]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Routines for handling backlight control on PowerBooks | |
3 | * | |
508c4022 | 4 | * For now, implementation resides in |
5474c120 | 5 | * arch/powerpc/platforms/powermac/backlight.c |
1da177e4 LT |
6 | * |
7 | */ | |
508c4022 PM |
8 | #ifndef __ASM_POWERPC_BACKLIGHT_H |
9 | #define __ASM_POWERPC_BACKLIGHT_H | |
1da177e4 | 10 | #ifdef __KERNEL__ |
1da177e4 | 11 | |
5474c120 MH |
12 | #include <linux/fb.h> |
13 | #include <linux/mutex.h> | |
1da177e4 | 14 | |
5474c120 MH |
15 | /* For locking instructions, see the implementation file */ |
16 | extern struct backlight_device *pmac_backlight; | |
17 | extern struct mutex pmac_backlight_mutex; | |
1da177e4 | 18 | |
5474c120 | 19 | extern int pmac_backlight_curve_lookup(struct fb_info *info, int value); |
1da177e4 | 20 | |
5474c120 MH |
21 | extern int pmac_has_backlight_type(const char *type); |
22 | ||
e01af038 MH |
23 | extern void pmac_backlight_key(int direction); |
24 | static inline void pmac_backlight_key_up(void) | |
25 | { | |
26 | pmac_backlight_key(0); | |
27 | } | |
28 | static inline void pmac_backlight_key_down(void) | |
29 | { | |
30 | pmac_backlight_key(1); | |
31 | } | |
5474c120 | 32 | |
4b755999 | 33 | extern void pmac_backlight_set_legacy_brightness_pmu(int brightness); |
5474c120 MH |
34 | extern int pmac_backlight_set_legacy_brightness(int brightness); |
35 | extern int pmac_backlight_get_legacy_brightness(void); | |
1da177e4 | 36 | |
4b755999 MH |
37 | extern void pmac_backlight_enable(void); |
38 | extern void pmac_backlight_disable(void); | |
39 | ||
1da177e4 | 40 | #endif /* __KERNEL__ */ |
508c4022 | 41 | #endif |