ACPI_BATT_STAT_CHARGING
bst[i].state &= ~ACPI_BATT_STAT_CHARGING;
if (valid_rate == 0 || (battinfo->state & ACPI_BATT_STAT_CHARGING))
sc->bst.state |= ACPI_BATT_STAT_CHARGING;
(ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CHARGING)
if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)