ARM: pxa27x_keypad: added wakeup event handler for keypad interrupts
mach-mmp needs to clear wake event in order to clear the keypad interrupt
Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 731bd88..4b0ec35 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -330,11 +330,21 @@
keypad->direct_key_state = new_state;
}
+static void clear_wakeup_event(struct pxa27x_keypad *keypad)
+{
+ struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+
+ if (pdata->clear_wakeup_event)
+ (pdata->clear_wakeup_event)();
+}
+
static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
{
struct pxa27x_keypad *keypad = dev_id;
unsigned long kpc = keypad_readl(KPC);
+ clear_wakeup_event(keypad);
+
if (kpc & KPC_DI)
pxa27x_keypad_scan_direct(keypad);