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[06/11] ASoC: pcm: Use the power efficient workqueue for delayed powerdown

Message ID 1387317415-22252-6-git-send-email-broonie@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Mark Brown Dec. 17, 2013, 9:56 p.m. UTC 
From: Mark Brown <broonie@linaro.org>

There is no need to use a normal per-CPU workqueue for delayed power downs
as they're not timing or performance critical and waking up a core for them
would defeat some of the point.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
(cherry picked from commit d4e1a73acd4e894f8332f2093bceaef585cfab67)
---
 sound/soc/soc-pcm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index ccb6be4d658d..6d9bed4fe7d2 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -408,8 +408,9 @@  static int soc_pcm_close(struct snd_pcm_substream *substream)
 		} else {
 			/* start delayed pop wq here for playback streams */
 			rtd->pop_wait = 1;
-			schedule_delayed_work(&rtd->delayed_work,
-				msecs_to_jiffies(rtd->pmdown_time));
+			queue_delayed_work(system_power_efficient_wq,
+					   &rtd->delayed_work,
+					   msecs_to_jiffies(rtd->pmdown_time));
 		}
 	} else {
 		/* capture streams can be powered down now */