ACPI_BATTERY_ALARM_PRESENT
(test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) &&
else if (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) &&
!test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags))
clear_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags);
set_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags);