Messages in this thread Patch in this message | | | From | NeilBrown <> | Date | Mon, 30 Jul 2012 11:09:02 +1000 | Subject | [PATCH 2/2] Input: twl4030-pwrbutton: report a wakeup_event on button press. |
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As the power button causes a wake from suspend, we need to register the event with the pm sustem to avoid racing with suspend.
As the input event is reported in the interrupt handler, as simple pm_wakeup_event() is sufficient.
Signed-off-by: NeilBrown <neilb@suse.de> ---
drivers/input/misc/twl4030-pwrbutton.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index 38e4b50..b3dd96d 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -42,6 +42,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr) err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &value, STS_HW_CONDITIONS); if (!err) { + pm_wakeup_event(pwr->dev.parent, 0); input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ); input_sync(pwr); } else {
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