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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-12-17 10:51:10 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-12-17 10:51:10 +0100 |
| commit | d346f2a59d6f53b3ad9af61619fd2c90c62dfb0c (patch) | |
| tree | db464ecd9f0b059f039c27e54a614223b86a16a4 /arch/arm/mach-tegra/board-colibri_t20.c | |
| parent | 94315e07e7b250c7546664e3845cd1d907d844c9 (diff) | |
colibri_t20: gpio-keys: enable pull-ups
GPIO keys configured as active-low either require pull-ups on the
carrier board or via pin-muxing. We enable the later for now.
Diffstat (limited to 'arch/arm/mach-tegra/board-colibri_t20.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-colibri_t20.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/board-colibri_t20.c b/arch/arm/mach-tegra/board-colibri_t20.c index 261d11b439af..c2c1d167895d 100644 --- a/arch/arm/mach-tegra/board-colibri_t20.c +++ b/arch/arm/mach-tegra/board-colibri_t20.c @@ -365,7 +365,8 @@ static void colibri_t20_i2c_init(void) i2c_register_board_info(4, colibri_t20_i2c_bus4_board_info, ARRAY_SIZE(colibri_t20_i2c_bus4_board_info)); } -/* Keys */ +/* Keys + Note: active-low means pull-ups required on carrier board resp. via pin-muxing */ #ifdef CONFIG_KEYBOARD_GPIO #define GPIO_KEY(_id, _gpio, _iswake) \ |