diff options
| author | james_chao <james_chao@asus.com> | 2015-12-29 21:46:18 +0800 |
|---|---|---|
| committer | ChromeOS bot <3su6n15k.default@developer.gserviceaccount.com> | 2015-12-29 22:35:15 +0000 |
| commit | 12d9fe9eb8fb7b07ead123276ab047c1a1988660 (patch) | |
| tree | 52cc871880e30a66ab631599e1494d3f0abd49db | |
| parent | ad0ea04a5f6b373f8998207e51dd63502f3e6356 (diff) | |
| download | chrome-ec-12d9fe9eb8fb7b07ead123276ab047c1a1988660.tar.gz | |
Terra: keep GPIO_SMC_SHUTDOWN pull low when enter hibernate
BUG=chrome-os-partner:48799
BRANCH=firmware-strago-7287.B
TEST=Enter the hibernate mode in ac mode, press the power button
Change-Id: Idbca1cd1927ce9668df6957c100d60c40535180c
Signed-off-by: james_chao <james_chao@asus.com>
Reviewed-on: https://chromium-review.googlesource.com/320057
Reviewed-by: Shawn N <shawnn@chromium.org>
| -rw-r--r-- | board/terra/board.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/board/terra/board.c b/board/terra/board.c index 3e1f7b1c3b..2fbcabd5a8 100644 --- a/board/terra/board.c +++ b/board/terra/board.c @@ -89,3 +89,20 @@ struct ec_thermal_config thermal_params[] = { {{0, 0, 0}, 0, 0}, /* Battery Sensor */ }; BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +uint32_t board_get_gpio_hibernate_state(uint32_t port, uint32_t pin) +{ + int i; + const uint32_t out_low_gpios[][2] = { + GPIO_TO_PORT_MASK_PAIR(GPIO_SMC_SHUTDOWN), + }; + + /* 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; + } + + /* Other GPIOs should be put in a low-power state */ + return GPIO_INPUT | GPIO_PULL_UP; +} |