9 struct backlight_device;
29 	int (*update_status)(struct backlight_device *);
30 	int (*get_brightness)(struct backlight_device *);
33 struct backlight_device {  struct
38 	SLIST_ENTRY(backlight_device) next;  argument
43 bl_get_data(struct backlight_device *bd)  in bl_get_data()  argument
49 backlight_get_brightness(struct backlight_device *bd)  in backlight_get_brightness()
56 struct backlight_device *backlight_device_register(const char *, void *,
58 void backlight_device_unregister(struct backlight_device *);
60 static inline struct backlight_device *
69 backlight_update_status(struct backlight_device *bd)  in backlight_update_status()
75 backlight_force_update(struct backlight_device *bd, int reason)  in backlight_force_update()
81 backlight_device_set_brightness(struct backlight_device *bd, int level)  in backlight_device_set_brightness()
89 void backlight_schedule_update_status(struct backlight_device *);
91 int backlight_enable(struct backlight_device *);
92 int backlight_disable(struct backlight_device *);
94 static inline struct backlight_device *
100 struct backlight_device *backlight_device_get_by_name(const char *);