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| author | Mark F. Brown <mark.brown314@gmail.com> | 2010-09-03 18:28:09 -0400 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-10-09 17:07:19 +0800 |
| commit | 3587c258078479824342f33dc513ca7c66d729bc (patch) | |
| tree | 2df8b4f65663cddedbba2763a048ce3b0ac6ba43 /drivers/input/keyboard/pxa27x_keypad.c | |
| parent | 2ce4389068129fb4a8756b5ba126da1260f5dbef (diff) | |
| download | blackbird-op-linux-3587c258078479824342f33dc513ca7c66d729bc.tar.gz blackbird-op-linux-3587c258078479824342f33dc513ca7c66d729bc.zip | |
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>
Diffstat (limited to 'drivers/input/keyboard/pxa27x_keypad.c')
| -rw-r--r-- | drivers/input/keyboard/pxa27x_keypad.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 731bd88bb076..4b0ec35259a1 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); |
