diff options
| author | Xinyu Chen <xinyu.chen@freescale.com> | 2012-08-15 13:32:06 +0800 |
|---|---|---|
| committer | Xinyu Chen <xinyu.chen@freescale.com> | 2012-08-15 14:37:56 +0800 |
| commit | d43f4bd6adb597afc069fd69cf5d785f8dae5e36 (patch) | |
| tree | c65ca06a043b24fabb04f915880e588ddb835376 /arch | |
| parent | aa1803d2a8ba09bab77d0f9231c69cc8ef112392 (diff) | |
ENGR00219856-1 mx6q sabresd: add debounce to gpio key
Add a 1ms debounce to the gpio key to avoid
unexpected gpio status read from gpio_key driver's
workqueue. This issue happens on android's resume stage,
sometimes the framework get more than one up key even
user press the power key once.
Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_sabresd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c index f9b72c777cf5..d2b35f44179a 100644 --- a/arch/arm/mach-mx6/board-mx6q_sabresd.c +++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c @@ -1545,7 +1545,7 @@ static void __init imx6q_add_device_gpio_leds(void) {} #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) -#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \ +#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake, debounce) \ { \ .gpio = gpio_num, \ .type = EV_KEY, \ @@ -1553,11 +1553,12 @@ static void __init imx6q_add_device_gpio_leds(void) {} .active_low = act_low, \ .desc = "btn " descr, \ .wakeup = wake, \ + .debounce_interval = debounce, \ } static struct gpio_keys_button imx6q_buttons[] = { - GPIO_BUTTON(SABRESD_VOLUME_UP, KEY_VOLUMEUP, 1, "volume-up", 0), - GPIO_BUTTON(SABRESD_VOLUME_DN, KEY_POWER, 1, "volume-down", 1), + GPIO_BUTTON(SABRESD_VOLUME_UP, KEY_VOLUMEUP, 1, "volume-up", 0, 1), + GPIO_BUTTON(SABRESD_VOLUME_DN, KEY_POWER, 1, "volume-down", 1, 1), }; static struct gpio_keys_platform_data imx6q_button_data = { |