Merge branch 'for-2.6.37' into HEAD

9 files changed, 173 insertions, 165 deletions

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index d251ff54a2d3..c5ab8c805771 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -58,7 +58,7 @@
         (1000000000 / ((rate * 1000) / samples))
 
 #define US_TO_SAMPLES(rate, us) \
-        (rate / (1000000 / us))
+        (rate / (1000000 / (us < 1000000 ? us : 1000000)))
 
 #define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \
         ((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate)))
@@ -200,7 +200,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                       u8 *value)
 {
         struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-        int val;
+        int val, ret = 0;
 
         *value = reg & 0xff;
 
@@ -210,6 +210,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                 if (val < 0) {
                         dev_err(codec->dev, "Read failed (%d)\n", val);
                         value[0] = dac33_read_reg_cache(codec, reg);
+                        ret = val;
                 } else {
                         value[0] = val;
                         dac33_write_reg_cache(codec, reg, val);
@@ -218,7 +219,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                 value[0] = dac33_read_reg_cache(codec, reg);
         }
 
-        return 0;
+        return ret;
 }
 
 static int dac33_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -329,13 +330,18 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
                     dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL));
 }
 
-static inline void dac33_read_id(struct snd_soc_codec *codec)
+static inline int dac33_read_id(struct snd_soc_codec *codec)
 {
+        int i, ret = 0;
         u8 reg;
 
-        dac33_read(codec, DAC33_DEVICE_ID_MSB, &reg);
-        dac33_read(codec, DAC33_DEVICE_ID_LSB, &reg);
-        dac33_read(codec, DAC33_DEVICE_REV_ID, &reg);
+        for (i = 0; i < 3; i++) {
+                ret = dac33_read(codec, DAC33_DEVICE_ID_MSB + i, &reg);
+                if (ret < 0)
+                        break;
+        }
+
+        return ret;
 }
 
 static inline void dac33_soft_power(struct snd_soc_codec *codec, int power)
@@ -1076,6 +1082,9 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                 /* Number of samples under i2c latency */
                 dac33->alarm_threshold = US_TO_SAMPLES(rate,
                                                 dac33->mode1_latency);
+                nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
+                                dac33->alarm_threshold;
+
                 if (dac33->auto_fifo_config) {
                         if (period_size <= dac33->alarm_threshold)
                                 /*
@@ -1086,6 +1095,8 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                                        ((dac33->alarm_threshold / period_size) +
                                        (dac33->alarm_threshold % period_size ?
                                        1 : 0));
+                        else if (period_size > nsample_limit)
+                                dac33->nsample = nsample_limit;
                         else
                                 dac33->nsample = period_size;
                 } else {
@@ -1097,8 +1108,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                          */
                         dac33->nsample_max = substream->runtime->buffer_size -
                                                 period_size;
-                        nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
-                                        dac33->alarm_threshold;
+
                         if (dac33->nsample_max > nsample_limit)
                                 dac33->nsample_max = nsample_limit;
 
@@ -1414,9 +1424,15 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
                 dev_err(codec->dev, "Failed to power up codec: %d\n", ret);
                 goto err_power;
         }
-        dac33_read_id(codec);
+        ret = dac33_read_id(codec);
         dac33_hard_power(codec, 0);
 
+        if (ret < 0) {
+                dev_err(codec->dev, "Failed to read chip ID: %d\n", ret);
+                ret = -ENODEV;
+                goto err_power;
+        }
+
         /* Check if the IRQ number is valid and request it */
         if (dac33->irq >= 0) {
                 ret = request_irq(dac33->irq, dac33_interrupt_handler,
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index 329acc1a2074..ee4fb201de60 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -119,13 +119,13 @@ static int tpa6130a2_power(int power)
 {
         struct  tpa6130a2_data *data;
         u8      val;
-        int     ret;
+        int     ret = 0;
 
         BUG_ON(tpa6130a2_client == NULL);
         data = i2c_get_clientdata(tpa6130a2_client);
 
         mutex_lock(&data->mutex);
-        if (power) {
+        if (power && !data->power_state) {
                 /* Power on */
                 if (data->power_gpio >= 0)
                         gpio_set_value(data->power_gpio, 1);
@@ -153,7 +153,7 @@ static int tpa6130a2_power(int power)
                 val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
                 val &= ~TPA6130A2_SWS;
                 tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val);
-        } else {
+        } else if (!power && data->power_state) {
                 /* set SWS */
                 val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
                 val |= TPA6130A2_SWS;
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 2eaf9bb36b57..3fc63b43c6a1 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3502,8 +3502,11 @@ static ssize_t wm8962_beep_set(struct device *dev,
 {
         struct wm8962_priv *wm8962 = dev_get_drvdata(dev);
         long int time;
+        int ret;
 
-        strict_strtol(buf, 10, &time);
+        ret = strict_strtol(buf, 10, &time);
+        if (ret != 0)
+                return ret;
 
         input_event(wm8962->beep, EV_SND, SND_TONE, time);
 
diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c
index b59675257ce5..dd4fffdbd177 100644
--- a/sound/soc/imx/eukrea-tlv320.c
+++ b/sound/soc/imx/eukrea-tlv320.c
@@ -34,8 +34,8 @@ static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params)
 {
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
-        struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
-        struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+        struct snd_soc_dai *codec_dai = rtd->codec_dai;
+        struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
         int ret;
 
         ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
@@ -79,10 +79,10 @@ static struct snd_soc_ops eukrea_tlv320_snd_ops = {
 static struct snd_soc_dai_link eukrea_tlv320_dai = {
         .name           = "tlv320aic23",
         .stream_name    = "TLV320AIC23",
-        .codec_dai      = "tlv320aic23-hifi",
+        .codec_dai_name = "tlv320aic23-hifi",
         .platform_name  = "imx-pcm-audio.0",
         .codec_name     = "tlv320aic23-codec.0-001a",
-        .cpu_dai = "imx-ssi.0",
+        .cpu_dai_name   = "imx-ssi.0",
         .ops            = &eukrea_tlv320_snd_ops,
 };
 
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index fd493ee1428e..671ef8dd524c 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/dmaengine.h>
 
 #include <sound/core.h>
 #include <sound/initval.h>
@@ -27,165 +28,146 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 
-#include <mach/dma-mx1-mx2.h>
+#include <mach/dma.h>
 
 #include "imx-ssi.h"
 
 struct imx_pcm_runtime_data {
-        int sg_count;
-        struct scatterlist *sg_list;
-        int period;
+        int period_bytes;
         int periods;
-        unsigned long dma_addr;
         int dma;
-        struct snd_pcm_substream *substream;
         unsigned long offset;
         unsigned long size;
-        unsigned long period_cnt;
         void *buf;
         int period_time;
+        struct dma_async_tx_descriptor *desc;
+        struct dma_chan *dma_chan;
+        struct imx_dma_data dma_data;
 };
 
-/* Called by the DMA framework when a period has elapsed */
-static void imx_ssi_dma_progression(int channel, void *data,
-                                        struct scatterlist *sg)
+static void audio_dma_irq(void *data)
 {
-        struct snd_pcm_substream *substream = data;
+        struct snd_pcm_substream *substream = (struct snd_pcm_substream *)data;
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 
-        if (!sg)
-                return;
-
-        runtime = iprtd->substream->runtime;
+        iprtd->offset += iprtd->period_bytes;
+        iprtd->offset %= iprtd->period_bytes * iprtd->periods;
 
-        iprtd->offset = sg->dma_address - runtime->dma_addr;
-
-        snd_pcm_period_elapsed(iprtd->substream);
+        snd_pcm_period_elapsed(substream);
 }
 
-static void imx_ssi_dma_callback(int channel, void *data)
+static bool filter(struct dma_chan *chan, void *param)
 {
-        pr_err("%s shouldn't be called\n", __func__);
-}
+        struct imx_pcm_runtime_data *iprtd = param;
 
-static void snd_imx_dma_err_callback(int channel, void *data, int err)
-{
-        struct snd_pcm_substream *substream = data;
-        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-        struct imx_pcm_dma_params *dma_params = 
-                snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
-        struct snd_pcm_runtime *runtime = substream->runtime;
-        struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-        int ret;
+        if (!imx_dma_is_general_purpose(chan))
+                return false;
 
-        pr_err("DMA timeout on channel %d -%s%s%s%s\n",
-                 channel,
-                 err & IMX_DMA_ERR_BURST ?    " burst" : "",
-                 err & IMX_DMA_ERR_REQUEST ?  " request" : "",
-                 err & IMX_DMA_ERR_TRANSFER ? " transfer" : "",
-                 err & IMX_DMA_ERR_BUFFER ?   " buffer" : "");
+        chan->private = &iprtd->dma_data;
 
-        imx_dma_disable(iprtd->dma);
-        ret = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count,
-                        IMX_DMA_LENGTH_LOOP, dma_params->dma_addr,
-                        substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
-                        DMA_MODE_WRITE : DMA_MODE_READ);
-        if (!ret)
-                imx_dma_enable(iprtd->dma);
+        return true;
 }
 
-static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream)
+static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
+                                struct snd_pcm_hw_params *params)
 {
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct imx_pcm_dma_params *dma_params;
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct imx_pcm_runtime_data *iprtd = runtime->private_data;
+        struct dma_slave_config slave_config;
+        dma_cap_mask_t mask;
+        enum dma_slave_buswidth buswidth;
         int ret;
 
         dma_params = snd_soc_dai_get_dma_data(rtd->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");
-                return -ENODEV;
-        }
+        iprtd->dma_data.peripheral_type = IMX_DMATYPE_SSI;
+        iprtd->dma_data.priority = DMA_PRIO_HIGH;
+        iprtd->dma_data.dma_request = dma_params->dma;
 
-        ret = imx_dma_setup_handlers(iprtd->dma,
-                                imx_ssi_dma_callback,
-                                snd_imx_dma_err_callback, substream);
-        if (ret)
-                goto out;
+        /* Try to grab a DMA channel */
+        dma_cap_zero(mask);
+        dma_cap_set(DMA_SLAVE, mask);
+        iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
+        if (!iprtd->dma_chan)
+                return -EINVAL;
 
-        ret = imx_dma_setup_progression_handler(iprtd->dma,
-                        imx_ssi_dma_progression);
-        if (ret) {
-                pr_err("Failed to setup the DMA handler\n");
-                goto out;
+        switch (params_format(params)) {
+        case SNDRV_PCM_FORMAT_S16_LE:
+                buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES;
+                break;
+        case SNDRV_PCM_FORMAT_S20_3LE:
+        case SNDRV_PCM_FORMAT_S24_LE:
+                buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
+                break;
+        default:
+                return 0;
         }
 
-        ret = imx_dma_config_channel(iprtd->dma,
-                        IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-                        IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-                        dma_params->dma, 1);
-        if (ret < 0) {
-                pr_err("Cannot configure DMA channel: %d\n", ret);
-                goto out;
+        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+                slave_config.direction = DMA_TO_DEVICE;
+                slave_config.dst_addr = dma_params->dma_addr;
+                slave_config.dst_addr_width = buswidth;
+                slave_config.dst_maxburst = dma_params->burstsize;
+        } else {
+                slave_config.direction = DMA_FROM_DEVICE;
+                slave_config.src_addr = dma_params->dma_addr;
+                slave_config.src_addr_width = buswidth;
+                slave_config.src_maxburst = dma_params->burstsize;
         }
 
-        imx_dma_config_burstlen(iprtd->dma, dma_params->burstsize * 2);
+        ret = dmaengine_slave_config(iprtd->dma_chan, &slave_config);
+        if (ret)
+                return ret;
 
         return 0;
-out:
-        imx_dma_free(iprtd->dma);
-        return ret;
 }
 
 static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
                                 struct snd_pcm_hw_params *params)
 {
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-        int i;
         unsigned long dma_addr;
+        struct dma_chan *chan;
+        struct imx_pcm_dma_params *dma_params;
+        int ret;
 
-        imx_ssi_dma_alloc(substream);
+        dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+        ret = imx_ssi_dma_alloc(substream, params);
+        if (ret)
+                return ret;
+        chan = iprtd->dma_chan;
 
         iprtd->size = params_buffer_bytes(params);
         iprtd->periods = params_periods(params);
-        iprtd->period = params_period_bytes(params);
+        iprtd->period_bytes = params_period_bytes(params);
         iprtd->offset = 0;
         iprtd->period_time = HZ / (params_rate(params) /
                         params_period_size(params));
 
         snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
 
-        if (iprtd->sg_count != iprtd->periods) {
-                kfree(iprtd->sg_list);
-
-                iprtd->sg_list = kcalloc(iprtd->periods + 1,
-                                sizeof(struct scatterlist), GFP_KERNEL);
-                if (!iprtd->sg_list)
-                        return -ENOMEM;
-                iprtd->sg_count = iprtd->periods + 1;
-        }
-
-        sg_init_table(iprtd->sg_list, iprtd->sg_count);
         dma_addr = runtime->dma_addr;
 
-        for (i = 0; i < iprtd->periods; i++) {
-                iprtd->sg_list[i].page_link = 0;
-                iprtd->sg_list[i].offset = 0;
-                iprtd->sg_list[i].dma_address = dma_addr;
-                iprtd->sg_list[i].length = iprtd->period;
-                dma_addr += iprtd->period;
+        iprtd->buf = (unsigned int *)substream->dma_buffer.area;
+
+        iprtd->desc = chan->device->device_prep_dma_cyclic(chan, dma_addr,
+                        iprtd->period_bytes * iprtd->periods,
+                        iprtd->period_bytes,
+                        substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
+                        DMA_TO_DEVICE : DMA_FROM_DEVICE);
+        if (!iprtd->desc) {
+                dev_err(&chan->dev->device, "cannot prepare slave dma\n");
+                return -EINVAL;
         }
 
-        /* close the loop */
-        iprtd->sg_list[iprtd->sg_count - 1].offset = 0;
-        iprtd->sg_list[iprtd->sg_count - 1].length = 0;
-        iprtd->sg_list[iprtd->sg_count - 1].page_link =
-                        ((unsigned long) iprtd->sg_list | 0x01) & ~0x02;
+        iprtd->desc->callback = audio_dma_irq;
+        iprtd->desc->callback_param = substream;
+
         return 0;
 }
 
@@ -194,41 +176,21 @@ static int snd_imx_pcm_hw_free(struct snd_pcm_substream *substream)
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 
-        if (iprtd->dma >= 0) {
-                imx_dma_free(iprtd->dma);
-                iprtd->dma = -EINVAL;
+        if (iprtd->dma_chan) {
+                dma_release_channel(iprtd->dma_chan);
+                iprtd->dma_chan = NULL;
         }
 
-        kfree(iprtd->sg_list);
-        iprtd->sg_list = NULL;
-
         return 0;
 }
 
 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;
-        struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-        int err;
 
         dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
 
-        iprtd->substream = substream;
-        iprtd->buf = (unsigned int *)substream->dma_buffer.area;
-        iprtd->period_cnt = 0;
-
-        pr_debug("%s: buf: %p period: %d periods: %d\n",
-                        __func__, iprtd->buf, iprtd->period, iprtd->periods);
-
-        err = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count,
-                        IMX_DMA_LENGTH_LOOP, dma_params->dma_addr,
-                        substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
-                        DMA_MODE_WRITE : DMA_MODE_READ);
-        if (err)
-                return err;
-
         return 0;
 }
 
@@ -241,14 +203,14 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
         case SNDRV_PCM_TRIGGER_START:
         case SNDRV_PCM_TRIGGER_RESUME:
         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-                imx_dma_enable(iprtd->dma);
+                dmaengine_submit(iprtd->desc);
 
                 break;
 
         case SNDRV_PCM_TRIGGER_STOP:
         case SNDRV_PCM_TRIGGER_SUSPEND:
         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-                imx_dma_disable(iprtd->dma);
+                dmaengine_terminate_all(iprtd->dma_chan);
 
                 break;
         default:
@@ -263,6 +225,9 @@ static snd_pcm_uframes_t snd_imx_pcm_pointer(struct snd_pcm_substream *substream
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 
+        pr_debug("%s: %ld %ld\n", __func__, iprtd->offset,
+                        bytes_to_frames(substream->runtime, iprtd->offset));
+
         return bytes_to_frames(substream->runtime, iprtd->offset);
 }
 
@@ -279,7 +244,7 @@ static struct snd_pcm_hardware snd_imx_hardware = {
         .channels_max = 2,
         .buffer_bytes_max = IMX_SSI_DMABUF_SIZE,
         .period_bytes_min = 128,
-        .period_bytes_max = 16 * 1024,
+        .period_bytes_max = 65535, /* Limited by SDMA engine */
         .periods_min = 2,
         .periods_max = 255,
         .fifo_size = 0,
@@ -304,11 +269,23 @@ static int snd_imx_open(struct snd_pcm_substream *substream)
         }
 
         snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
+
+        return 0;
+}
+
+static int snd_imx_close(struct snd_pcm_substream *substream)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct imx_pcm_runtime_data *iprtd = runtime->private_data;
+
+        kfree(iprtd);
+
         return 0;
 }
 
 static struct snd_pcm_ops imx_pcm_ops = {
         .open           = snd_imx_open,
+        .close          = snd_imx_close,
         .ioctl          = snd_pcm_lib_ioctl,
         .hw_params      = snd_imx_pcm_hw_params,
         .hw_free        = snd_imx_pcm_hw_free,
@@ -340,7 +317,6 @@ static struct platform_driver imx_pcm_driver = {
                         .name = "imx-pcm-audio",
                         .owner = THIS_MODULE,
         },
-
         .probe = imx_soc_platform_probe,
         .remove = __devexit_p(imx_soc_platform_remove),
 };
@@ -356,4 +332,3 @@ static void __exit snd_imx_pcm_exit(void)
         platform_driver_unregister(&imx_pcm_driver);
 }
 module_exit(snd_imx_pcm_exit);
-
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index d4bd345b0a8d..d2d98c75ee8a 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -439,7 +439,22 @@ void imx_pcm_free(struct snd_pcm *pcm)
 }
 EXPORT_SYMBOL_GPL(imx_pcm_free);
 
+static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
+{
+        struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
+        uint32_t val;
+
+        snd_soc_dai_set_drvdata(dai, ssi);
+
+        val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
+                SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
+        writel(val, ssi->base + SSI_SFCSR);
+
+        return 0;
+}
+
 static struct snd_soc_dai_driver imx_ssi_dai = {
+        .probe = imx_ssi_dai_probe,
         .playback = {
                 .channels_min = 2,
                 .channels_max = 2,
@@ -455,20 +470,6 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
         .ops = &imx_ssi_pcm_dai_ops,
 };
 
-static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
-{
-        struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
-        uint32_t val;
-
-        snd_soc_dai_set_drvdata(dai, ssi);
-
-        val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
-                SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
-        writel(val, ssi->base + SSI_SFCSR);
-
-        return 0;
-}
-
 static struct snd_soc_dai_driver imx_ac97_dai = {
         .probe = imx_ssi_dai_probe,
         .ac97_control = 1,
@@ -677,7 +678,17 @@ static int imx_ssi_probe(struct platform_device *pdev)
                 goto failed_register;
         }
 
-        ssi->soc_platform_pdev = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
+        ssi->soc_platform_pdev_fiq = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
+        if (!ssi->soc_platform_pdev_fiq)
+                goto failed_pdev_fiq_alloc;
+        platform_set_drvdata(ssi->soc_platform_pdev_fiq, ssi);
+        ret = platform_device_add(ssi->soc_platform_pdev_fiq);
+        if (ret) {
+                dev_err(&pdev->dev, "failed to add platform device\n");
+                goto failed_pdev_fiq_add;
+        }
+
+        ssi->soc_platform_pdev = platform_device_alloc("imx-pcm-audio", pdev->id);
         if (!ssi->soc_platform_pdev)
                 goto failed_pdev_alloc;
         platform_set_drvdata(ssi->soc_platform_pdev, ssi);
@@ -692,6 +703,9 @@ static int imx_ssi_probe(struct platform_device *pdev)
 failed_pdev_add:
         platform_device_put(ssi->soc_platform_pdev);
 failed_pdev_alloc:
+failed_pdev_fiq_add:
+        platform_device_put(ssi->soc_platform_pdev_fiq);
+failed_pdev_fiq_alloc:
         snd_soc_unregister_dai(&pdev->dev);
 failed_register:
 failed_ac97:
diff --git a/sound/soc/imx/imx-ssi.h b/sound/soc/imx/imx-ssi.h
index 53b780d9b2b0..a4406a134892 100644
--- a/sound/soc/imx/imx-ssi.h
+++ b/sound/soc/imx/imx-ssi.h
@@ -185,6 +185,9 @@
 
 #define DRV_NAME "imx-ssi"
 
+#include <linux/dmaengine.h>
+#include <mach/dma.h>
+
 struct imx_pcm_dma_params {
         int dma;
         unsigned long dma_addr;
@@ -212,6 +215,7 @@ struct imx_ssi {
         int enabled;
 
         struct platform_device *soc_platform_pdev;
+        struct platform_device *soc_platform_pdev_fiq;
 };
 
 struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
index 6a65dd705519..39f23734781a 100644
--- a/sound/soc/imx/phycore-ac97.c
+++ b/sound/soc/imx/phycore-ac97.c
@@ -20,9 +20,6 @@
 #include <sound/soc-dapm.h>
 #include <asm/mach-types.h>
 
-#include "../codecs/wm9712.h"
-#include "imx-ssi.h"
-
 static struct snd_soc_card imx_phycore;
 
 static struct snd_soc_ops imx_phycore_hifi_ops = {
@@ -41,7 +38,7 @@ static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
 };
 
 static struct snd_soc_card imx_phycore = {
-        .name           = "PhyCORE-audio",
+        .name           = "PhyCORE-ac97-audio",
         .dai_link       = imx_phycore_dai_ac97,
         .num_links      = ARRAY_SIZE(imx_phycore_dai_ac97),
 };
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4360436ef035..2198936cfb68 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3062,8 +3062,10 @@ int snd_soc_register_dais(struct device *dev,
         for (i = 0; i < count; i++) {
 
                 dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
-                if (dai == NULL)
-                        return -ENOMEM;
+                if (dai == NULL) {
+                        ret = -ENOMEM;
+                        goto err;
+                }
 
                 /* create DAI component name */
                 dai->name = fmt_multiple_name(dev, &dai_drv[i]);
@@ -3282,9 +3284,6 @@ int snd_soc_register_codec(struct device *dev,
         return 0;
 
 error:
-        for (i--; i >= 0; i--)
-                snd_soc_unregister_dai(dev);
-
         if (codec->reg_cache)
                 kfree(codec->reg_cache);
         kfree(codec->name);