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| author | Wei-Ning Huang <wnhuang@google.com> | 2016-03-11 17:27:18 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-03-16 02:28:45 -0700 |
| commit | 51fa74ec6fce5f5c7a9c03a79e73bb3eef032bd8 (patch) | |
| tree | 0b330c8858709c4c28f6219ace1e638ee63898e3 | |
| parent | 3424deb4813365abbad0b02c5fb8c29dcc4ffc74 (diff) | |
| download | chrome-ec-51fa74ec6fce5f5c7a9c03a79e73bb3eef032bd8.tar.gz | |
oak: rev5: increase cycle time for LED in SUSPEND
Increase LED blink cycle time to reduce power consumption on Oak rev5
with GlaDOS ID.
BUG=chrome-os-partner:50317
TEST=`make EXTRA_CFLAGS=-DBOARD_REV=5 BOARD=oak -j`
Change-Id: Ic00512434965471a82b94ef431e0ec88c9e4c0c3
Reviewed-on: https://chromium-review.googlesource.com/332346
Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
| -rw-r--r-- | board/oak/led.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/board/oak/led.c b/board/oak/led.c index bc0e9dde45..877f115a12 100644 --- a/board/oak/led.c +++ b/board/oak/led.c @@ -202,9 +202,16 @@ static void oak_led_set_battery(int board_version) bat_led_set(BAT_LED_GREEN, 0); else if (chipset_in_state(CHIPSET_STATE_ON)) bat_led_set(BAT_LED_GREEN, 1); - else if (chipset_in_state(CHIPSET_STATE_SUSPEND)) + else if (chipset_in_state(CHIPSET_STATE_SUSPEND)) { + int cycle_time = 4; + /* Oak rev5 with GlaDOS ID has a extremely power + * comsuming LED. Increase LED blink cycle time to reduce + * S3 power comsuption. */ + if (board_version >= OAK_REV5) + cycle_time = 10; bat_led_set(BAT_LED_GREEN, - (battery_second & 3) ? 0 : 1); + (battery_second % cycle_time) ? 0 : 1); + } /* BAT LED behavior: * Fully charged / idle: Off |