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author | Vijay Hiremath <vijay.p.hiremath@intel.com> | 2017-01-25 14:29:52 -0800 |
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committer | chrome-bot <chrome-bot@chromium.org> | 2017-01-25 22:12:29 -0800 |
commit | 325c93fa94dc8ffbd15386d66c45dc0aaca262bb (patch) | |
tree | f21aeee1f19cb491dabc22aa92d74a1a3964fea5 /board/reef | |
parent | 7a8d505ce34173c7b12b921b67a53586ada00c4c (diff) | |
download | chrome-ec-325c93fa94dc8ffbd15386d66c45dc0aaca262bb.tar.gz |
reef: Disable Trackpad in S5 to save power
BUG=chrome-os-partner:59712
BRANCH=reef
TEST=gpioget EN_P3300_TRACKPAD_ODL is 1 in S5 & below, 0 otherwise.
Change-Id: Iee55325c20df53aaa7f65c8c3091e343698d70fb
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/433083
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'board/reef')
-rw-r--r-- | board/reef/board.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/reef/board.c b/board/reef/board.c index 0a91bd7069..82a2df4dc8 100644 --- a/board/reef/board.c +++ b/board/reef/board.c @@ -687,6 +687,9 @@ static void board_chipset_startup(void) /* Enable USB-A port. */ gpio_set_level(GPIO_USB1_ENABLE, 1); + /* Enable Trackpad */ + gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 0); + hook_call_deferred(&enable_input_devices_data, 0); } DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); @@ -697,6 +700,9 @@ static void board_chipset_shutdown(void) /* Disable USB-A port. */ gpio_set_level(GPIO_USB1_ENABLE, 0); + /* Disable Trackpad */ + gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 1); + hook_call_deferred(&enable_input_devices_data, 0); /* FIXME(dhendrix): Drive USB_PD_RST_ODL low to prevent leakage? (see comment in schematic) */ |