diff options
| author | Chris Zhong <zyw@rock-chips.com> | 2014-07-30 14:22:30 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-08-06 04:36:58 +0000 |
| commit | 4c1665eb9c6914f54330a65ef01327ec1941af54 (patch) | |
| tree | 8643666fe797f80dd13c010eb4a6b0afdd3db6ba | |
| parent | 2125690c365fb6798569dc81423e4afa14dbcf1a (diff) | |
| download | chrome-ec-4c1665eb9c6914f54330a65ef01327ec1941af54.tar.gz | |
veyron: Change EC_INT pin to high-Z in S5
Change EC_INT pin to high-Z to reduce power draw in S5, and reset it
to output High in S5S3.
BUG=None
TEST=Leakage did not happen, other functions also work correctly.
BRANCH=None
Change-Id: Id77bb9f34f25336cd097344be349f5aa43a75b52
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/210545
Reviewed-by: Alexandru Stan <amstan@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
| -rw-r--r-- | power/rockchip.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/power/rockchip.c b/power/rockchip.c index b6eecdc437..898bba40ee 100644 --- a/power/rockchip.c +++ b/power/rockchip.c @@ -364,6 +364,8 @@ static void power_on(void) /* enable interrupt */ gpio_set_flags(GPIO_SUSPEND_L, GPIO_INPUT | GPIO_INT_BOTH | GPIO_PULL_DOWN); + + gpio_set_flags(GPIO_EC_INT, GPIO_OUTPUT | GPIO_OUT_HIGH); /* Make sure we de-assert the PMI_SOURCE and AP_RESET_L pin. */ set_pmic_source(1); set_ap_reset(0); @@ -444,8 +446,9 @@ static void power_off(void) hook_notify(HOOK_CHIPSET_SHUTDOWN); /* switch off all rails */ chipset_turn_off_power_rails(); - /* Change SUSPEND_L pin to high-Z to reduce power draw. */ + /* Change SUSPEND_L and EC_INT pin to high-Z to reduce power draw. */ gpio_set_flags(GPIO_SUSPEND_L, GPIO_INPUT); + gpio_set_flags(GPIO_EC_INT, GPIO_INPUT); lid_opened = 0; enable_sleep(SLEEP_MASK_AP_RUN); |