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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2020-01-10 11:36:23 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-01-10 13:33:53 +0000 |
| commit | 3f4cf797939cb3ccdb6f989da53f1899d30432dc (patch) | |
| tree | d955631d3f8dc6540691f38d3fce0b6483b5ce6b /sound/soc/soc-dapm.c | |
| parent | 83f94a2e293d617a98e077680ea00b2830a9ca22 (diff) | |
| download | linux-3f4cf797939cb3ccdb6f989da53f1899d30432dc.tar.bz2 | |
ASoC: soc-dapm: add snd_soc_dapm_stream_stop()
When we stop stream, if it was Playback, we might need to care
about power down time. In such case, we need to use delayed work.
We have same implementation for it at soc-pcm.c and soc-compress.c,
but we don't want to have duplicate code.
This patch adds snd_soc_dapm_stream_stop(), and share same code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-By: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/871rs8t4uw.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index b6378f025836..442846f12cd4 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4447,6 +4447,29 @@ void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, mutex_unlock(&card->dapm_mutex); } +void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream) +{ + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (snd_soc_runtime_ignore_pmdown_time(rtd)) { + /* powered down playback stream now */ + snd_soc_dapm_stream_event(rtd, + SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_DAPM_STREAM_STOP); + } else { + /* start delayed pop wq here for playback streams */ + rtd->pop_wait = 1; + queue_delayed_work(system_power_efficient_wq, + &rtd->delayed_work, + msecs_to_jiffies(rtd->pmdown_time)); + } + } else { + /* capture streams can be powered down now */ + snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE, + SND_SOC_DAPM_STREAM_STOP); + } +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_stop); + /** * snd_soc_dapm_enable_pin_unlocked - enable pin. * @dapm: DAPM context |