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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2020-01-10 11:36:23 +0900
committerMark Brown <broonie@kernel.org>2020-01-10 13:33:53 +0000
commit3f4cf797939cb3ccdb6f989da53f1899d30432dc (patch)
treed955631d3f8dc6540691f38d3fce0b6483b5ce6b /sound/soc/soc-dapm.c
parent83f94a2e293d617a98e077680ea00b2830a9ca22 (diff)
downloadlinux-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.c23
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