1 sample data width */
+	sample_width = samples_to_bytes(runtime, 1);
 
-	/* get residue data number of alsa */
-	data_residue_num = fsi_len2num(io->buff_len - io->buff_offset,
-				       ch_width);
+	/* get number of residue samples */
+	sample_residues = io->buff_sample_capa - io->buff_sample_pos;
 
 	if (is_play) {
 		/*
 		 * for play-back
 		 *
-		 * data_num_max	: number of FSI fifo free space
-		 * data_num	: number of ALSA residue data
+		 * samples_max	: number of FSI fifo free samples space
+		 * samples	: number of ALSA residue samples
 		 */
-		data_num_max  = io->fifo_max_num * fsi->chan_num;
-		data_num_max -= fsi_get_fifo_data_num(fsi, is_play);
+		samples_max  = io->fifo_sample_capa;
+		samples_max -= fsi_get_current_fifo_samples(fsi, is_play);
 
-		data_num = data_residue_num;
+		samples = sample_residues;
 
-		switch (ch_width) {
+		switch (sample_width) {
 		case 2:
 			fn = fsi_dma_soft_push16;
 			break;
@@ -716,13 +809,13 @@
 		/*
 		 * for capture
 		 *
-		 * data_num_max	: number of ALSA free space
-		 * data_num	: number of data in FSI fifo
+		 * samples_max	: number of ALSA free samples space
+		 * samples	: number of samples in FSI fifo
 		 */
-		data_num_max = data_residue_num;
-		data_num     = fsi_get_fifo_data_num(fsi, is_play);
+		samples_max = sample_residues;
+		samples     = fsi_get_current_fifo_samples(fsi, is_play);
 
-		switch (ch_width) {
+		switch (sample_width) {
 		case 2:
 			fn = fsi_dma_soft_pop16;
 			break;
@@ -734,12 +827,12 @@
 		}
 	}
 
-	data_num = min(data_num, data_num_max);
+	samples = min(samples, samples_max);
 
-	fn(fsi, data_num);
+	fn(fsi, samples);
 
-	/* update buff_offset */
-	io->buff_offset += fsi_num2offset(data_num, ch_width);
+	/* update buff_sample_pos */
+	io->buff_sample_pos += samples;
 
 	if (over_period)
 		snd_pcm_period_elapsed(substream);
@@ -788,16 +881,20 @@
  *		dai ops
  */
 
-static int fsi_dai_startup(struct snd_pcm_substream *substream,
-			   struct snd_soc_dai *dai)
+static int fsi_hw_startup(struct fsi_priv *fsi,
+			  int is_play,
+			  struct device *dev)
 {
-	struct fsi_priv *fsi = fsi_get_priv(substream);
 	u32 flags = fsi_get_info_flags(fsi);
-	u32 data;
-	int is_play = fsi_is_play(substream);
+	u32 data = 0;
 
-	pm_runtime_get_sync(dai->dev);
+	pm_runtime_get_sync(dev);
 
+	/* clock setting */
+	if (fsi_is_clk_master(fsi))
+		data = DIMD | DOMD;
+
+	fsi_reg_mask_set(fsi, CKG1, (DIMD | DOMD), data);
 
 	/* clock inversion (CKG2) */
 	data = 0;
@@ -812,54 +909,70 @@
 
 	fsi_reg_write(fsi, CKG2, data);
 
+	/* set format */
+	fsi_reg_write(fsi, DO_FMT, fsi->do_fmt);
+	fsi_reg_write(fsi, DI_FMT, fsi->di_fmt);
+
+	/* spdif ? */
+	if (fsi_is_spdif(fsi)) {
+		fsi_spdif_clk_ctrl(fsi, 1);
+		fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD);
+	}
+
 	/* irq clear */
 	fsi_irq_disable(fsi, is_play);
 	fsi_irq_clear_status(fsi);
 
 	/* fifo init */
-	fsi_fifo_init(fsi, is_play, dai);
+	fsi_fifo_init(fsi, is_play, dev);
 
 	return 0;
 }
 
+static void fsi_hw_shutdown(struct fsi_priv *fsi,
+			    int is_play,
+			    struct device *dev)
+{
+	if (fsi_is_clk_master(fsi))
+		fsi_set_master_clk(dev, fsi, fsi->rate, 0);
+
+	pm_runtime_put_sync(dev);
+}
+
+static int fsi_dai_startup(struct snd_pcm_substream *substream,
+			   struct snd_soc_dai *dai)
+{
+	struct fsi_priv *fsi = fsi_get_priv(substream);
+	int is_play = fsi_is_play(substream);
+
+	return fsi_hw_startup(fsi, is_play, dai->dev);
+}
+
 static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
 			     struct snd_soc_dai *dai)
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
 	int is_play = fsi_is_play(substream);
-	struct fsi_master *master = fsi_get_master(fsi);
-	set_rate_func set_rate = fsi_get_info_set_rate(master);
 
-	fsi_irq_disable(fsi, is_play);
-
-	if (fsi_is_clk_master(fsi))
-		set_rate(dai->dev, fsi_is_port_a(fsi), fsi->rate, 0);
-
+	fsi_hw_shutdown(fsi, is_play, dai->dev);
 	fsi->rate = 0;
-
-	pm_runtime_put_sync(dai->dev);
 }
 
 static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 			   struct snd_soc_dai *dai)
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
 	int is_play = fsi_is_play(substream);
 	int ret = 0;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		fsi_stream_push(fsi, is_play, substream,
-				frames_to_bytes(runtime, runtime->buffer_size),
-				frames_to_bytes(runtime, runtime->period_size));
+		fsi_stream_push(fsi, is_play, substream);
 		ret = is_play ? fsi_data_push(fsi) : fsi_data_pop(fsi);
-		fsi_irq_enable(fsi, is_play);
-		fsi_port_start(fsi);
+		fsi_port_start(fsi, is_play);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		fsi_port_stop(fsi);
-		fsi_irq_disable(fsi, is_play);
+		fsi_port_stop(fsi, is_play);
 		fsi_stream_pop(fsi, is_play);
 		break;
 	}
@@ -884,8 +997,8 @@
 		return -EINVAL;
 	}
 
-	fsi_reg_write(fsi, DO_FMT, data);
-	fsi_reg_write(fsi, DI_FMT, data);
+	fsi->do_fmt = data;
+	fsi->di_fmt = data;
 
 	return 0;
 }
@@ -900,11 +1013,10 @@
 
 	data = CR_BWS_16 | CR_DTMD_SPDIF_PCM | CR_PCM;
 	fsi->chan_num = 2;
-	fsi_spdif_clk_ctrl(fsi, 1);
-	fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD);
+	fsi->spdif = 1;
 
-	fsi_reg_write(fsi, DO_FMT, data);
-	fsi_reg_write(fsi, DI_FMT, data);
+	fsi->do_fmt = data;
+	fsi->di_fmt = data;
 
 	return 0;
 }
@@ -915,32 +1027,24 @@
 	struct fsi_master *master = fsi_get_master(fsi);
 	set_rate_func set_rate = fsi_get_info_set_rate(master);
 	u32 flags = fsi_get_info_flags(fsi);
-	u32 data = 0;
 	int ret;
 
-	pm_runtime_get_sync(dai->dev);
-
 	/* set master/slave audio interface */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBM_CFM:
-		data = DIMD | DOMD;
 		fsi->clk_master = 1;
 		break;
 	case SND_SOC_DAIFMT_CBS_CFS:
 		break;
 	default:
-		ret = -EINVAL;
-		goto set_fmt_exit;
+		return -EINVAL;
 	}
 
 	if (fsi_is_clk_master(fsi) && !set_rate) {
 		dev_err(dai->dev, "platform doesn't have set_rate\n");
-		ret = -EINVAL;
-		goto set_fmt_exit;
+		return -EINVAL;
 	}
 
-	fsi_reg_mask_set(fsi, CKG1, (DIMD | DOMD), data);
-
 	/* set format */
 	switch (flags & SH_FSI_FMT_MASK) {
 	case SH_FSI_FMT_DAI:
@@ -953,9 +1057,6 @@
 		ret = -EINVAL;
 	}
 
-set_fmt_exit:
-	pm_runtime_put_sync(dai->dev);
-
 	return ret;
 }
 
@@ -964,79 +1065,19 @@
 			     struct snd_soc_dai *dai)
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
-	struct fsi_master *master = fsi_get_master(fsi);
-	set_rate_func set_rate = fsi_get_info_set_rate(master);
-	int fsi_ver = master->core->ver;
 	long rate = params_rate(params);
 	int ret;
 
 	if (!fsi_is_clk_master(fsi))
 		return 0;
 
-	ret = set_rate(dai->dev, fsi_is_port_a(fsi), rate, 1);
-	if (ret < 0) /* error */
+	ret = fsi_set_master_clk(dai->dev, fsi, rate, 1);
+	if (ret < 0)
 		return ret;
 
 	fsi->rate = rate;
-	if (ret > 0) {
-		u32 data = 0;
-
-		switch (ret & SH_FSI_ACKMD_MASK) {
-		default:
-			/* FALL THROUGH */
-		case SH_FSI_ACKMD_512:
-			data |= (0x0 << 12);
-			break;
-		case SH_FSI_ACKMD_256:
-			data |= (0x1 << 12);
-			break;
-		case SH_FSI_ACKMD_128:
-			data |= (0x2 << 12);
-			break;
-		case SH_FSI_ACKMD_64:
-			data |= (0x3 << 12);
-			break;
-		case SH_FSI_ACKMD_32:
-			if (fsi_ver < 2)
-				dev_err(dai->dev, "unsupported ACKMD\n");
-			else
-				data |= (0x4 << 12);
-			break;
-		}
-
-		switch (ret & SH_FSI_BPFMD_MASK) {
-		default:
-			/* FALL THROUGH */
-		case SH_FSI_BPFMD_32:
-			data |= (0x0 << 8);
-			break;
-		case SH_FSI_BPFMD_64:
-			data |= (0x1 << 8);
-			break;
-		case SH_FSI_BPFMD_128:
-			data |= (0x2 << 8);
-			break;
-		case SH_FSI_BPFMD_256:
-			data |= (0x3 << 8);
-			break;
-		case SH_FSI_BPFMD_512:
-			data |= (0x4 << 8);
-			break;
-		case SH_FSI_BPFMD_16:
-			if (fsi_ver < 2)
-				dev_err(dai->dev, "unsupported ACKMD\n");
-			else
-				data |= (0x7 << 8);
-			break;
-		}
-
-		fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
-		udelay(10);
-		ret = 0;
-	}
 
 	return ret;
-
 }
 
 static struct snd_soc_dai_ops fsi_dai_ops = {
@@ -1097,16 +1138,14 @@
 
 static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream)
 {
-	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsi_priv *fsi = fsi_get_priv(substream);
 	struct fsi_stream *io = fsi_get_stream(fsi, fsi_is_play(substream));
-	long location;
+	int samples_pos = io->buff_sample_pos - 1;
 
-	location = (io->buff_offset - 1);
-	if (location < 0)
-		location = 0;
+	if (samples_pos < 0)
+		samples_pos = 0;
 
-	return bytes_to_frames(runtime, location);
+	return fsi_sample2frame(fsi, samples_pos);
 }
 
 static struct snd_pcm_ops fsi_pcm_ops = {
@@ -1246,8 +1285,6 @@
 	pm_runtime_enable(&pdev->dev);
 	dev_set_drvdata(&pdev->dev, master);
 
-	fsi_module_init(master, &pdev->dev);
-
 	ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED,
 			  id_entry->name, master);
 	if (ret) {
@@ -1290,8 +1327,6 @@
 
 	master = dev_get_drvdata(&pdev->dev);
 
-	fsi_module_kill(master, &pdev->dev);
-
 	free_irq(master->irq, master);
 	pm_runtime_disable(&pdev->dev);
 
@@ -1305,53 +1340,43 @@
 }
 
 static void __fsi_suspend(struct fsi_priv *fsi,
-			  struct device *dev,
-			  set_rate_func set_rate)
+			  int is_play,
+			  struct device *dev)
 {
-	fsi->saved_do_fmt	= fsi_reg_read(fsi, DO_FMT);
-	fsi->saved_di_fmt	= fsi_reg_read(fsi, DI_FMT);
-	fsi->saved_ckg1		= fsi_reg_read(fsi, CKG1);
-	fsi->saved_ckg2		= fsi_reg_read(fsi, CKG2);
-	fsi->saved_out_sel	= fsi_reg_read(fsi, OUT_SEL);
+	if (!fsi_stream_is_working(fsi, is_play))
+		return;
 
-	if (fsi_is_clk_master(fsi))
-		set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 0);
+	fsi_port_stop(fsi, is_play);
+	fsi_hw_shutdown(fsi, is_play, dev);
 }
 
 static void __fsi_resume(struct fsi_priv *fsi,
-			 struct device *dev,
-			 set_rate_func set_rate)
+			 int is_play,
+			 struct device *dev)
 {
-	fsi_reg_write(fsi, DO_FMT,	fsi->saved_do_fmt);
-	fsi_reg_write(fsi, DI_FMT,	fsi->saved_di_fmt);
-	fsi_reg_write(fsi, CKG1,	fsi->saved_ckg1);
-	fsi_reg_write(fsi, CKG2,	fsi->saved_ckg2);
-	fsi_reg_write(fsi, OUT_SEL,	fsi->saved_out_sel);
+	if (!fsi_stream_is_working(fsi, is_play))
+		return;
 
-	if (fsi_is_clk_master(fsi))
-		set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 1);
+	fsi_hw_startup(fsi, is_play, dev);
+
+	if (fsi_is_clk_master(fsi) && fsi->rate)
+		fsi_set_master_clk(dev, fsi, fsi->rate, 1);
+
+	fsi_port_start(fsi, is_play);
+
 }
 
 static int fsi_suspend(struct device *dev)
 {
 	struct fsi_master *master = dev_get_drvdata(dev);
-	set_rate_func set_rate = fsi_get_info_set_rate(master);
+	struct fsi_priv *fsia = &master->fsia;
+	struct fsi_priv *fsib = &master->fsib;
 
-	pm_runtime_get_sync(dev);
+	__fsi_suspend(fsia, 1, dev);
+	__fsi_suspend(fsia, 0, dev);
 
-	__fsi_suspend(&master->fsia, dev, set_rate);
-	__fsi_suspend(&master->fsib, dev, set_rate);
-
-	master->saved_a_mclk	= fsi_core_read(master, a_mclk);
-	master->saved_b_mclk	= fsi_core_read(master, b_mclk);
-	master->saved_iemsk	= fsi_core_read(master, iemsk);
-	master->saved_imsk	= fsi_core_read(master, imsk);
-	master->saved_clk_rst	= fsi_master_read(master, CLK_RST);
-	master->saved_soft_rst	= fsi_master_read(master, SOFT_RST);
-
-	fsi_module_kill(master, dev);
-
-	pm_runtime_put_sync(dev);
+	__fsi_suspend(fsib, 1, dev);
+	__fsi_suspend(fsib, 0, dev);
 
 	return 0;
 }
@@ -1359,23 +1384,14 @@
 static int fsi_resume(struct device *dev)
 {
 	struct fsi_master *master = dev_get_drvdata(dev);
-	set_rate_func set_rate = fsi_get_info_set_rate(master);
+	struct fsi_priv *fsia = &master->fsia;
+	struct fsi_priv *fsib = &master->fsib;
 
-	pm_runtime_get_sync(dev);
+	__fsi_resume(fsia, 1, dev);
+	__fsi_resume(fsia, 0, dev);
 
-	fsi_module_init(master, dev);
-
-	fsi_master_mask_set(master, SOFT_RST, 0xffff, master->saved_soft_rst);
-	fsi_master_mask_set(master, CLK_RST, 0xffff, master->saved_clk_rst);
-	fsi_core_mask_set(master, a_mclk, 0xffff, master->saved_a_mclk);
-	fsi_core_mask_set(master, b_mclk, 0xffff, master->saved_b_mclk);
-	fsi_core_mask_set(master, iemsk, 0xffff, master->saved_iemsk);
-	fsi_core_mask_set(master, imsk, 0xffff, master->saved_imsk);
-
-	__fsi_resume(&master->fsia, dev, set_rate);
-	__fsi_resume(&master->fsib, dev, set_rate);
-
-	pm_runtime_put_sync(dev);
+	__fsi_resume(fsib, 1, dev);
+	__fsi_resume(fsib, 0, dev);
 
 	return 0;
 }
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index c005ceb..cad70c9 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -107,12 +107,11 @@
 static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
 			     unsigned int value)
 {
-	u8 data[2];
+	u16 data;
 
-	data[0] = (reg << 1) | ((value >> 8) & 0x0001);
-	data[1] = value & 0x00ff;
+	data = cpu_to_be16((reg << 9) | (value & 0x1ff));
 
-	return do_hw_write(codec, reg, value, data, 2);
+	return do_hw_write(codec, reg, value, &data, 2);
 }
 
 static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -137,10 +136,10 @@
 			      unsigned int value)
 {
 	u8 data[3];
+	u16 val = cpu_to_be16(value);
 
 	data[0] = reg;
-	data[1] = (value >> 8) & 0xff;
-	data[2] = value & 0xff;
+	memcpy(&data[1], &val, sizeof(val));
 
 	return do_hw_write(codec, reg, value, data, 3);
 }
@@ -243,9 +242,9 @@
 			      unsigned int value)
 {
 	u8 data[3];
+	u16 rval = cpu_to_be16(reg);
 
-	data[0] = (reg >> 8) & 0xff;
-	data[1] = reg & 0xff;
+	memcpy(data, &rval, sizeof(rval));
 	data[2] = value;
 
 	return do_hw_write(codec, reg, value, data, 3);
@@ -277,14 +276,12 @@
 static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
 			       unsigned int value)
 {
-	u8 data[4];
+	u16 data[2];
 
-	data[0] = (reg >> 8) & 0xff;
-	data[1] = reg & 0xff;
-	data[2] = (value >> 8) & 0xff;
-	data[3] = value & 0xff;
+	data[0] = cpu_to_be16(reg);
+	data[1] = cpu_to_be16(value);
 
-	return do_hw_write(codec, reg, value, data, 4);
+	return do_hw_write(codec, reg, value, data, sizeof(data));
 }
 
 /* Primitive bulk write support for soc-cache.  The data pointed to by
@@ -486,31 +483,86 @@
 }
 
 struct snd_soc_rbtree_node {
-	struct rb_node node;
-	unsigned int reg;
-	unsigned int value;
-	unsigned int defval;
+	struct rb_node node; /* the actual rbtree node holding this block */
+	unsigned int base_reg; /* base register handled by this block */
+	unsigned int word_size; /* number of bytes needed to represent the register index */
+	void *block; /* block of adjacent registers */
+	unsigned int blklen; /* number of registers available in the block */
 } __attribute__ ((packed));
 
 struct snd_soc_rbtree_ctx {
 	struct rb_root root;
+	struct snd_soc_rbtree_node *cached_rbnode;
 };
 
+static inline void snd_soc_rbtree_get_base_top_reg(
+	struct snd_soc_rbtree_node *rbnode,
+	unsigned int *base, unsigned int *top)
+{
+	*base = rbnode->base_reg;
+	*top = rbnode->base_reg + rbnode->blklen - 1;
+}
+
+static unsigned int snd_soc_rbtree_get_register(
+	struct snd_soc_rbtree_node *rbnode, unsigned int idx)
+{
+	unsigned int val;
+
+	switch (rbnode->word_size) {
+	case 1: {
+		u8 *p = rbnode->block;
+		val = p[idx];
+		return val;
+	}
+	case 2: {
+		u16 *p = rbnode->block;
+		val = p[idx];
+		return val;
+	}
+	default:
+		BUG();
+		break;
+	}
+	return -1;
+}
+
+static void snd_soc_rbtree_set_register(struct snd_soc_rbtree_node *rbnode,
+					unsigned int idx, unsigned int val)
+{
+	switch (rbnode->word_size) {
+	case 1: {
+		u8 *p = rbnode->block;
+		p[idx] = val;
+		break;
+	}
+	case 2: {
+		u16 *p = rbnode->block;
+		p[idx] = val;
+		break;
+	}
+	default:
+		BUG();
+		break;
+	}
+}
+
 static struct snd_soc_rbtree_node *snd_soc_rbtree_lookup(
 	struct rb_root *root, unsigned int reg)
 {
 	struct rb_node *node;
 	struct snd_soc_rbtree_node *rbnode;
+	unsigned int base_reg, top_reg;
 
 	node = root->rb_node;
 	while (node) {
 		rbnode = container_of(node, struct snd_soc_rbtree_node, node);
-		if (rbnode->reg < reg)
-			node = node->rb_left;
-		else if (rbnode->reg > reg)
-			node = node->rb_right;
-		else
+		snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+		if (reg >= base_reg && reg <= top_reg)
 			return rbnode;
+		else if (reg > top_reg)
+			node = node->rb_right;
+		else if (reg < base_reg)
+			node = node->rb_left;
 	}
 
 	return NULL;
@@ -521,19 +573,28 @@
 {
 	struct rb_node **new, *parent;
 	struct snd_soc_rbtree_node *rbnode_tmp;
+	unsigned int base_reg_tmp, top_reg_tmp;
+	unsigned int base_reg;
 
 	parent = NULL;
 	new = &root->rb_node;
 	while (*new) {
 		rbnode_tmp = container_of(*new, struct snd_soc_rbtree_node,
 					  node);
+		/* base and top registers of the current rbnode */
+		snd_soc_rbtree_get_base_top_reg(rbnode_tmp, &base_reg_tmp,
+						&top_reg_tmp);
+		/* base register of the rbnode to be added */
+		base_reg = rbnode->base_reg;
 		parent = *new;
-		if (rbnode_tmp->reg < rbnode->reg)
-			new = &((*new)->rb_left);
-		else if (rbnode_tmp->reg > rbnode->reg)
-			new = &((*new)->rb_right);
-		else
+		/* if this register has already been inserted, just return */
+		if (base_reg >= base_reg_tmp &&
+		    base_reg <= top_reg_tmp)
 			return 0;
+		else if (base_reg > top_reg_tmp)
+			new = &((*new)->rb_right);
+		else if (base_reg < base_reg_tmp)
+			new = &((*new)->rb_left);
 	}
 
 	/* insert the node into the rbtree */
@@ -548,58 +609,141 @@
 	struct snd_soc_rbtree_ctx *rbtree_ctx;
 	struct rb_node *node;
 	struct snd_soc_rbtree_node *rbnode;
+	unsigned int regtmp;
 	unsigned int val;
 	int ret;
+	int i;
 
 	rbtree_ctx = codec->reg_cache;
 	for (node = rb_first(&rbtree_ctx->root); node; node = rb_next(node)) {
 		rbnode = rb_entry(node, struct snd_soc_rbtree_node, node);
-		if (rbnode->value == rbnode->defval)
-			continue;
-		WARN_ON(codec->writable_register &&
-			codec->writable_register(codec, rbnode->reg));
-		ret = snd_soc_cache_read(codec, rbnode->reg, &val);
-		if (ret)
-			return ret;
-		codec->cache_bypass = 1;
-		ret = snd_soc_write(codec, rbnode->reg, val);
-		codec->cache_bypass = 0;
-		if (ret)
-			return ret;
-		dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
-			rbnode->reg, val);
+		for (i = 0; i < rbnode->blklen; ++i) {
+			regtmp = rbnode->base_reg + i;
+			WARN_ON(codec->writable_register &&
+				codec->writable_register(codec, regtmp));
+			val = snd_soc_rbtree_get_register(rbnode, i);
+			codec->cache_bypass = 1;
+			ret = snd_soc_write(codec, regtmp, val);
+			codec->cache_bypass = 0;
+			if (ret)
+				return ret;
+			dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
+				regtmp, val);
+		}
 	}
 
 	return 0;
 }
 
+static int snd_soc_rbtree_insert_to_block(struct snd_soc_rbtree_node *rbnode,
+					  unsigned int pos, unsigned int reg,
+					  unsigned int value)
+{
+	u8 *blk;
+
+	blk = krealloc(rbnode->block,
+		       (rbnode->blklen + 1) * rbnode->word_size, GFP_KERNEL);
+	if (!blk)
+		return -ENOMEM;
+
+	/* insert the register value in the correct place in the rbnode block */
+	memmove(blk + (pos + 1) * rbnode->word_size,
+		blk + pos * rbnode->word_size,
+		(rbnode->blklen - pos) * rbnode->word_size);
+
+	/* update the rbnode block, its size and the base register */
+	rbnode->block = blk;
+	rbnode->blklen++;
+	if (!pos)
+		rbnode->base_reg = reg;
+
+	snd_soc_rbtree_set_register(rbnode, pos, value);
+	return 0;
+}
+
 static int snd_soc_rbtree_cache_write(struct snd_soc_codec *codec,
 				      unsigned int reg, unsigned int value)
 {
 	struct snd_soc_rbtree_ctx *rbtree_ctx;
-	struct snd_soc_rbtree_node *rbnode;
+	struct snd_soc_rbtree_node *rbnode, *rbnode_tmp;
+	struct rb_node *node;
+	unsigned int val;
+	unsigned int reg_tmp;
+	unsigned int base_reg, top_reg;
+	unsigned int pos;
+	int i;
+	int ret;
 
 	rbtree_ctx = codec->reg_cache;
+	/* look up the required register in the cached rbnode */
+	rbnode = rbtree_ctx->cached_rbnode;
+	if (rbnode) {
+		snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+		if (reg >= base_reg && reg <= top_reg) {
+			reg_tmp = reg - base_reg;
+			val = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+			if (val == value)
+				return 0;
+			snd_soc_rbtree_set_register(rbnode, reg_tmp, value);
+			return 0;
+		}
+	}
+	/* if we can't locate it in the cached rbnode we'll have
+	 * to traverse the rbtree looking for it.
+	 */
 	rbnode = snd_soc_rbtree_lookup(&rbtree_ctx->root, reg);
 	if (rbnode) {
-		if (rbnode->value == value)
+		reg_tmp = reg - rbnode->base_reg;
+		val = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+		if (val == value)
 			return 0;
-		rbnode->value = value;
+		snd_soc_rbtree_set_register(rbnode, reg_tmp, value);
+		rbtree_ctx->cached_rbnode = rbnode;
 	} else {
 		/* bail out early, no need to create the rbnode yet */
 		if (!value)
 			return 0;
-		/*
-		 * for uninitialized registers whose value is changed
-		 * from the default zero, create an rbnode and insert
-		 * it into the tree.
+		/* look for an adjacent register to the one we are about to add */
+		for (node = rb_first(&rbtree_ctx->root); node;
+		     node = rb_next(node)) {
+			rbnode_tmp = rb_entry(node, struct snd_soc_rbtree_node, node);
+			for (i = 0; i < rbnode_tmp->blklen; ++i) {
+				reg_tmp = rbnode_tmp->base_reg + i;
+				if (abs(reg_tmp - reg) != 1)
+					continue;
+				/* decide where in the block to place our register */
+				if (reg_tmp + 1 == reg)
+					pos = i + 1;
+				else
+					pos = i;
+				ret = snd_soc_rbtree_insert_to_block(rbnode_tmp, pos,
+								     reg, value);
+				if (ret)
+					return ret;
+				rbtree_ctx->cached_rbnode = rbnode_tmp;
+				return 0;
+			}
+		}
+		/* we did not manage to find a place to insert it in an existing
+		 * block so create a new rbnode with a single register in its block.
+		 * This block will get populated further if any other adjacent
+		 * registers get modified in the future.
 		 */
 		rbnode = kzalloc(sizeof *rbnode, GFP_KERNEL);
 		if (!rbnode)
 			return -ENOMEM;
-		rbnode->reg = reg;
-		rbnode->value = value;
+		rbnode->blklen = 1;
+		rbnode->base_reg = reg;
+		rbnode->word_size = codec->driver->reg_word_size;
+		rbnode->block = kmalloc(rbnode->blklen * rbnode->word_size,
+					GFP_KERNEL);
+		if (!rbnode->block) {
+			kfree(rbnode);
+			return -ENOMEM;
+		}
+		snd_soc_rbtree_set_register(rbnode, 0, value);
 		snd_soc_rbtree_insert(&rbtree_ctx->root, rbnode);
+		rbtree_ctx->cached_rbnode = rbnode;
 	}
 
 	return 0;
@@ -610,11 +754,28 @@
 {
 	struct snd_soc_rbtree_ctx *rbtree_ctx;
 	struct snd_soc_rbtree_node *rbnode;
+	unsigned int base_reg, top_reg;
+	unsigned int reg_tmp;
 
 	rbtree_ctx = codec->reg_cache;
+	/* look up the required register in the cached rbnode */
+	rbnode = rbtree_ctx->cached_rbnode;
+	if (rbnode) {
+		snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+		if (reg >= base_reg && reg <= top_reg) {
+			reg_tmp = reg - base_reg;
+			*value = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+			return 0;
+		}
+	}
+	/* if we can't locate it in the cached rbnode we'll have
+	 * to traverse the rbtree looking for it.
+	 */
 	rbnode = snd_soc_rbtree_lookup(&rbtree_ctx->root, reg);
 	if (rbnode) {
-		*value = rbnode->value;
+		reg_tmp = reg - rbnode->base_reg;
+		*value = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+		rbtree_ctx->cached_rbnode = rbnode;
 	} else {
 		/* uninitialized registers default to 0 */
 		*value = 0;
@@ -640,6 +801,7 @@
 		rbtree_node = rb_entry(next, struct snd_soc_rbtree_node, node);
 		next = rb_next(&rbtree_node->node);
 		rb_erase(&rbtree_node->node, &rbtree_ctx->root);
+		kfree(rbtree_node->block);
 		kfree(rbtree_node);
 	}
 
@@ -652,10 +814,9 @@
 
 static int snd_soc_rbtree_cache_init(struct snd_soc_codec *codec)
 {
-	struct snd_soc_rbtree_node *rbtree_node;
 	struct snd_soc_rbtree_ctx *rbtree_ctx;
-	unsigned int val;
 	unsigned int word_size;
+	unsigned int val;
 	int i;
 	int ret;
 
@@ -665,32 +826,27 @@
 
 	rbtree_ctx = codec->reg_cache;
 	rbtree_ctx->root = RB_ROOT;
+	rbtree_ctx->cached_rbnode = NULL;
 
 	if (!codec->reg_def_copy)
 		return 0;
 
-	/*
-	 * populate the rbtree with the initialized registers.  All other
-	 * registers will be inserted when they are first modified.
-	 */
 	word_size = codec->driver->reg_word_size;
 	for (i = 0; i < codec->driver->reg_cache_size; ++i) {
-		val = snd_soc_get_cache_val(codec->reg_def_copy, i, word_size);
+		val = snd_soc_get_cache_val(codec->reg_def_copy, i,
+					    word_size);
 		if (!val)
 			continue;
-		rbtree_node = kzalloc(sizeof *rbtree_node, GFP_KERNEL);
-		if (!rbtree_node) {
-			ret = -ENOMEM;
-			snd_soc_cache_exit(codec);
-			break;
-		}
-		rbtree_node->reg = i;
-		rbtree_node->value = val;
-		rbtree_node->defval = val;
-		snd_soc_rbtree_insert(&rbtree_ctx->root, rbtree_node);
+		ret = snd_soc_rbtree_cache_write(codec, i, val);
+		if (ret)
+			goto err;
 	}
 
 	return 0;
+
+err:
+	snd_soc_cache_exit(codec);
+	return ret;
 }
 
 #ifdef CONFIG_SND_SOC_CACHE_LZO
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d75043e..c53f5d5 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1256,7 +1256,7 @@
 int snd_soc_resume(struct device *dev)
 {
 	struct snd_soc_card *card = dev_get_drvdata(dev);
-	int i;
+	int i, ac97_control = 0;
 
 	/* AC97 devices might have other drivers hanging off them so
 	 * need to resume immediately.  Other drivers don't have that
@@ -1265,14 +1265,15 @@
 	 */
 	for (i = 0; i < card->num_rtd; i++) {
 		struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
-		if (cpu_dai->driver->ac97_control) {
-			dev_dbg(dev, "Resuming AC97 immediately\n");
-			soc_resume_deferred(&card->deferred_resume_work);
-		} else {
-			dev_dbg(dev, "Scheduling resume work\n");
-			if (!schedule_work(&card->deferred_resume_work))
-				dev_err(dev, "resume work item may be lost\n");
-		}
+		ac97_control |= cpu_dai->driver->ac97_control;
+	}
+	if (ac97_control) {
+		dev_dbg(dev, "Resuming AC97 immediately\n");
+		soc_resume_deferred(&card->deferred_resume_work);
+	} else {
+		dev_dbg(dev, "Scheduling resume work\n");
+		if (!schedule_work(&card->deferred_resume_work))
+			dev_err(dev, "resume work item may be lost\n");
 	}
 
 	return 0;
@@ -2322,7 +2323,7 @@
 		return ret;
 
 	old = ret;
-	new = (old & ~mask) | value;
+	new = (old & ~mask) | (value & mask);
 	change = old != new;
 	if (change) {
 		ret = snd_soc_write(codec, reg, new);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 776e6f4..34106bc 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -139,39 +139,26 @@
 	struct snd_soc_card *card = dapm->card;
 	int ret = 0;
 
-	switch (level) {
-	case SND_SOC_BIAS_ON:
-		dev_dbg(dapm->dev, "Setting full bias\n");
-		break;
-	case SND_SOC_BIAS_PREPARE:
-		dev_dbg(dapm->dev, "Setting bias prepare\n");
-		break;
-	case SND_SOC_BIAS_STANDBY:
-		dev_dbg(dapm->dev, "Setting standby bias\n");
-		break;
-	case SND_SOC_BIAS_OFF:
-		dev_dbg(dapm->dev, "Setting bias off\n");
-		break;
-	default:
-		dev_err(dapm->dev, "Setting invalid bias %d\n", level);
-		return -EINVAL;
-	}
-
 	trace_snd_soc_bias_level_start(card, level);
 
 	if (card && card->set_bias_level)
-		ret = card->set_bias_level(card, level);
-	if (ret == 0) {
-		if (dapm->codec && dapm->codec->driver->set_bias_level)
-			ret = dapm->codec->driver->set_bias_level(dapm->codec, level);
+		ret = card->set_bias_level(card, dapm, level);
+	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;
 	}
-	if (ret == 0) {
-		if (card && card->set_bias_level_post)
-			ret = card->set_bias_level_post(card, level);
-	}
+	if (ret != 0)
+		goto out;
 
+	if (card && card->set_bias_level_post)
+		ret = card->set_bias_level_post(card, dapm, level);
+out:
 	trace_snd_soc_bias_level_done(card, level);
 
 	return ret;
@@ -209,7 +196,7 @@
 		int val, item, bitmask;
 
 		for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
-		;
+			;
 		val = snd_soc_read(w->codec, e->reg);
 		item = (val >> e->shift_l) & (bitmask - 1);
 
@@ -1042,16 +1029,17 @@
 	struct snd_soc_dapm_context *d = data;
 	int ret;
 
-	if (d->dev_power && d->bias_level == SND_SOC_BIAS_OFF) {
+	/* If we're off and we're not supposed to be go into STANDBY */
+	if (d->bias_level == SND_SOC_BIAS_OFF &&
+	    d->target_bias_level != SND_SOC_BIAS_OFF) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
 		if (ret != 0)
 			dev_err(d->dev,
 				"Failed to turn on bias: %d\n", ret);
 	}
 
-	/* If we're changing to all on or all off then prepare */
-	if ((d->dev_power && d->bias_level == SND_SOC_BIAS_STANDBY) ||
-	    (!d->dev_power && d->bias_level == SND_SOC_BIAS_ON)) {
+	/* Prepare for a STADDBY->ON or ON->STANDBY transition */
+	if (d->bias_level != d->target_bias_level) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_PREPARE);
 		if (ret != 0)
 			dev_err(d->dev,
@@ -1068,7 +1056,9 @@
 	int ret;
 
 	/* If we just powered the last thing off drop to standby bias */
-	if (d->bias_level == SND_SOC_BIAS_PREPARE && !d->dev_power) {
+	if (d->bias_level == SND_SOC_BIAS_PREPARE &&
+	    (d->target_bias_level == SND_SOC_BIAS_STANDBY ||
+	     d->target_bias_level == SND_SOC_BIAS_OFF)) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
 		if (ret != 0)
 			dev_err(d->dev, "Failed to apply standby bias: %d\n",
@@ -1076,14 +1066,16 @@
 	}
 
 	/* If we're in standby and can support bias off then do that */
-	if (d->bias_level == SND_SOC_BIAS_STANDBY && d->idle_bias_off) {
+	if (d->bias_level == SND_SOC_BIAS_STANDBY &&
+	    d->target_bias_level == SND_SOC_BIAS_OFF) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF);
 		if (ret != 0)
 			dev_err(d->dev, "Failed to turn off bias: %d\n", ret);
 	}
 
 	/* If we just powered up then move to active bias */
-	if (d->bias_level == SND_SOC_BIAS_PREPARE && d->dev_power) {
+	if (d->bias_level == SND_SOC_BIAS_PREPARE &&
+	    d->target_bias_level == SND_SOC_BIAS_ON) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_ON);
 		if (ret != 0)
 			dev_err(d->dev, "Failed to apply active bias: %d\n",
@@ -1108,13 +1100,19 @@
 	LIST_HEAD(up_list);
 	LIST_HEAD(down_list);
 	LIST_HEAD(async_domain);
+	enum snd_soc_bias_level bias;
 	int power;
 
 	trace_snd_soc_dapm_start(card);
 
-	list_for_each_entry(d, &card->dapm_list, list)
-		if (d->n_widgets || d->codec == NULL)
-			d->dev_power = 0;
+	list_for_each_entry(d, &card->dapm_list, list) {
+		if (d->n_widgets || d->codec == NULL) {
+			if (d->idle_bias_off)
+				d->target_bias_level = SND_SOC_BIAS_OFF;
+			else
+				d->target_bias_level = SND_SOC_BIAS_STANDBY;
+		}
+	}
 
 	/* Check which widgets we need to power and store them in
 	 * lists indicating if they should be powered up or down.
@@ -1136,8 +1134,27 @@
 				power = w->power_check(w);
 			else
 				power = 1;
-			if (power)
-				w->dapm->dev_power = 1;
+
+			if (power) {
+				d = w->dapm;
+
+				/* Supplies and micbiases only bring
+				 * the context up to STANDBY as unless
+				 * something else is active and
+				 * passing audio they generally don't
+				 * require full power.
+				 */
+				switch (w->id) {
+				case snd_soc_dapm_supply:
+				case snd_soc_dapm_micbias:
+					if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
+						d->target_bias_level = SND_SOC_BIAS_STANDBY;
+					break;
+				default:
+					d->target_bias_level = SND_SOC_BIAS_ON;
+					break;
+				}
+			}
 
 			if (w->power == power)
 				continue;
@@ -1161,24 +1178,19 @@
 		switch (event) {
 		case SND_SOC_DAPM_STREAM_START:
 		case SND_SOC_DAPM_STREAM_RESUME:
-			dapm->dev_power = 1;
+			dapm->target_bias_level = SND_SOC_BIAS_ON;
 			break;
 		case SND_SOC_DAPM_STREAM_STOP:
-			dapm->dev_power = !!dapm->codec->active;
+			if (dapm->codec->active)
+				dapm->target_bias_level = SND_SOC_BIAS_ON;
+			else
+				dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
 			break;
 		case SND_SOC_DAPM_STREAM_SUSPEND:
-			dapm->dev_power = 0;
+			dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
 			break;
 		case SND_SOC_DAPM_STREAM_NOP:
-			switch (dapm->bias_level) {
-				case SND_SOC_BIAS_STANDBY:
-				case SND_SOC_BIAS_OFF:
-					dapm->dev_power = 0;
-					break;
-				default:
-					dapm->dev_power = 1;
-					break;
-			}
+			dapm->target_bias_level = dapm->bias_level;
 			break;
 		default:
 			break;
@@ -1186,12 +1198,12 @@
 	}
 
 	/* Force all contexts in the card to the same bias state */
-	power = 0;
+	bias = SND_SOC_BIAS_OFF;
 	list_for_each_entry(d, &card->dapm_list, list)
-		if (d->dev_power)
-			power = 1;
+		if (d->target_bias_level > bias)
+			bias = d->target_bias_level;
 	list_for_each_entry(d, &card->dapm_list, list)
-		d->dev_power = power;
+		d->target_bias_level = bias;
 
 
 	/* Run all the bias changes in parallel */
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index 0d6738a..a42e9ac 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -267,7 +267,7 @@
 		}
 		machine->gpio_requested |= GPIO_HP_MUTE;
 
-		gpio_direction_output(pdata->gpio_hp_mute, 0);
+		gpio_direction_output(pdata->gpio_hp_mute, 1);
 	}
 
 	if (gpio_is_valid(pdata->gpio_int_mic_en)) {