blob: afa384cc9adf827b3e55f20bbaf87d4c64f40508 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#ifndef __VIDEO_BACKLIGHT_H
#define __VIDEO_BACKLIGHT_H
#ifdef CONFIG_DRIVER_VIDEO_BACKLIGHT
struct backlight_device {
int brightness;
int brightness_cur;
int brightness_max;
int brightness_default;
int slew_time_ms; /* time to stretch brightness changes */
int (*brightness_set)(struct backlight_device *, int brightness);
struct list_head list;
struct device_d dev;
struct device_node *node;
};
int backlight_set_brightness(struct backlight_device *, int brightness);
int backlight_set_brightness_default(struct backlight_device *);
int backlight_register(struct backlight_device *);
struct backlight_device *of_backlight_find(struct device_node *node);
#else
struct backlight_device ;
static inline int
backlight_set_brightness(struct backlight_device *dev, int brightness)
{
return 0;
}
static inline int
backlight_set_brightness_default(struct backlight_device *dev)
{
return 0;
}
static inline struct backlight_device *
of_backlight_find(struct device_node *node) { return NULL; }
#endif
#endif /* __VIDEO_BACKLIGHT_H */
|
