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>

1 files changed, 3 insertions, 2 deletions

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index b6c640332a17..f4f68cb3cb00 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -411,8 +411,9 @@ 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 */