[PATCH v2 4/6 RESEND] ARM: pxa27x_keypad: added wakeup event handler for keypad interrupts
From: Mark F. Brown <hidden>
Date: 2010-09-03 22:29:52
Also in:
linux-arm-kernel, lkml
Subsystem:
arm port, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Russell King, Dmitry Torokhov, Linus Torvalds
mach-mmp needs to clear wake event in order to clear the keypad interrupt Signed-off-by: Mark F. Brown <redacted> --- arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 1 + drivers/input/keyboard/pxa27x_keypad.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
index 7b4eadc..73dacda 100644
--- a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
+++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h@@ -52,6 +52,7 @@ struct pxa27x_keypad_platform_data { /* key debounce interval */ unsigned int debounce_interval; + void (*clear_wakeup_event)(void); }; extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info);
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 0610d10..b36d2be 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c@@ -330,11 +330,21 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad) 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);
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1.7.0.4