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| author | michael_chen <michael5_chen@pegatroncorp.com> | 2018-08-31 16:18:45 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-09-21 19:50:18 -0700 |
| commit | 3fa9d86bafc0bdc909ebdb9d8641c8bc21ce416c (patch) | |
| tree | 6778a926eaae4b15cb5281aa88a8b2673e3b00f2 | |
| parent | 033c65fae97ff988d9143731ca6952cd68f07ac8 (diff) | |
| download | chrome-ec-3fa9d86bafc0bdc909ebdb9d8641c8bc21ce416c.tar.gz | |
rammus: Implement keyboard backlight enable control
Implement keybaord backlight enable control
Enable keyboard backlight when system from S3 to S0.
Disable keyboard backlight when system from S0 to S3.
BUG=None
BRANCH=ToT
TEST=Manual.
When system power on, using console command kblight to check
keyboard backlight.
When system power off/suspend, check keyboard backlight.
Change-Id: I9a69664eb0cbd41c16cc90d3698c6375ddc02d9c
Signed-off-by: michael_chen <michael5_chen@pegatroncorp.com>
Reviewed-on: https://chromium-review.googlesource.com/1198944
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: michael chen <michael5_chen@pegatroncorp.com>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
| -rw-r--r-- | board/rammus/board.c | 2 | ||||
| -rw-r--r-- | board/rammus/gpio.inc | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/board/rammus/board.c b/board/rammus/board.c index c15061670b..365ab60bc6 100644 --- a/board/rammus/board.c +++ b/board/rammus/board.c @@ -672,6 +672,7 @@ DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT); static void board_chipset_resume(void) { gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); + gpio_set_level(GPIO_KB_BL_EN, 1); } DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); @@ -679,6 +680,7 @@ DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); static void board_chipset_suspend(void) { gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); + gpio_set_level(GPIO_KB_BL_EN, 0); } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); diff --git a/board/rammus/gpio.inc b/board/rammus/gpio.inc index 4cabac76c3..fd0f8d5e14 100644 --- a/board/rammus/gpio.inc +++ b/board/rammus/gpio.inc @@ -46,6 +46,7 @@ GPIO(BATT_PRES_L, PIN(3, 4), GPIO_INPUT) /* Battery GPIO(CCD_MODE_ODL, PIN(6, 3), GPIO_INPUT) /* Case Closed Debug Mode */ GPIO(ENTERING_RW, PIN(7, 6), GPIO_OUTPUT) /* EC Entering RW */ GPIO(ROP_EC_INT_L, PIN(6, 0), GPIO_INPUT) /* PMIC interrupt */ +GPIO(KB_BL_EN, PIN(7, 1), GPIO_OUT_LOW) /* Keyboard backlight enable */ #ifndef CONFIG_POWER_S0IX GPIO(SLP_S0_L, PIN(7, 5), GPIO_INPUT) #endif |