dev_attr_brightness_hw_changed 124 drivers/leds/led-class.c ret = device_create_file(dev, &dev_attr_brightness_hw_changed); dev_attr_brightness_hw_changed 134 drivers/leds/led-class.c device_remove_file(dev, &dev_attr_brightness_hw_changed); dev_attr_brightness_hw_changed 144 drivers/leds/led-class.c device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed);