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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 /arch/arm/plat-pxa | |
| parent | ARM: pxa168: added wake clear register support for APMU (diff) | |
| download | linux-dev-3587c258078479824342f33dc513ca7c66d729bc.tar.xz linux-dev-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 'arch/arm/plat-pxa')
| -rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 10 |
1 files changed, 10 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 7b4eadc6df3a..abcc36eb1242 100644 --- a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h +++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h @@ -25,6 +25,13 @@ * * 4. matrix key and direct key will use the same debounce_interval by * default, which should be sufficient in most cases + * + * pxa168 keypad platform specific parameter + * + * NOTE: + * clear_wakeup_event callback is a workaround required to clear the + * keypad interrupt. The keypad wake must be cleared in addition to + * reading the MI/DI bits in the KPC register. */ struct pxa27x_keypad_platform_data { @@ -52,6 +59,9 @@ struct pxa27x_keypad_platform_data { /* key debounce interval */ unsigned int debounce_interval; + + /* clear wakeup event requirement for pxa168 */ + void (*clear_wakeup_event)(void); }; extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info); |