diff options
| author | Ayo Wu <ayowu@chromium.org> | 2020-05-04 15:14:43 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-05-20 10:08:16 +0000 |
| commit | 76ba1613a5982b0767a9eb6ab6e3ca5d545ba319 (patch) | |
| tree | bc0cea8dd115fe7c7cac0c218b6bcf80d4ea075b /board/asurada | |
| parent | 1d3b2424262d7d3dccc15ec5b1099a95f7cd3705 (diff) | |
| download | chrome-ec-76ba1613a5982b0767a9eb6ab6e3ca5d545ba319.tar.gz | |
asurada: Enable PWM channel 0 control for power LED on sub-board.
Also, reduce the power led brightness by adjusting PWM.
BUG=none
TEST=make BOARD=asurada -j flash_ec
TEST=pwmduty 0 -1 to disable power LED
BRANCH=none
Signed-off-by: Ayo Wu <ayowu@chromium.org>
Change-Id: I64cfba1bdd42abcca872bad75e7d0ebec82d1347
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2178697
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Eric Yilun Lin <yllin@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
Diffstat (limited to 'board/asurada')
| -rw-r--r-- | board/asurada/board.c | 9 | ||||
| -rw-r--r-- | board/asurada/board.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/board/asurada/board.c b/board/asurada/board.c index 2c27fa3079..54df5dfdd1 100644 --- a/board/asurada/board.c +++ b/board/asurada/board.c @@ -57,6 +57,12 @@ const unsigned int chg_cnt = ARRAY_SIZE(chg_chips); * number of pwm channel greater than three. */ const struct pwm_t pwm_channels[] = { + [PWM_CH_PWRLED] = { + .channel = 0, + .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW, + .freq_hz = 500, + .pcfsr_sel = PWM_PRESCALER_C4 + }, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); @@ -84,6 +90,9 @@ static enum board_sub_board board_get_sub_board(void); /* Initialize board. */ static void board_init(void) { + /* Set PWM of PWRLED to 5%. */ + pwm_set_duty(PWM_CH_PWRLED, 5); + pwm_enable(PWM_CH_PWRLED, 1); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); diff --git a/board/asurada/board.h b/board/asurada/board.h index 41433179e0..deb7ec17c6 100644 --- a/board/asurada/board.h +++ b/board/asurada/board.h @@ -127,6 +127,7 @@ enum battery_type { }; enum pwm_channel { + PWM_CH_PWRLED, PWM_CH_COUNT, }; |