diff options
| author | Ben Chen <ben.chen2@quanta.corp-partner.google.com> | 2020-08-04 09:52:35 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-05 06:41:43 +0000 |
| commit | 8578454d9ff9d14cb221f9b84d93366c061aa0b5 (patch) | |
| tree | aad571429bcfb48d0299f5db44487bbb94b14169 /board/voxel/board.c | |
| parent | 99403f81f1fb68c58ad6a15c577ea7edf343efa6 (diff) | |
| download | chrome-ec-8578454d9ff9d14cb221f9b84d93366c061aa0b5.tar.gz | |
voxel: support keyboard backilght enable/disable
config gpio keyboard backlight en pin, and enable/disable
in power on/off sequence
BUG=b:162632407
BRANCH=none
TEST=make buildall
TEST=run 'kblight' EC console command to verify keyboard backight
TEST=run 'ectool verify pwmsetkblight' to verify keyboard backlight
Change-Id: I7907d5a49f9db6a722989a054f7ad6aec6b6d55f
Signed-off-by: Ben Chen <ben.chen2@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2335517
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'board/voxel/board.c')
| -rw-r--r-- | board/voxel/board.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/board/voxel/board.c b/board/voxel/board.c index 02b83b4bf3..e2114811e0 100644 --- a/board/voxel/board.c +++ b/board/voxel/board.c @@ -190,6 +190,18 @@ const struct pwm_t pwm_channels[] = { }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); +static void kb_backlight_enable(void) +{ + gpio_set_level(GPIO_EC_KB_BL_EN, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, kb_backlight_enable, HOOK_PRIO_DEFAULT); + +static void kb_backlight_disable(void) +{ + gpio_set_level(GPIO_EC_KB_BL_EN, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, kb_backlight_disable, HOOK_PRIO_DEFAULT); + /* USBC mux configuration - Tiger Lake includes internal mux */ struct usb_mux usbc0_usb4_db_retimer = { .usb_port = USBC_PORT_C0, |