static int soc_compr_free_fe(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *fe = cstream->private_data;
struct snd_soc_platform *platform = fe->platform;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
struct snd_soc_dpcm *dpcm;
int stream, ret;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
if (cstream->direction == SND_COMPRESS_PLAYBACK)
stream = SNDRV_PCM_STREAM_PLAYBACK;
else
stream = SNDRV_PCM_STREAM_CAPTURE;
snd_soc_runtime_deactivate(fe, stream);
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
ret = dpcm_be_dai_hw_free(fe, stream);
if (ret < 0)
dev_err(fe->dev, "compressed hw_free failed %d\n", ret);
ret = dpcm_be_dai_shutdown(fe, stream);
/* mark FE's links ready to prune */
list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
dpcm_be_disconnect(fe, stream);
fe->dpcm[stream].runtime = NULL;
if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
fe->dai_link->compr_ops->shutdown(cstream);
if (platform->driver->compr_ops && platform->driver->compr_ops->free)
platform->driver->compr_ops->free(cstream);
if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
mutex_unlock(&fe->card->mutex);
return 0;
}
static int soc_compr_free_fe(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *fe = cstream->private_data;
struct snd_soc_platform *platform = fe->platform;
struct snd_soc_dpcm_params *dpcm;
int stream, ret;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
struct snd_soc_dai *codec_dai = fe->codec_dai;
struct snd_soc_codec *codec = fe->codec;
if (cstream->direction == SND_COMPRESS_PLAYBACK)
stream = SNDRV_PCM_STREAM_PLAYBACK;
else
stream = SNDRV_PCM_STREAM_CAPTURE;
mutex_lock(&fe->card->dpcm_mutex);
if (cstream->direction == SND_COMPRESS_PLAYBACK) {
cpu_dai->playback_active--;
codec_dai->playback_active--;
snd_soc_dai_digital_mute(codec_dai, 1);
} else {
cpu_dai->capture_active--;
codec_dai->capture_active--;
}
cpu_dai->active--;
codec_dai->active--;
codec->active--;
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
ret = dpcm_be_dai_hw_free(fe, stream);
if (ret < 0)
dev_err(fe->dev, "compressed hw_free failed %d\n", ret);
ret = dpcm_be_dai_shutdown(fe, stream);
/* mark FE's links ready to prune */
list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
dpcm_dapm_stream_event(fe, stream,
fe->cpu_dai->driver->playback.stream_name,
SND_SOC_DAPM_STREAM_STOP);
else
dpcm_dapm_stream_event(fe, stream,
fe->cpu_dai->driver->capture.stream_name,
SND_SOC_DAPM_STREAM_STOP);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
dpcm_be_disconnect(fe, stream);
fe->dpcm[stream].runtime = NULL;
if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
fe->dai_link->compr_ops->shutdown(cstream);
if (platform->driver->compr_ops && platform->driver->compr_ops->free)
platform->driver->compr_ops->free(cstream);
//cpu_dai->runtime = NULL;
mutex_unlock(&fe->card->dpcm_mutex);
return 0;
}