diff options
| author | Keith Short <keithshort@chromium.org> | 2019-11-14 13:55:52 -0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-11-15 06:17:47 +0000 |
| commit | 2e228e989063ddd62035aa4567988996ba84f237 (patch) | |
| tree | 31583bc8c9edf3e7907dfc26a6ab9ee121b54e5f | |
| parent | 188b6ff7d7b4e4139c16df188728f47ae81a4e00 (diff) | |
| download | chrome-ec-2e228e989063ddd62035aa4567988996ba84f237.tar.gz | |
volteer: enable eDP backlight
This change ensure the eDP backlight control is driven high so that the
PCH can turn the backlight on and off. Still need to add controls to the
EC to turn the backlight off.
BUG=b:144520387
BRANCH=none
TEST=make buildall
TEST=verify backlight on Volteer
Change-Id: Idb075781dc358c5c7a6fe68f828a28407b92c94d
Signed-off-by: Keith Short <keithshort@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1918005
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
| -rw-r--r-- | board/volteer/gpio.inc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/board/volteer/gpio.inc b/board/volteer/gpio.inc index e9575587c0..359a651d7e 100644 --- a/board/volteer/gpio.inc +++ b/board/volteer/gpio.inc @@ -91,6 +91,13 @@ GPIO(EN_PP3300_AG, PIN(8, 5), GPIO_OUT_LOW) * default. */ GPIO(LED_SIDESEL_4_L, PIN(6, 0), GPIO_OUT_LOW) +/* + * eDP backlight - both PCH and EC have enable pins that must be high + * for the backlight to turn on. Default state is high, and can be turned + * off during sleep states. + */ +GPIO(EC_EDP_BL_EN, PIN(D, 3), GPIO_OUT_HIGH) + /* I2C pins - Alternate function below configures I2C module on these pins */ GPIO(EC_I2C0_SENSOR_SCL, PIN(B, 5), GPIO_INPUT | GPIO_SEL_1P8V) GPIO(EC_I2C0_SENSOR_SDA, PIN(B, 4), GPIO_INPUT | GPIO_SEL_1P8V) |