diff options
| -rw-r--r-- | driver/charger/isl9241.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/driver/charger/isl9241.c b/driver/charger/isl9241.c index e58c0663cd..4a633f71ef 100644 --- a/driver/charger/isl9241.c +++ b/driver/charger/isl9241.c @@ -506,11 +506,15 @@ static int isl9241_ramp_get_current_limit(int chgnum) * When fully charged in a low-power state, the ISL9241 may get stuck * in CCM. Toggle learning mode for 50 ms to enter DCM and save power. * This is a workaround provided by Renesas. See b/183771327. + * Note: the charger_get_state() returns the last known charge value, + * so need to check the battery is not disconnected when the system + * comes from the battery cutoff. */ static void isl9241_restart_charge_voltage_when_full(void) { if (!chipset_in_or_transitioning_to_state(CHIPSET_STATE_ON) - && charge_get_state() == PWR_STATE_CHARGE_NEAR_FULL) { + && charge_get_state() == PWR_STATE_CHARGE_NEAR_FULL + && battery_get_disconnect_state() == BATTERY_NOT_DISCONNECTED) { charger_discharge_on_ac(1); msleep(50); charger_discharge_on_ac(0); |