diff options
Diffstat (limited to 'common/charge_state_v2.c')
| -rw-r--r-- | common/charge_state_v2.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index 9b567ba2ff..6b5336c03a 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -1539,7 +1539,8 @@ __test_only enum charge_state_v2 charge_get_state_v2(void) static void deep_charge_battery(int *need_static) { - if (curr.state == ST_IDLE) { + if ((curr.state == ST_IDLE) && + (curr.batt.flags & BATT_FLAG_DEEP_CHARGE)) { /* Deep charge time out , do nothing */ curr.requested_voltage = 0; curr.requested_current = 0; @@ -1562,6 +1563,7 @@ static void deep_charge_battery(int *need_static) set_charge_state(ST_PRECHARGE); curr.requested_voltage = batt_info->voltage_max; curr.requested_current = batt_info->precharge_current; + curr.batt.flags |= BATT_FLAG_DEEP_CHARGE; } } @@ -1814,13 +1816,26 @@ void charger_task(void *u) goto wait_for_it; } - if (IS_ENABLED(CONFIG_BATTERY_LOW_VOLTAGE_PROTECTION) && - !(curr.batt.flags & BATT_FLAG_BAD_VOLTAGE) && - (curr.batt.voltage <= batt_info->voltage_min)) { - deep_charge_battery(&need_static); - goto wait_for_it; - } + /* + * When the battery voltage is lower than voltage_min,precharge + * first to protect the battery + */ + if (IS_ENABLED(CONFIG_BATTERY_LOW_VOLTAGE_PROTECTION)) { + if (!(curr.batt.flags & BATT_FLAG_BAD_VOLTAGE) && + (curr.batt.voltage <= batt_info->voltage_min)) { + deep_charge_battery(&need_static); + goto wait_for_it; + } + /* + * Finished deep charge before timeout. Clear the flag + * so that we can do deep charge again (when it's deeply + * discharged again). + */ + if ((curr.batt.flags & BATT_FLAG_DEEP_CHARGE)) { + curr.batt.flags &= ~BATT_FLAG_DEEP_CHARGE; + } + } /* The battery is responding. Yay. Try to use it. */ /* |