diff options
Diffstat (limited to 'drivers/power/supply/ab8500_chargalg.c')
| -rw-r--r-- | drivers/power/supply/ab8500_chargalg.c | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/drivers/power/supply/ab8500_chargalg.c b/drivers/power/supply/ab8500_chargalg.c index b5a3096e78a1..6054996b6260 100644 --- a/drivers/power/supply/ab8500_chargalg.c +++ b/drivers/power/supply/ab8500_chargalg.c @@ -430,7 +430,7 @@ static void ab8500_chargalg_stop_safety_timer(struct ab8500_chargalg *di) /** * ab8500_chargalg_start_maintenance_timer() - Start charging maintenance timer * @di: pointer to the ab8500_chargalg structure - * @duration: duration of ther maintenance timer in hours + * @duration: duration of ther maintenance timer in minutes * * The maintenance timer is used to maintain the charge in the battery once * the battery is considered full. These timers are chosen to match the @@ -439,9 +439,10 @@ static void ab8500_chargalg_stop_safety_timer(struct ab8500_chargalg *di) static void ab8500_chargalg_start_maintenance_timer(struct ab8500_chargalg *di, int duration) { + /* Set a timer in minutes with a 30 second range */ hrtimer_set_expires_range(&di->maintenance_timer, - ktime_set(duration * ONE_HOUR_IN_SECONDS, 0), - ktime_set(FIVE_MINUTES_IN_SECONDS, 0)); + ktime_set(duration * 60, 0), + ktime_set(30, 0)); di->events.maintenance_timer_expired = false; hrtimer_start_expires(&di->maintenance_timer, HRTIMER_MODE_REL); } @@ -1223,6 +1224,7 @@ static void ab8500_chargalg_external_power_changed(struct power_supply *psy) static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di) { struct power_supply_battery_info *bi = di->bm->bi; + struct power_supply_maintenance_charge_table *mt; int charger_status; int ret; @@ -1433,7 +1435,12 @@ static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di) handle_maxim_chg_curr(di); if (di->charge_status == POWER_SUPPLY_STATUS_FULL && di->maintenance_chg) { - if (di->bm->no_maintenance) + /* + * The battery is fully charged, check if we support + * maintenance charging else go back to waiting for + * the recharge voltage limit. + */ + if (!power_supply_supports_maintenance_charging(bi)) ab8500_chargalg_state_to(di, STATE_WAIT_FOR_RECHARGE_INIT); else @@ -1454,12 +1461,19 @@ static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di) break; case STATE_MAINTENANCE_A_INIT: + mt = power_supply_get_maintenance_charging_setting(bi, 0); + if (!mt) { + /* No maintenance A state, go back to normal */ + ab8500_chargalg_state_to(di, STATE_NORMAL_INIT); + power_supply_changed(di->chargalg_psy); + break; + } ab8500_chargalg_stop_safety_timer(di); ab8500_chargalg_start_maintenance_timer(di, - di->bm->bat_type->maint_a_chg_timer_h); + mt->charge_safety_timer_minutes); ab8500_chargalg_start_charging(di, - di->bm->bat_type->maint_a_vol_lvl, - di->bm->bat_type->maint_a_cur_lvl); + mt->charge_voltage_max_uv, + mt->charge_current_max_ua); ab8500_chargalg_state_to(di, STATE_MAINTENANCE_A); power_supply_changed(di->chargalg_psy); fallthrough; @@ -1472,11 +1486,18 @@ static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di) break; case STATE_MAINTENANCE_B_INIT: + mt = power_supply_get_maintenance_charging_setting(bi, 1); + if (!mt) { + /* No maintenance B state, go back to normal */ + ab8500_chargalg_state_to(di, STATE_NORMAL_INIT); + power_supply_changed(di->chargalg_psy); + break; + } ab8500_chargalg_start_maintenance_timer(di, - di->bm->bat_type->maint_b_chg_timer_h); + mt->charge_safety_timer_minutes); ab8500_chargalg_start_charging(di, - di->bm->bat_type->maint_b_vol_lvl, - di->bm->bat_type->maint_b_cur_lvl); + mt->charge_voltage_max_uv, + mt->charge_current_max_ua); ab8500_chargalg_state_to(di, STATE_MAINTENANCE_B); power_supply_changed(di->chargalg_psy); fallthrough; |