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| author | Luotao Fu <l.fu@pengutronix.de> | 2010-06-10 23:05:23 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-06-10 23:33:59 +0400 |
| commit | fb76dd10b91146e9cefbb3cd4e6812c5a95ee43b (patch) | |
| tree | a5f944375a2e7965ee61223a02455a20469483a9 /include/linux/input | |
| parent | 1719ec4136035472d3e83a373908dd1b186dbc0b (diff) | |
| download | linux-fb76dd10b91146e9cefbb3cd4e6812c5a95ee43b.tar.xz | |
Input: matrix_keypad - add support for clustered irq
This one adds support of a combined irq source for the whole matrix keypad.
This can be useful if all rows and columns of the keypad are e.g. connected
to a GPIO expander, which only has one interrupt line for all events on
every single GPIO.
Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/input')
| -rw-r--r-- | include/linux/input/matrix_keypad.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h index c964cd7f436a..80352ad6581a 100644 --- a/include/linux/input/matrix_keypad.h +++ b/include/linux/input/matrix_keypad.h @@ -41,6 +41,9 @@ struct matrix_keymap_data { * @col_scan_delay_us: delay, measured in microseconds, that is * needed before we can keypad after activating column gpio * @debounce_ms: debounce interval in milliseconds + * @clustered_irq: may be specified if interrupts of all row/column GPIOs + * are bundled to one single irq + * @clustered_irq_flags: flags that are needed for the clustered irq * @active_low: gpio polarity * @wakeup: controls whether the device should be set up as wakeup * source @@ -63,6 +66,9 @@ struct matrix_keypad_platform_data { /* key debounce interval in milli-second */ unsigned int debounce_ms; + unsigned int clustered_irq; + unsigned int clustered_irq_flags; + bool active_low; bool wakeup; bool no_autorepeat; |