770 static int asus_read_brightness(struct backlight_device *bd)  in asus_read_brightness()  argument
772 	struct asus_laptop *asus = bl_get_data(bd);  in asus_read_brightness()
784 static int asus_set_brightness(struct backlight_device *bd, int value)  in asus_set_brightness()  argument
786 	struct asus_laptop *asus = bl_get_data(bd);  in asus_set_brightness()
795 static int update_bl_status(struct backlight_device *bd)  in update_bl_status()  argument
797 	int value = bd->props.brightness;  in update_bl_status()
799 	return asus_set_brightness(bd, value);  in update_bl_status()
809 	struct backlight_device *bd = asus->backlight_device;  in asus_backlight_notify()  local
810 	int old = bd->props.brightness;  in asus_backlight_notify()
812 	backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);  in asus_backlight_notify()
819 	struct backlight_device *bd;  in asus_backlight_init()  local
830 	bd = backlight_device_register(ASUS_LAPTOP_FILE,  in asus_backlight_init()
833 	if (IS_ERR(bd)) {  in asus_backlight_init()
836 		return PTR_ERR(bd);  in asus_backlight_init()
839 	asus->backlight_device = bd;  in asus_backlight_init()
840 	bd->props.brightness = asus_read_brightness(bd);  in asus_backlight_init()
841 	bd->props.power = FB_BLANK_UNBLANK;  in asus_backlight_init()
842 	backlight_update_status(bd);  in asus_backlight_init()