523 static int get_brightness(struct backlight_device *bd)  in get_brightness()  argument
525 	struct samsung_laptop *samsung = bl_get_data(bd);  in get_brightness()
564 static int update_status(struct backlight_device *bd)  in update_status()  argument
566 	struct samsung_laptop *samsung = bl_get_data(bd);  in update_status()
569 	set_brightness(samsung, bd->props.brightness);  in update_status()
571 	if (bd->props.power == FB_BLANK_UNBLANK)  in update_status()
1189 	struct backlight_device *bd;  in samsung_backlight_init()  local
1200 	bd = backlight_device_register("samsung",  in samsung_backlight_init()
1204 	if (IS_ERR(bd))  in samsung_backlight_init()
1205 		return PTR_ERR(bd);  in samsung_backlight_init()
1207 	samsung->backlight_device = bd;  in samsung_backlight_init()