devm_led_classdev_unregister
devm_led_classdev_unregister(priv->dev, &led->cdev);
EXPORT_SYMBOL_GPL(devm_led_classdev_unregister);
devm_led_classdev_unregister(uleds_misc.this_device,
devm_led_classdev_unregister(&adev->dev, &data->led);
devm_led_classdev_unregister(&acpi_dev->dev, &data->ap_led);
devm_led_classdev_unregister(&acpi_dev->dev, &data->kb_led);
void devm_led_classdev_unregister(struct device *parent,