Merge branch 'fix/asoc' into for-linus

26 files changed, 234 insertions, 145 deletions

diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c
index 9ef6b96373f..3e6628c8e66 100644
--- a/sound/soc/atmel/atmel-pcm.c
+++ b/sound/soc/atmel/atmel-pcm.c
@@ -180,7 +180,7 @@ static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
 	runtime->dma_bytes = params_buffer_bytes(params);
 
-	prtd->params = rtd->dai->cpu_dai->dma_data;
+	prtd->params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 	prtd->params->dma_intr_handler = atmel_pcm_dma_irq;
 
 	prtd->dma_buffer = runtime->dma_addr;
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index e588e63f18d..0b59806905d 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -363,12 +363,12 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
 	ssc_p->dma_params[dir] = dma_params;
 
 	/*
-	 * The cpu_dai->dma_data field is only used to communicate the
-	 * appropriate DMA parameters to the pcm driver hw_params()
+	 * The snd_soc_pcm_stream->dma_data field is only used to communicate
+	 * the appropriate DMA parameters to the pcm driver hw_params()
 	 * function.  It should not be used for other purposes
 	 * as it is common to all substreams.
 	 */
-	rtd->dai->cpu_dai->dma_data = dma_params;
+	snd_soc_dai_set_dma_data(rtd->dai->cpu_dai, substream, dma_params);
 
 	channels = params_channels(params);
 
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index a1bbe16b7f9..bcfa5327167 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -80,9 +80,11 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 static int ac97_soc_probe(struct platform_device *pdev)
 {
 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+	struct snd_soc_card *card = socdev->card;
 	struct snd_soc_codec *codec;
 	struct snd_ac97_bus *ac97_bus;
 	struct snd_ac97_template ac97_template;
+	int i;
 	int ret = 0;
 
 	printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
@@ -102,12 +104,6 @@ static int ac97_soc_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&codec->dapm_widgets);
 	INIT_LIST_HEAD(&codec->dapm_paths);
 
-	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
-	if (ret < 0) {
-		printk(KERN_ERR "ASoC: failed to init gen ac97 glue\n");
-		goto err;
-	}
-
 	/* register pcms */
 	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
 	if (ret < 0)
@@ -123,6 +119,13 @@ static int ac97_soc_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto bus_err;
 
+	for (i = 0; i < card->num_links; i++) {
+		if (card->dai_link[i].codec_dai->ac97_control) {
+			snd_ac97_dev_add_pdata(codec->ac97,
+				card->dai_link[i].cpu_dai->ac97_pdata);
+		}
+	}
+
 	return 0;
 
 bus_err:
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 29f3771c33a..f8355ac76a4 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3007,34 +3007,39 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_OFF:
-		/* Switch over to startup biases */
-		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
-				    WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-				    WM8994_VMID_BUF_ENA |
-				    WM8994_VMID_RAMP_MASK,
-				    WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-				    WM8994_VMID_BUF_ENA |
-				    (1 << WM8994_VMID_RAMP_SHIFT));
-
-		/* Disable main biases */
-		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
-				    WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);
+		if (codec->bias_level == SND_SOC_BIAS_STANDBY) {
+			/* Switch over to startup biases */
+			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+					    WM8994_BIAS_SRC |
+					    WM8994_STARTUP_BIAS_ENA |
+					    WM8994_VMID_BUF_ENA |
+					    WM8994_VMID_RAMP_MASK,
+					    WM8994_BIAS_SRC |
+					    WM8994_STARTUP_BIAS_ENA |
+					    WM8994_VMID_BUF_ENA |
+					    (1 << WM8994_VMID_RAMP_SHIFT));
 
-		/* Discharge line */
-		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
-				    WM8994_LINEOUT1_DISCH |
-				    WM8994_LINEOUT2_DISCH,
-				    WM8994_LINEOUT1_DISCH |
-				    WM8994_LINEOUT2_DISCH);
+			/* Disable main biases */
+			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
+					    WM8994_BIAS_ENA |
+					    WM8994_VMID_SEL_MASK, 0);
 
-		msleep(5);
+			/* Discharge line */
+			snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
+					    WM8994_LINEOUT1_DISCH |
+					    WM8994_LINEOUT2_DISCH,
+					    WM8994_LINEOUT1_DISCH |
+					    WM8994_LINEOUT2_DISCH);
 
-		/* Switch off startup biases */
-		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
-				    WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-				    WM8994_VMID_BUF_ENA |
-				    WM8994_VMID_RAMP_MASK, 0);
+			msleep(5);
 
+			/* Switch off startup biases */
+			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+					    WM8994_BIAS_SRC |
+					    WM8994_STARTUP_BIAS_ENA |
+					    WM8994_VMID_BUF_ENA |
+					    WM8994_VMID_RAMP_MASK, 0);
+		}
 		break;
 	}
 	codec->bias_level = level;
@@ -3401,7 +3406,7 @@ struct snd_soc_dai wm8994_dai[] = {
 			.rates = WM8994_RATES,
 			.formats = WM8994_FORMATS,
 		},
-		.playback = {
+		.capture = {
 			.stream_name = "AIF3 Capture",
 			.channels_min = 2,
 			.channels_max = 2,
@@ -3730,11 +3735,12 @@ static int wm8994_codec_probe(struct platform_device *pdev)
 	case 3:
 		wm8994->hubs.dcs_codes = -5;
 		wm8994->hubs.hp_startup_mode = 1;
+		wm8994->hubs.dcs_readback_mode = 1;
 		break;
 	default:
+		wm8994->hubs.dcs_readback_mode = 1;
 		break;
 	}
-			   
 
 	/* Remember if AIFnLRCLK is configured as a GPIO.  This should be
 	 * configured on init - if a system wants to do this dynamically
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 486bdd21a98..e1f225a3ac4 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -62,21 +62,27 @@ static const char *speaker_mode_text[] = {
 static const struct soc_enum speaker_mode =
 	SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
 
-static void wait_for_dc_servo(struct snd_soc_codec *codec)
+static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
 {
 	unsigned int reg;
 	int count = 0;
+	unsigned int val;
+
+	val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
+
+	/* Trigger the command */
+	snd_soc_write(codec, WM8993_DC_SERVO_0, val);
 
 	dev_dbg(codec->dev, "Waiting for DC servo...\n");
 
 	do {
 		count++;
 		msleep(1);
-		reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
+		reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
 		dev_dbg(codec->dev, "DC servo: %x\n", reg);
-	} while (reg & WM8993_DCS_DATAPATH_BUSY && count < 400);
+	} while (reg & op && count < 400);
 
-	if (reg & WM8993_DCS_DATAPATH_BUSY)
+	if (reg & op)
 		dev_err(codec->dev, "Timed out waiting for DC Servo\n");
 }
 
@@ -86,51 +92,58 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec)
 static void calibrate_dc_servo(struct snd_soc_codec *codec)
 {
 	struct wm_hubs_data *hubs = codec->private_data;
-	u16 reg, dcs_cfg;
+	u16 reg, reg_l, reg_r, dcs_cfg;
 
 	/* Set for 32 series updates */
 	snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 			    WM8993_DCS_SERIES_NO_01_MASK,
 			    32 << WM8993_DCS_SERIES_NO_01_SHIFT);
-
-	/* Enable the DC servo.  Write all bits to avoid triggering startup
-	 * or write calibration.
-	 */
-	snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-			    0xFFFF,
-			    WM8993_DCS_ENA_CHAN_0 |
-			    WM8993_DCS_ENA_CHAN_1 |
-			    WM8993_DCS_TRIG_SERIES_1 |
-			    WM8993_DCS_TRIG_SERIES_0);
-
-	wait_for_dc_servo(codec);
+	wait_for_dc_servo(codec,
+			  WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
 
 	/* Apply correction to DC servo result */
 	if (hubs->dcs_codes) {
 		dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
 			hubs->dcs_codes);
 
+		/* Different chips in the family support different
+		 * readback methods.
+		 */
+		switch (hubs->dcs_readback_mode) {
+		case 0:
+			reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
+				& WM8993_DCS_INTEG_CHAN_0_MASK;;
+			reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
+				& WM8993_DCS_INTEG_CHAN_1_MASK;
+			break;
+		case 1:
+			reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
+			reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
+				>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+			reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
+			break;
+		default:
+			WARN(1, "Unknown DCS readback method");
+			break;
+		}
+
 		/* HPOUT1L */
-		reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1) &
-			WM8993_DCS_INTEG_CHAN_0_MASK;;
-		reg += hubs->dcs_codes;
-		dcs_cfg = reg << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+		if (reg_l + hubs->dcs_codes > 0 &&
+		    reg_l + hubs->dcs_codes < 0xff)
+			reg_l += hubs->dcs_codes;
+		dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 
 		/* HPOUT1R */
-		reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2) &
-			WM8993_DCS_INTEG_CHAN_1_MASK;
-		reg += hubs->dcs_codes;
-		dcs_cfg |= reg;
+		if (reg_r + hubs->dcs_codes > 0 &&
+		    reg_r + hubs->dcs_codes < 0xff)
+			reg_r += hubs->dcs_codes;
+		dcs_cfg |= reg_r;
 
 		/* Do it */
 		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
-		snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-				    WM8993_DCS_TRIG_DAC_WR_0 |
-				    WM8993_DCS_TRIG_DAC_WR_1,
-				    WM8993_DCS_TRIG_DAC_WR_0 |
-				    WM8993_DCS_TRIG_DAC_WR_1);
-
-		wait_for_dc_servo(codec);
+		wait_for_dc_servo(codec,
+				  WM8993_DCS_TRIG_DAC_WR_0 |
+				  WM8993_DCS_TRIG_DAC_WR_1);
 	}
 }
 
@@ -141,10 +154,16 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct wm_hubs_data *hubs = codec->private_data;
 	int ret;
 
 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 
+	/* If we're applying an offset correction then updating the
+	 * callibration would be likely to introduce further offsets. */
+	if (hubs->dcs_codes)
+		return ret;
+
 	/* Only need to do this if the outputs are active */
 	if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
 	    & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 420104fe9c9..e51c1668358 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -21,6 +21,7 @@ extern const unsigned int wm_hubs_spkmix_tlv[];
 /* This *must* be the first element of the codec->private_data struct */
 struct wm_hubs_data {
 	int dcs_codes;
+	int dcs_readback_mode;
 	int hp_startup_mode;
 };
 
diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 6362ca05506..4aad7ecc90a 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -585,7 +585,8 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = res->start;
 
 	davinci_i2s_dai.private_data = dev;
-	davinci_i2s_dai.dma_data = dev->dma_params;
+	davinci_i2s_dai.capture.dma_data = dev->dma_params;
+	davinci_i2s_dai.playback.dma_data = dev->dma_params;
 	ret = snd_soc_register_dai(&davinci_i2s_dai);
 	if (ret != 0)
 		goto err_free_mem;
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index ab6518d86f1..c056bfbe034 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -917,7 +917,8 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
 
 	dma_data->channel = res->start;
 	davinci_mcasp_dai[pdata->op_mode].private_data = dev;
-	davinci_mcasp_dai[pdata->op_mode].dma_data = dev->dma_params;
+	davinci_mcasp_dai[pdata->op_mode].capture.dma_data = dev->dma_params;
+	davinci_mcasp_dai[pdata->op_mode].playback.dma_data = dev->dma_params;
 	davinci_mcasp_dai[pdata->op_mode].dev = &pdev->dev;
 	ret = snd_soc_register_dai(&davinci_mcasp_dai[pdata->op_mode]);
 
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 80c7fdf2f52..2dc406f42fe 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -649,8 +649,10 @@ static int davinci_pcm_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_hardware *ppcm;
 	int ret = 0;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct davinci_pcm_dma_params *pa = rtd->dai->cpu_dai->dma_data;
+	struct davinci_pcm_dma_params *pa;
 	struct davinci_pcm_dma_params *params;
+
+	pa = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 	if (!pa)
 		return -ENODEV;
 	params = &pa[substream->stream];
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 19452e44afd..c78c000e2af 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -83,11 +83,13 @@ static void snd_imx_dma_err_callback(int channel, void *data, int err)
 static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data;
+	struct imx_pcm_dma_params *dma_params;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 	int ret;
 
+	dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream);
+
 	iprtd->dma = imx_dma_request_by_prio(DRV_NAME, DMA_PRIO_HIGH);
 	if (iprtd->dma < 0) {
 		pr_err("Failed to claim the audio DMA\n");
@@ -192,10 +194,12 @@ static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data;
+	struct imx_pcm_dma_params *dma_params;
 	struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 	int err;
 
+	dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream);
+
 	iprtd->substream = substream;
 	iprtd->buf = (unsigned int *)substream->dma_buffer.area;
 	iprtd->period_cnt = 0;
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index 56f46a75d29..28e55c7b14b 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -234,17 +234,20 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_soc_dai *cpu_dai)
 {
 	struct imx_ssi *ssi = cpu_dai->private_data;
+	struct imx_pcm_dma_params *dma_data;
 	u32 reg, sccr;
 
 	/* Tx/Rx config */
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		reg = SSI_STCCR;
-		cpu_dai->dma_data = &ssi->dma_params_tx;
+		dma_data = &ssi->dma_params_tx;
 	} else {
 		reg = SSI_SRCCR;
-		cpu_dai->dma_data = &ssi->dma_params_rx;
+		dma_data = &ssi->dma_params_rx;
 	}
 
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
+
 	sccr = readl(ssi->base + reg) & ~SSI_STCCR_WL_MASK;
 
 	/* DAI data (word) size */
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index e814a9591f7..8ad9dc90100 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -297,7 +297,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 	omap_mcbsp_dai_dma_params[id][substream->stream].sync_mode = sync_mode;
 	omap_mcbsp_dai_dma_params[id][substream->stream].data_type =
 							OMAP_DMA_DATA_TYPE_S16;
-	cpu_dai->dma_data = &omap_mcbsp_dai_dma_params[id][substream->stream];
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream,
+		&omap_mcbsp_dai_dma_params[id][substream->stream]);
 
 	if (mcbsp_data->configured) {
 		/* McBSP already configured by another stream */
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 25f19e4728b..b7f4f7e015f 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -150,7 +150,8 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
 	int stream = substream->stream;
 	int channels, err, link_mask = 0;
 
-	cpu_dai->dma_data = &omap_mcpdm_dai_dma_params[stream];
+	snd_soc_dai_set_dma_data(cpu_dai, substream,
+				 &omap_mcpdm_dai_dma_params[stream]);
 
 	channels = params_channels(params);
 	switch (channels) {
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 825db385f01..39456447132 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -60,12 +60,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data)
 	struct omap_runtime_data *prtd = runtime->private_data;
 	unsigned long flags;
 
-	if ((cpu_is_omap1510()) &&
-			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
+	if ((cpu_is_omap1510())) {
 		/*
 		 * OMAP1510 doesn't fully support DMA progress counter
 		 * and there is no software emulation implemented yet,
-		 * so have to maintain our own playback progress counter
+		 * so have to maintain our own progress counters
 		 * that can be used by omap_pcm_pointer() instead.
 		 */
 		spin_lock_irqsave(&prtd->lock, flags);
@@ -100,9 +99,11 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct omap_runtime_data *prtd = runtime->private_data;
-	struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data;
+	struct omap_pcm_dma_data *dma_data;
 	int err = 0;
 
+	dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+
 	/* return if this is a bufferless transfer e.g.
 	 * codec <--> BT codec or GSM modem -- lg FIXME */
 	if (!dma_data)
@@ -189,8 +190,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
 	dma_params.frame_count	= runtime->periods;
 	omap_set_dma_params(prtd->dma_ch, &dma_params);
 
-	if ((cpu_is_omap1510()) &&
-			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
+	if ((cpu_is_omap1510()))
 		omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
 			      OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
 	else
@@ -248,14 +248,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
 	dma_addr_t ptr;
 	snd_pcm_uframes_t offset;
 
-	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+	if (cpu_is_omap1510()) {
+		offset = prtd->period_index * runtime->period_size;
+	} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 		ptr = omap_get_dma_dst_pos(prtd->dma_ch);
 		offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-	} else if (!(cpu_is_omap1510())) {
+	} else {
 		ptr = omap_get_dma_src_pos(prtd->dma_ch);
 		offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-	} else
-		offset = prtd->period_index * runtime->period_size;
+	}
 
 	if (offset >= runtime->buffer_size)
 		offset = 0;
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 9e95e5117c8..6959c519916 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -121,10 +121,9 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
 		ssp_disable(ssp);
 	}
 
-	if (cpu_dai->dma_data) {
-		kfree(cpu_dai->dma_data);
-		cpu_dai->dma_data = NULL;
-	}
+	kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
+	snd_soc_dai_set_dma_data(cpu_dai, substream, NULL);
+
 	return ret;
 }
 
@@ -141,10 +140,8 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
 		clk_disable(ssp->clk);
 	}
 
-	if (cpu_dai->dma_data) {
-		kfree(cpu_dai->dma_data);
-		cpu_dai->dma_data = NULL;
-	}
+	kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
+	snd_soc_dai_set_dma_data(cpu_dai, substream, NULL);
 }
 
 #ifdef CONFIG_PM
@@ -569,19 +566,23 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
 	u32 sspsp;
 	int width = snd_pcm_format_physical_width(params_format(params));
 	int ttsa = ssp_read_reg(ssp, SSTSA) & 0xf;
+	struct pxa2xx_pcm_dma_params *dma_data;
+
+	dma_data = snd_soc_dai_get_dma_data(dai, substream);
 
 	/* generate correct DMA params */
-	if (cpu_dai->dma_data)
-		kfree(cpu_dai->dma_data);
+	kfree(dma_data);
 
 	/* Network mode with one active slot (ttsa == 1) can be used
 	 * to force 16-bit frame width on the wire (for S16_LE), even
 	 * with two channels. Use 16-bit DMA transfers for this case.
 	 */
-	cpu_dai->dma_data = ssp_get_dma_params(ssp,
+	dma_data = ssp_get_dma_params(ssp,
 			((chn == 2) && (ttsa != 1)) || (width == 32),
 			substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
 
+	snd_soc_dai_set_dma_data(dai, substream, dma_data);
+
 	/* we can only change the settings if the port is not in use */
 	if (ssp_read_reg(ssp, SSCR0) & SSCR0_SSE)
 		return 0;
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index e9ae7b3a7e0..d314115e3dd 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -122,11 +122,14 @@ static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+	struct pxa2xx_pcm_dma_params *dma_data;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
+		dma_data = &pxa2xx_ac97_pcm_stereo_out;
 	else
-		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
+		dma_data = &pxa2xx_ac97_pcm_stereo_in;
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 
 	return 0;
 }
@@ -137,11 +140,14 @@ static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+	struct pxa2xx_pcm_dma_params *dma_data;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
+		dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
 	else
-		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
+		dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 
 	return 0;
 }
@@ -156,7 +162,8 @@ static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		return -ENODEV;
 	else
-		cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
+		snd_soc_dai_set_dma_data(cpu_dai, substream,
+					 &pxa2xx_ac97_pcm_mic_mono_in);
 
 	return 0;
 }
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index 6b8f655d1ad..c1a5275721e 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -164,6 +164,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+	struct pxa2xx_pcm_dma_params *dma_data;
 
 	BUG_ON(IS_ERR(clk_i2s));
 	clk_enable(clk_i2s);
@@ -171,9 +172,11 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
 	pxa_i2s_wait();
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_out;
+		dma_data = &pxa2xx_i2s_pcm_stereo_out;
 	else
-		cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_in;
+		dma_data = &pxa2xx_i2s_pcm_stereo_in;
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 
 	/* is port used by another stream */
 	if (!(SACR0 & SACR0_ENB)) {
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index d38e39575f5..adc7e6f15f9 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -25,9 +25,11 @@ static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct pxa2xx_runtime_data *prtd = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct pxa2xx_pcm_dma_params *dma = rtd->dai->cpu_dai->dma_data;
+	struct pxa2xx_pcm_dma_params *dma;
 	int ret;
 
+	dma = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+
 	/* return if this is a bufferless transfer e.g.
 	 * codec <--> BT codec or GSM modem -- lg FIXME */
 	if (!dma)
diff --git a/sound/soc/s3c24xx/s3c-ac97.c b/sound/soc/s3c24xx/s3c-ac97.c
index ee8ed9d7e70..ecf4fd04ae9 100644
--- a/sound/soc/s3c24xx/s3c-ac97.c
+++ b/sound/soc/s3c24xx/s3c-ac97.c
@@ -224,11 +224,14 @@ static int s3c_ac97_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+	struct s3c_dma_params *dma_data;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		cpu_dai->dma_data = &s3c_ac97_pcm_out;
+		dma_data = &s3c_ac97_pcm_out;
 	else
-		cpu_dai->dma_data = &s3c_ac97_pcm_in;
+		dma_data = &s3c_ac97_pcm_in;
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 
 	return 0;
 }
@@ -238,8 +241,8 @@ static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
 {
 	u32 ac_glbctrl;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	int channel = ((struct s3c_dma_params *)
-		  rtd->dai->cpu_dai->dma_data)->channel;
+	struct s3c_dma_params *dma_data =
+		snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 
 	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
@@ -265,7 +268,7 @@ static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
 
 	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
 
-	s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+	s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
 
 	return 0;
 }
@@ -280,7 +283,7 @@ static int s3c_ac97_hw_mic_params(struct snd_pcm_substream *substream,
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		return -ENODEV;
 	else
-		cpu_dai->dma_data = &s3c_ac97_mic_in;
+		snd_soc_dai_set_dma_data(cpu_dai, substream, &s3c_ac97_mic_in);
 
 	return 0;
 }
@@ -290,8 +293,8 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream,
 {
 	u32 ac_glbctrl;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	int channel = ((struct s3c_dma_params *)
-		  rtd->dai->cpu_dai->dma_data)->channel;
+	struct s3c_dma_params *dma_data =
+		snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 
 	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
 	ac_glbctrl &= ~S3C_AC97_GLBCTRL_MICINTM_MASK;
@@ -311,7 +314,7 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream,
 
 	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
 
-	s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+	s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
 
 	return 0;
 }
diff --git a/sound/soc/s3c24xx/s3c-dma.c b/sound/soc/s3c24xx/s3c-dma.c
index 7725e26d6c9..1b61c23ff30 100644
--- a/sound/soc/s3c24xx/s3c-dma.c
+++ b/sound/soc/s3c24xx/s3c-dma.c
@@ -145,10 +145,12 @@ static int s3c_dma_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct s3c24xx_runtime_data *prtd = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct s3c_dma_params *dma = rtd->dai->cpu_dai->dma_data;
 	unsigned long totbytes = params_buffer_bytes(params);
+	struct s3c_dma_params *dma =
+		snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 	int ret = 0;
 
+
 	pr_debug("Entered %s\n", __func__);
 
 	/* return if this is a bufferless transfer e.g.
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index e994d8374fe..88515946b6c 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24