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| author | michael_chen <michael5_chen@pegatroncorp.com> | 2018-08-31 15:36:18 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-09-13 06:14:07 -0700 |
| commit | 1918bb0ea138d9e3522e4f7ad6897a882c7cda50 (patch) | |
| tree | bc5d11bfa0d892d7623c11d5f820b9b1a437bde7 | |
| parent | cb49a07fd350d9b513b019f755730d298bf719e7 (diff) | |
| download | chrome-ec-1918bb0ea138d9e3522e4f7ad6897a882c7cda50.tar.gz | |
rammus: Implement touch pad enable control
Implement touch pad enable control.
Enable touch pad when system from S5 to S3.
Disable touch pad when system form S3 to S5.
BUG=None
BRANCH=ToT
TEST=Manual.
Check touch pad can work under S0.
Check touch pad can wake up system under suspend.
Change-Id: Iccb06c3afeb458ea4504d4de971a49b1ab7bbe8d
Signed-off-by: michael_chen <michael5_chen@pegatroncorp.com>
Reviewed-on: https://chromium-review.googlesource.com/1198906
Commit-Ready: michael chen <michael5_chen@pegatroncorp.com>
Tested-by: michael chen <michael5_chen@pegatroncorp.com>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
| -rw-r--r-- | board/rammus/board.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/board/rammus/board.c b/board/rammus/board.c index 2b6c528b4a..3f3be06943 100644 --- a/board/rammus/board.c +++ b/board/rammus/board.c @@ -683,3 +683,17 @@ static void board_chipset_suspend(void) gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); + +/* Called on AP S5 -> S3 transition */ +static void board_chipset_startup(void) +{ + gpio_set_level(GPIO_EN_PP3300_TRACKPAD, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + gpio_set_level(GPIO_EN_PP3300_TRACKPAD, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); |