| From 605791a1741b2a9055e60b9fb59e3d3e679e40d2 Mon Sep 17 00:00:00 2001 |
| From: Mark Brown <broonie@linaro.org> |
| Date: Thu, 18 Jul 2013 11:52:17 +0100 |
| Subject: ASoC: pcm: Use the power efficient workqueue for delayed powerdown |
| |
| 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(-) |
| |
| --- a/sound/soc/soc-pcm.c |
| +++ b/sound/soc/soc-pcm.c |
| @@ -408,8 +408,9 @@ static int soc_pcm_close(struct snd_pcm_ |
| } 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 */ |
