acpi_device_update_power
EXPORT_SYMBOL_GPL(acpi_device_update_power);
return acpi_device_update_power(device, state_p);
result = acpi_device_update_power(device, &acpi_state);
result = acpi_device_update_power(device, NULL);
result = acpi_device_update_power(ACPI_COMPANION(dev), NULL);
acpi_device_update_power(adev, NULL);
int acpi_device_update_power(struct acpi_device *device, int *state_p);