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ASoC: Use pm_wakeup_event() in WM8962 jack detection

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Ensure that the system does not suspend while we process a WM8962 jack
event by using pm_wakeup_event() to block the suspend while we're waiting
for the jack to settle. Use a slightly longer timeout than the jack waits
to allow for other stuff to take over and delays in scheduling.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-11-03 14:45:07 -04:00
parent 7b0f42b59a
commit 11e16eb365
1 changed files with 2 additions and 0 deletions
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2
sound/soc/codecs/wm8962.c
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@ -3353,6 +3353,8 @@ static irqreturn_t wm8962_irq(int irq, void *data)
if (active & (WM8962_MICSCD_EINT | WM8962_MICD_EINT)) {
dev_dbg(codec->dev, "Microphone event detected\n");
pm_wakeup_event(codec->dev, 300);
schedule_delayed_work(&wm8962->mic_work,
msecs_to_jiffies(250));
}