static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct sst_byt_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
struct sst_byt_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd);
struct sst_byt *byt = pdata->byt;
dev_dbg(rtd->dev, "PCM: open\n");
pcm_data = &pdata->pcm[rtd->cpu_dai->id];
mutex_lock(&pcm_data->mutex);
snd_soc_pcm_set_drvdata(rtd, pcm_data);
pcm_data->substream = substream;
snd_soc_set_runtime_hwparams(substream, &sst_byt_pcm_hardware);
pcm_data->stream = sst_byt_stream_new(byt, rtd->cpu_dai->id + 1,
byt_notify_pointer, pcm_data);
if (pcm_data->stream == NULL) {
dev_err(rtd->dev, "failed to create stream\n");
mutex_unlock(&pcm_data->mutex);
return -EINVAL;
}
mutex_unlock(&pcm_data->mutex);
return 0;
}
static int hsw_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
pcm_data = &pdata->pcm[rtd->cpu_dai->id];
mutex_lock(&pcm_data->mutex);
snd_soc_pcm_set_drvdata(rtd, pcm_data);
pcm_data->substream = substream;
snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware);
pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id,
hsw_notify_pointer, pcm_data);
if (pcm_data->stream == NULL) {
dev_err(rtd->dev, "error: failed to create stream\n");
mutex_unlock(&pcm_data->mutex);
return -EINVAL;
}
/* Set previous saved volume */
sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
0, pcm_data->volume[0]);
sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
1, pcm_data->volume[1]);
mutex_unlock(&pcm_data->mutex);
return 0;
}
static int imx_asrc_cs42888_init(struct snd_soc_pcm_runtime *rtd)
{
snd_soc_pcm_set_drvdata(rtd, (void *)esai_asrc);
return 0;
}
