Commit 9e8c32ca authored by Takashi Iwai's avatar Takashi Iwai

Merge branch 'fix/asoc' into for-linus

parents 48c88e82 bf86f07e
......@@ -359,8 +359,8 @@ static struct clk_lookup dm355_clks[] = {
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("davinci-asp.0", NULL, &asp0_clk),
CLK("davinci-asp.1", NULL, &asp1_clk),
CLK("davinci-mcbsp.0", NULL, &asp0_clk),
CLK("davinci-mcbsp.1", NULL, &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
......@@ -664,7 +664,7 @@ static struct resource dm355_asp1_resources[] = {
};
static struct platform_device dm355_asp1_device = {
.name = "davinci-asp",
.name = "davinci-mcbsp",
.id = 1,
.num_resources = ARRAY_SIZE(dm355_asp1_resources),
.resource = dm355_asp1_resources,
......
......@@ -459,7 +459,7 @@ static struct clk_lookup dm365_clks[] = {
CLK(NULL, "usb", &usb_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci_voicecodec", NULL, &voicecodec_clk),
CLK("davinci-asp.0", NULL, &asp0_clk),
CLK("davinci-mcbsp", NULL, &asp0_clk),
CLK(NULL, "rto", &rto_clk),
CLK(NULL, "mjcp", &mjcp_clk),
CLK(NULL, NULL, NULL),
......@@ -922,8 +922,8 @@ static struct resource dm365_asp_resources[] = {
};
static struct platform_device dm365_asp_device = {
.name = "davinci-asp",
.id = 0,
.name = "davinci-mcbsp",
.id = -1,
.num_resources = ARRAY_SIZE(dm365_asp_resources),
.resource = dm365_asp_resources,
};
......
......@@ -302,7 +302,7 @@ static struct clk_lookup dm644x_clks[] = {
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("palm_bk3710", NULL, &ide_clk),
CLK("davinci-asp", NULL, &asp_clk),
CLK("davinci-mcbsp", NULL, &asp_clk),
CLK("davinci_mmc.0", NULL, &mmcsd_clk),
CLK(NULL, "spi", &spi_clk),
CLK(NULL, "gpio", &gpio_clk),
......@@ -580,7 +580,7 @@ static struct resource dm644x_asp_resources[] = {
};
static struct platform_device dm644x_asp_device = {
.name = "davinci-asp",
.name = "davinci-mcbsp",
.id = -1,
.num_resources = ARRAY_SIZE(dm644x_asp_resources),
.resource = dm644x_asp_resources,
......
......@@ -522,9 +522,6 @@
#define WM8350_MCLK_SEL_PLL_32K 3
#define WM8350_MCLK_SEL_MCLK 5
#define WM8350_MCLK_DIR_OUT 0
#define WM8350_MCLK_DIR_IN 1
/* clock divider id's */
#define WM8350_ADC_CLKDIV 0
#define WM8350_DAC_CLKDIV 1
......
......@@ -16,7 +16,8 @@ config SND_ATMEL_SOC_SSC
config SND_AT91_SOC_SAM9G20_WM8731
tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board"
depends on ATMEL_SSC && ARCH_AT91SAM9G20 && SND_ATMEL_SOC
depends on ATMEL_SSC && ARCH_AT91SAM9G20 && SND_ATMEL_SOC && \
AT91_PROGRAMMABLE_CLOCKS
select SND_ATMEL_SOC_SSC
select SND_SOC_WM8731
help
......@@ -25,7 +26,7 @@ config SND_AT91_SOC_SAM9G20_WM8731
config SND_AT32_SOC_PLAYPAQ
tristate "SoC Audio support for PlayPaq with WM8510"
depends on SND_ATMEL_SOC && BOARD_PLAYPAQ
depends on SND_ATMEL_SOC && BOARD_PLAYPAQ && AT91_PROGRAMMABLE_CLOCKS
select SND_ATMEL_SOC_SSC
select SND_SOC_WM8510
help
......
......@@ -28,6 +28,11 @@
#include <sound/max98088.h>
#include "max98088.h"
enum max98088_type {
MAX98088,
MAX98089,
};
struct max98088_cdata {
unsigned int rate;
unsigned int fmt;
......@@ -36,6 +41,7 @@ struct max98088_cdata {
struct max98088_priv {
u8 reg_cache[M98088_REG_CNT];
enum max98088_type devtype;
void *control_data;
struct max98088_pdata *pdata;
unsigned int sysclk;
......@@ -2040,6 +2046,8 @@ static int max98088_i2c_probe(struct i2c_client *i2c,
if (max98088 == NULL)
return -ENOMEM;
max98088->devtype = id->driver_data;
i2c_set_clientdata(i2c, max98088);
max98088->control_data = i2c;
max98088->pdata = i2c->dev.platform_data;
......@@ -2059,7 +2067,8 @@ static int __devexit max98088_i2c_remove(struct i2c_client *client)
}
static const struct i2c_device_id max98088_i2c_id[] = {
{ "max98088", 0 },
{ "max98088", MAX98088 },
{ "max98089", MAX98089 },
{ }
};
MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
......
......@@ -597,6 +597,7 @@ static struct snd_soc_codec_driver soc_codec_dev_uda134x = {
.resume = uda134x_soc_resume,
.reg_cache_size = sizeof(uda134x_reg),
.reg_word_size = sizeof(u8),
.reg_cache_default = uda134x_reg,
.reg_cache_step = 1,
.read = uda134x_read_reg_cache,
.write = uda134x_write,
......
......@@ -831,7 +831,7 @@ static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
}
/* MCLK direction */
if (dir == WM8350_MCLK_DIR_OUT)
if (dir == SND_SOC_CLOCK_OUT)
wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
WM8350_MCLK_DIR);
else
......@@ -1586,6 +1586,13 @@ static int wm8350_codec_probe(struct snd_soc_codec *codec)
wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
/* Make sure AIF tristating is disabled by default */
wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
/* Make sure we've got a sane companding setup too */
wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
WM8350_DAC_COMP | WM8350_LOOPBACK);
/* Make sure jack detect is disabled to start off with */
wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
WM8350_JDL_ENA | WM8350_JDR_ENA);
......
......@@ -34,7 +34,6 @@
/* codec private data */
struct wm8776_priv {
enum snd_soc_control_type control_type;
u16 reg_cache[WM8776_CACHEREGNUM];
int sysclk[2];
};
......
......@@ -3500,8 +3500,11 @@ 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);
......
......@@ -3903,6 +3903,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, wm8994);
codec->reg_cache = &wm8994->reg_cache;
wm8994->pdata = dev_get_platdata(codec->dev->parent);
wm8994->codec = codec;
......
......@@ -157,12 +157,23 @@ static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
}
/* davinci-evm digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link evm_dai = {
static struct snd_soc_dai_link dm6446_evm_dai = {
.name = "TLV320AIC3X",
.stream_name = "AIC3X",
.cpu_dai_name = "davinci-mcasp.0",
.cpu_dai_name = "davinci-mcbsp",
.codec_dai_name = "tlv320aic3x-hifi",
.codec_name = "tlv320aic3x-codec.0-001a",
.codec_name = "tlv320aic3x-codec.1-001b",
.platform_name = "davinci-pcm-audio",
.init = evm_aic3x_init,
.ops = &evm_ops,
};
static struct snd_soc_dai_link dm355_evm_dai = {
.name = "TLV320AIC3X",
.stream_name = "AIC3X",
.cpu_dai_name = "davinci-mcbsp.1",
.codec_dai_name = "tlv320aic3x-hifi",
.codec_name = "tlv320aic3x-codec.1-001b",
.platform_name = "davinci-pcm-audio",
.init = evm_aic3x_init,
.ops = &evm_ops,
......@@ -172,10 +183,10 @@ static struct snd_soc_dai_link dm365_evm_dai = {
#ifdef CONFIG_SND_DM365_AIC3X_CODEC
.name = "TLV320AIC3X",
.stream_name = "AIC3X",
.cpu_dai_name = "davinci-i2s",
.cpu_dai_name = "davinci-mcbsp",
.codec_dai_name = "tlv320aic3x-hifi",
.init = evm_aic3x_init,
.codec_name = "tlv320aic3x-codec.0-001a",
.codec_name = "tlv320aic3x-codec.1-0018",
.ops = &evm_ops,
#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
.name = "Voice Codec - CQ93VC",
......@@ -219,10 +230,17 @@ static struct snd_soc_dai_link da8xx_evm_dai = {
.ops = &evm_ops,
};
/* davinci dm6446, dm355 evm audio machine driver */
static struct snd_soc_card snd_soc_card_evm = {
.name = "DaVinci EVM",
.dai_link = &evm_dai,
/* davinci dm6446 evm audio machine driver */
static struct snd_soc_card dm6446_snd_soc_card_evm = {
.name = "DaVinci DM6446 EVM",
.dai_link = &dm6446_evm_dai,
.num_links = 1,
};
/* davinci dm355 evm audio machine driver */
static struct snd_soc_card dm355_snd_soc_card_evm = {
.name = "DaVinci DM355 EVM",
.dai_link = &dm355_evm_dai,
.num_links = 1,
};
......@@ -261,10 +279,10 @@ static int __init evm_init(void)
int ret;
if (machine_is_davinci_evm()) {
evm_snd_dev_data = &snd_soc_card_evm;
evm_snd_dev_data = &dm6446_snd_soc_card_evm;
index = 0;
} else if (machine_is_davinci_dm355_evm()) {
evm_snd_dev_data = &snd_soc_card_evm;
evm_snd_dev_data = &dm355_snd_soc_card_evm;
index = 1;
} else if (machine_is_davinci_dm365_evm()) {
evm_snd_dev_data = &dm365_snd_soc_card_evm;
......
......@@ -426,9 +426,6 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
snd_pcm_format_t fmt;
unsigned element_cnt = 1;
dai->capture_dma_data = dev->dma_params;
dai->playback_dma_data = dev->dma_params;
/* general line settings */
spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
......@@ -601,6 +598,15 @@ static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
return ret;
}
static int davinci_i2s_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
return 0;
}
static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
......@@ -612,6 +618,7 @@ static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
#define DAVINCI_I2S_RATES SNDRV_PCM_RATE_8000_96000
static struct snd_soc_dai_ops davinci_i2s_dai_ops = {
.startup = davinci_i2s_startup,
.shutdown = davinci_i2s_shutdown,
.prepare = davinci_i2s_prepare,
.trigger = davinci_i2s_trigger,
......@@ -749,7 +756,7 @@ static struct platform_driver davinci_mcbsp_driver = {
.probe = davinci_i2s_probe,
.remove = davinci_i2s_remove,
.driver = {
.name = "davinci-i2s",
.name = "davinci-mcbsp",
.owner = THIS_MODULE,
},
};
......
......@@ -715,9 +715,6 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
int word_length;
u8 fifo_level;
cpu_dai->capture_dma_data = dev->dma_params;
cpu_dai->playback_dma_data = dev->dma_params;
davinci_hw_common_param(dev, substream->stream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
fifo_level = dev->txnumevt;
......@@ -799,7 +796,17 @@ static int davinci_mcasp_trigger(struct snd_pcm_substream *substream,
return ret;
}
static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(dai);
snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
return 0;
}
static struct snd_soc_dai_ops davinci_mcasp_dai_ops = {
.startup = davinci_mcasp_startup,
.trigger = davinci_mcasp_trigger,
.hw_params = davinci_mcasp_hw_params,
.set_fmt = davinci_mcasp_set_dai_fmt,
......
......@@ -84,7 +84,7 @@ static struct snd_soc_ops sffsdr_ops = {
static struct snd_soc_dai_link sffsdr_dai = {
.name = "PCM3008", /* Codec name */
.stream_name = "PCM3008 HiFi",
.cpu_dai_name = "davinci-asp.0",
.cpu_dai_name = "davinci-mcbsp",
.codec_dai_name = "pcm3008-hifi",
.codec_name = "pcm3008-codec",
.platform_name = "davinci-pcm-audio",
......
......@@ -97,9 +97,6 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
&davinci_vcif_dev->dma_params[substream->stream];
u32 w;
dai->capture_dma_data = davinci_vcif_dev->dma_params;
dai->playback_dma_data = davinci_vcif_dev->dma_params;
/* Restart the codec before setup */
davinci_vcif_stop(substream);
davinci_vcif_start(substream);
......@@ -174,9 +171,19 @@ static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd,
return ret;
}
static int davinci_vcif_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);
snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
return 0;
}
#define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000
static struct snd_soc_dai_ops davinci_vcif_dai_ops = {
.startup = davinci_vcif_startup,
.trigger = davinci_vcif_trigger,
.hw_params = davinci_vcif_hw_params,
};
......
......@@ -160,7 +160,7 @@ static int __devinit psc_i2s_of_probe(struct platform_device *op,
rc = snd_soc_register_dais(&op->dev, psc_i2s_dai, ARRAY_SIZE(psc_i2s_dai));
if (rc != 0) {
pr_err("Failed to register DAI\n");
return 0;
return rc;
}
psc_dma = dev_get_drvdata(&op->dev);
......
......@@ -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,
};
......
......@@ -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 = pa