diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2015-11-30 15:30:25 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-12-01 22:37:00 -0800 |
| commit | 0e9cd956647cca2940d67e2ef1b6e0c35cedd145 (patch) | |
| tree | fa002d504dc132ecc4e32433653c114515b34146 | |
| parent | c9e0e4d5789992902844c31805f1cb4553b557a1 (diff) | |
| download | chrome-ec-0e9cd956647cca2940d67e2ef1b6e0c35cedd145.tar.gz | |
chell: Keep keyboard backlight off in hibernate
If pulled up the backlight will be at 100% brightness instead of off.
BUG=chrome-os-partner:48130
BRANCH=none
TEST=hibernate on chell, see keyboard backlight stay off
Change-Id: I30cd289b9492356407aa54e6a84b04add647bd9a
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/314936
Reviewed-by: Shawn N <shawnn@chromium.org>
| -rw-r--r-- | board/chell/board.c | 4 | ||||
| -rw-r--r-- | board/chell/gpio.inc | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/board/chell/board.c b/board/chell/board.c index 6c31a05dc8..c3f7c85c3d 100644 --- a/board/chell/board.c +++ b/board/chell/board.c @@ -365,9 +365,11 @@ uint32_t board_get_gpio_hibernate_state(uint32_t port, uint32_t pin) GPIO_TO_PORT_MASK_PAIR(GPIO_PMIC_LDO_EN), /* The GPIO to control RTCRST is active high. */ GPIO_TO_PORT_MASK_PAIR(GPIO_PCH_RTCRST), + /* Keep keyboard backlight off, GPIO34 pin is in PWM mode */ + GPIO_TO_PORT_MASK_PAIR(GPIO_KEYBOARD_BACKLIGHT), }; - /* LED GPIOs should be driven low to turn off LEDs */ + /* Some GPIOs should be driven low in hibernate */ for (i = 0; i < ARRAY_SIZE(out_low_gpios); ++i) if (out_low_gpios[i][0] == port && out_low_gpios[i][1] == pin) return GPIO_OUTPUT | GPIO_LOW; diff --git a/board/chell/gpio.inc b/board/chell/gpio.inc index 9b579ae17e..6aab9278f6 100644 --- a/board/chell/gpio.inc +++ b/board/chell/gpio.inc @@ -89,6 +89,7 @@ GPIO(BOARD_VERSION2, PIN(7), GPIO_INPUT) GPIO(BOARD_VERSION3, PIN(10), GPIO_INPUT) GPIO(KBD_KSO2, PIN(101), GPIO_KB_OUTPUT_COL2) GPIO(PVT_CS0, PIN(146), GPIO_ODR_HIGH) +GPIO(KEYBOARD_BACKLIGHT, PIN(34), GPIO_OUT_LOW) /* * TODO(crosbug.com/p/40848): These LEDs should be under control of the mec1322 |