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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2013-03-24 00:38:48 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2013-03-24 00:38:48 +0100
commit3111b4ef1e8ac6f1dda92b74b2a46191b498bb1d (patch)
tree576bc2e99f430a25d10c74d9d84410f5fbed561d /arch
parenteb880f7c9a3cf7c6ce440c662c84449840e0b64b (diff)
colibri_t20: fix menu-key
Due to a strong pull-down on the menu-key multiplexed ACC1_DETECT pin Android unintentionally entered safe-mode. Fix this by making the menu-key active-high as well.
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-tegra/board-colibri_t20-pinmux.c4
-rw-r--r--arch/arm/mach-tegra/board-colibri_t20.c6
2 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/board-colibri_t20-pinmux.c b/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
index 5570e8c222e4..85a28213dbe2 100644
--- a/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
+++ b/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
@@ -288,11 +288,7 @@ static __initdata struct tegra_pingroup_config colibri_t20_pinmux[] = {
{TEGRA_PINGROUP_SLXK, TEGRA_MUX_SPI4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
/* GPIO K6 as KEY_MENU multiplexed ACC1_DETECT */
-#ifdef CONFIG_KEYBOARD_GPIO
- {TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
-#else
{TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
-#endif
/* GPIO K5 multiplexed USB1_VBUS (USBC_DET) */
{TEGRA_PINGROUP_SPDO, TEGRA_MUX_RSVD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
diff --git a/arch/arm/mach-tegra/board-colibri_t20.c b/arch/arm/mach-tegra/board-colibri_t20.c
index 74699eed0996..9b2271299aad 100644
--- a/arch/arm/mach-tegra/board-colibri_t20.c
+++ b/arch/arm/mach-tegra/board-colibri_t20.c
@@ -536,7 +536,9 @@ static void colibri_t20_i2c_init(void)
Note: active-low means pull-ups required on carrier board resp. via
pin-muxing
Note2: power-key active-high due to EvalBoard v3.1a having 100 K pull-down
- on SODIMM pin 45 */
+ on SODIMM pin 45
+ Note3: menu-key active-high due to strong pull-down on multiplexed
+ ACC1_DETECT */
#ifdef CONFIG_KEYBOARD_GPIO
#define GPIO_KEY(_id, _gpio, _lowactive, _iswake) \
@@ -559,7 +561,7 @@ static struct gpio_keys_button colibri_t20_keys[] = {
[4] = GPIO_KEY(KEY_VOLUMEDOWN, PBB5, 1, 0), /* SODIMM pin 24 */
[5] = GPIO_KEY(KEY_POWER, PV3, 0, 1), /* SODIMM pin 45,
Iris X16-20 */
- [6] = GPIO_KEY(KEY_MENU, PK6, 1, 0), /* SODIMM pin 135 */
+ [6] = GPIO_KEY(KEY_MENU, PK6, 0, 0), /* SODIMM pin 135 */
};
#define PMC_WAKE_STATUS 0x14