diff options
| -rw-r--r-- | include/battery.h | 3 | ||||
| -rw-r--r-- | include/config.h | 10 |
2 files changed, 8 insertions, 5 deletions
diff --git a/include/battery.h b/include/battery.h index 55ea92a39e..3d7876662e 100644 --- a/include/battery.h +++ b/include/battery.h @@ -48,7 +48,8 @@ extern struct ec_response_battery_dynamic_info /* * Shut down main processor and/or hibernate EC when discharging and battery - * level < this level. + * level < this level. Setting this too low makes the battery discharge too + * deeply, which isn't good for the battery health. */ #define BATTERY_LEVEL_SHUTDOWN 3 diff --git a/include/config.h b/include/config.h index de48a2134a..4e07add025 100644 --- a/include/config.h +++ b/include/config.h @@ -489,18 +489,20 @@ * Thus, we set them as follows by default: * * CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON = 2 (don't boot if soc < 2%) - * CONFIG_BATT_HOST_SHUTDOWN_PERCENTAGE = 2 (shutdown if soc <= 2%) + * CONFIG_BATT_HOST_SHUTDOWN_PERCENTAGE = 3 (shutdown if soc <= 3%) * BATTERY_LEVEL_SHUTDOWN = 3 (shutdown if soc < 3%) * * This produces the following behavior: * * - If soc = 1%, system doesn't boot. User wouldn't know why. - * - If soc = 2%, system boots. Alert is shown. System immediately shuts down. - * - If battery discharges to 2% while the system is running, system shuts down. + * - If soc = 2~3%, system boots. Alert is shown. System immediately shuts down. + * - If battery discharges to 3% while the system is running, system shuts down. * If that happens while a user is away, they can press the power button to * learn what happened. + * - If system fails to shutdown for some reason and battery further discharges + * to 2%, EC will trigger shutdown. */ -#define CONFIG_BATT_HOST_SHUTDOWN_PERCENTAGE 2 /* shutdown if soc <= 2% */ +#define CONFIG_BATT_HOST_SHUTDOWN_PERCENTAGE 3 /* shutdown if soc <= 3% */ /* * Powerd's full_factor. The value comes from: |