diff options
| -rw-r--r-- | common/charge_state_v2.c | 29 | ||||
| -rw-r--r-- | include/config.h | 3 |
2 files changed, 32 insertions, 0 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index b02b6ca819..6e6cc6c7d7 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -1476,6 +1476,25 @@ const struct batt_params *charger_current_battery_params(void) return &curr.batt; } +#ifdef CONFIG_BATTERY_CHECK_CHARGE_TEMP_LIMITS +/* Determine if the battery is outside of allowable temperature range */ +static int battery_outside_charging_temperature(void) +{ + const struct battery_info *batt_info = battery_get_info(); + /* battery temp in 0.1 deg C */ + int batt_temp_c = DECI_KELVIN_TO_CELSIUS(curr.batt.temperature); + + if (curr.batt.flags & BATT_FLAG_BAD_TEMPERATURE) + return 0; + + if ((batt_temp_c > batt_info->charging_max_c) || + (batt_temp_c < batt_info->charging_min_c)) { + return 1; + } + return 0; +} +#endif + /*****************************************************************************/ /* Hooks */ void charger_init(void) @@ -1809,6 +1828,16 @@ wait_for_it: } #endif +#ifdef CONFIG_BATTERY_CHECK_CHARGE_TEMP_LIMITS + if (battery_outside_charging_temperature()) { + curr.requested_current = 0; + curr.requested_voltage = 0; + curr.batt.flags &= ~BATT_FLAG_WANT_CHARGE; + if (curr.state != ST_DISCHARGE) + curr.state = ST_IDLE; + } +#endif + #ifdef CONFIG_CHARGE_MANAGER if (curr.batt.state_of_charge >= CONFIG_CHARGE_MANAGER_BAT_PCT_SAFE_MODE_EXIT && diff --git a/include/config.h b/include/config.h index 921eb0f4c9..cc12e94673 100644 --- a/include/config.h +++ b/include/config.h @@ -496,6 +496,9 @@ /* Perform a battery cut-off when we reach the battery critical level */ #undef CONFIG_BATTERY_CRITICAL_SHUTDOWN_CUT_OFF +/* If the battery is too hot or too cold, stop charging */ +#undef CONFIG_BATTERY_CHECK_CHARGE_TEMP_LIMITS + /* * Support battery cut-off as host command and console command. * |