[alsa-devel] [PATCH] ASoC: twl6040: Use power efficient workqueue

Mark Brown broonie at kernel.org
Thu Jul 18 23:45:11 CEST 2013

From: Mark Brown <broonie at linaro.org>

The accessory detect debounce work is not performance sensitive so let
the scheduler run it wherever is most efficient rather than in a per CPU
workqueue by using the system power efficient workqueue.

Signed-off-by: Mark Brown <broonie at linaro.org>
 sound/soc/codecs/twl6040.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 44621dd..caf8784 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -429,7 +429,8 @@ static irqreturn_t twl6040_audio_handler(int irq, void *data)
 	struct snd_soc_codec *codec = data;
 	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
-	schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200));
+	queue_delayed_work(system_power_efficient_wq,
+			   &priv->hs_jack.work, msecs_to_jiffies(200));
 	return IRQ_HANDLED;

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