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 --- sound/soc/codecs/wm8962.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 894d0cd..2eaf9bb 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -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)); }