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| author | YongBeum.Ha <ybha@samsung.corp-partner.google.com> | 2021-12-21 08:26:31 +0900 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-12-22 00:47:28 +0000 |
| commit | d94b3ada6e50d0b7d36d21c56d7007c19c1a1aaa (patch) | |
| tree | 9e3a521c4f9e3cc5a8fa49a1d8f24dd679ee4f9e /board/bugzzy | |
| parent | 31f050c15de41c2aebf3b0e40032f60bedec855d (diff) | |
| download | chrome-ec-d94b3ada6e50d0b7d36d21c56d7007c19c1a1aaa.tar.gz | |
bugzzy : retain LED on sleep mode
Sometimes LED is blinked on sleep because
system automatically wakes from sleep.
BUG=b:210012410
BRANCH=None
TEST=make -j BOARD=bugzzy
then check if LED is blinking on sleep state
Signed-off-by: YongBeum.Ha <ybha@samsung.corp-partner.google.com>
Change-Id: I31b40d6bf71c5e43f7db4e5b1ef47202c33bad94
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3350366
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Diffstat (limited to 'board/bugzzy')
| -rw-r--r-- | board/bugzzy/led.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/board/bugzzy/led.c b/board/bugzzy/led.c index d04026e0f0..17da244534 100644 --- a/board/bugzzy/led.c +++ b/board/bugzzy/led.c @@ -53,12 +53,23 @@ const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); __override void led_set_color_power(enum ec_led_colors color) { + static enum ec_led_colors prev_color = EC_LED_COLOR_COUNT; + /* Don't set led if led_auto_control is disabled. */ if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) || !led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) { return; } + /* + * Sometimes system wakes and sleeps automatically. + * Add LED debounce time to prevent blinking led by this. + */ + if (prev_color != color) { + prev_color = color; + return; + } + if (color == EC_LED_COLOR_BLUE) { gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); @@ -72,6 +83,8 @@ __override void led_set_color_power(enum ec_led_colors color) __override void led_set_color_battery(enum ec_led_colors color) { + static enum ec_led_colors prev_color = EC_LED_COLOR_COUNT; + /* Don't set led if led_auto_control is disabled. */ if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) || !led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) { @@ -79,6 +92,14 @@ __override void led_set_color_battery(enum ec_led_colors color) } /* + * Sometimes system wakes and sleeps automatically. + * Add LED debounce time to prevent blinking led by this. + */ + if (prev_color != color) { + prev_color = color; + return; + } + /* * Battery leds must be turn off when blue led is on * because bugzzy has 3-in-1 led. */ |