* DAI routines
*/
-static int sdw_stream_setup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct sdw_stream_runtime *sdw_stream = NULL;
- char *name;
- int i, ret;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- name = kasprintf(GFP_KERNEL, "%s-Playback", dai->name);
- else
- name = kasprintf(GFP_KERNEL, "%s-Capture", dai->name);
-
- if (!name)
- return -ENOMEM;
-
- sdw_stream = sdw_alloc_stream(name);
- if (!sdw_stream) {
- dev_err(dai->dev, "alloc stream failed for DAI %s", dai->name);
- ret = -ENOMEM;
- goto error;
- }
-
- /* Set stream pointer on CPU DAI */
- ret = snd_soc_dai_set_sdw_stream(dai, sdw_stream, substream->stream);
- if (ret < 0) {
- dev_err(dai->dev, "failed to set stream pointer on cpu dai %s",
- dai->name);
- goto release_stream;
- }
-
- /* Set stream pointer on all CODEC DAIs */
- for (i = 0; i < rtd->num_codecs; i++) {
- ret = snd_soc_dai_set_sdw_stream(asoc_rtd_to_codec(rtd, i), sdw_stream,
- substream->stream);
- if (ret < 0) {
- dev_err(dai->dev, "failed to set stream pointer on codec dai %s",
- asoc_rtd_to_codec(rtd, i)->name);
- goto release_stream;
- }
- }
-
- return 0;
-
-release_stream:
- sdw_release_stream(sdw_stream);
-error:
- kfree(name);
- return ret;
-}
-
static int intel_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
* TODO: add pm_runtime support here, the startup callback
* will make sure the IP is 'active'
*/
-
- return sdw_stream_setup(substream, dai);
+ return 0;
}
static int intel_hw_params(struct snd_pcm_substream *substream,
return ret;
}
- kfree(dma->stream->name);
- sdw_release_stream(dma->stream);
-
return 0;
}