| | 1 | /* |
| | 2 | * Routines for handling backlight control on PowerBooks |
| | 3 | * |
| | 4 | * For now, implementation resides in |
| | 5 | * arch/powerpc/platforms/powermac/backlight.c |
| | 6 | * |
| | 7 | */ |
| | 8 | #ifndef __ASM_POWERPC_BACKLIGHT_H |
| | 9 | #define __ASM_POWERPC_BACKLIGHT_H |
| | 10 | #ifdef __KERNEL__ |
| | 11 | |
| | 12 | #include <linux/fb.h> |
| | 13 | #include <linux/mutex.h> |
| | 14 | |
| | 15 | /* For locking instructions, see the implementation file */ |
| | 16 | extern struct backlight_device *pmac_backlight; |
| | 17 | extern struct mutex pmac_backlight_mutex; |
| | 18 | |
| | 19 | extern int pmac_backlight_curve_lookup(struct fb_info *info, int value); |
| | 20 | |
| | 21 | extern int pmac_has_backlight_type(const char *type); |
| | 22 | |
| | 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 | } |
| | 32 | |
| | 33 | extern void pmac_backlight_set_legacy_brightness_pmu(int brightness); |
| | 34 | extern int pmac_backlight_set_legacy_brightness(int brightness); |
| | 35 | extern int pmac_backlight_get_legacy_brightness(void); |
| | 36 | |
| | 37 | extern void pmac_backlight_enable(void); |
| | 38 | extern void pmac_backlight_disable(void); |
| | 39 | |
| | 40 | #endif /* __KERNEL__ */ |
| | 41 | #endif |
projects / deliverable / linux.git / blame_incremental