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-rw-r--r--board/oak/led.c11
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