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#ifndef BACKEND_BACKLIGHT_H_
#define BACKEND_BACKLIGHT_H_
#include "timer.h"
#include "api.h"
#include "probe.h"
struct backlight {
const char *name;
int (*min_brightness)(struct backlight *b);
int (*max_brightness)(struct backlight *b);
int (*brightness_step)(struct backlight *b);
int (*current_brightness)(struct backlight *b);
int (*set_brightness)(struct backlight *b, int value);
int (*screen_lock)(struct backlight *b, int lock);
int (*screen_is_locked)(struct backlight *b);
void (*destroy)(struct backlight *b);
int (*update)(struct backlight *b);
unsigned int poll_interval;
/* Internal */
int autodim_enabled;
int autodim_enabled_on_ac;
int framebuffer_fd;
int fb_blanked;
struct sleeptimer timer;
};
void backlight_init(struct backlight *b, const char *name);
struct backlight * backlight_probe(void);
void backlight_destroy(struct backlight *b);
int backlight_fill_pt_message_stat(struct backlight *b, struct pt_message *msg);
int backlight_notify_state_change(struct backlight *b);
int backlight_set_brightness(struct backlight *b, int value);
int backlight_set_percentage(struct backlight *b, unsigned int percent);
int backlight_get_percentage(struct backlight *b);
int backlight_screen_lock(struct backlight *b, int lock);
DECLARE_PROBES(backlight);
#define BACKLIGHT_PROBE(_name, _func) DEFINE_PROBE(backlight, _name, _func)
#endif /* BACKEND_BACKLIGHT_H_ */
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