With this flag codec drivers can indicate that it is desired to ignore the pmdown_time for DAPM shutdown sequence when playback stream is stopped. The DAPM sequence will be executed without delay in this case.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- include/sound/soc.h | 1 + sound/soc/soc-pcm.c | 15 +++++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 858291d..11cfb59 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -578,6 +578,7 @@ struct snd_soc_codec {
/* dapm */ struct snd_soc_dapm_context dapm; + unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
#ifdef CONFIG_DEBUG_FS struct dentry *debugfs_codec_root; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 8eb0f07..ee15337 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -319,10 +319,17 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - /* start delayed pop wq here for playback streams */ - codec_dai->pop_wait = 1; - schedule_delayed_work(&rtd->delayed_work, - msecs_to_jiffies(rtd->pmdown_time)); + if (unlikely(codec->ignore_pmdown_time)) { + /* powered down playback stream now */ + snd_soc_dapm_stream_event(rtd, + codec_dai->driver->playback.stream_name, + SND_SOC_DAPM_STREAM_STOP); + } else { + /* start delayed pop wq here for playback streams */ + codec_dai->pop_wait = 1; + schedule_delayed_work(&rtd->delayed_work, + msecs_to_jiffies(rtd->pmdown_time)); + } } else { /* capture streams can be powered down now */ snd_soc_dapm_stream_event(rtd,