thermal_acpi_critical_trip_temp
EXPORT_SYMBOL_GPL(thermal_acpi_critical_trip_temp);
err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
ret = thermal_acpi_critical_trip_temp(zone_adev,
int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);