| /* | |
| * Routines for handling backlight control on PowerBooks | |
| * | |
| * For now, implementation resides in | |
| * arch/powerpc/platforms/powermac/backlight.c | |
| * | |
| */ | |
| #ifndef __ASM_POWERPC_BACKLIGHT_H | |
| #define __ASM_POWERPC_BACKLIGHT_H | |
| #ifdef __KERNEL__ | |
| #include <linux/fb.h> | |
| #include <linux/mutex.h> | |
| /* For locking instructions, see the implementation file */ | |
| extern struct backlight_device *pmac_backlight; | |
| extern struct mutex pmac_backlight_mutex; | |
| extern int pmac_backlight_curve_lookup(struct fb_info *info, int value); | |
| extern int pmac_has_backlight_type(const char *type); | |
| extern void pmac_backlight_key(int direction); | |
| static inline void pmac_backlight_key_up(void) | |
| { | |
| pmac_backlight_key(0); | |
| } | |
| static inline void pmac_backlight_key_down(void) | |
| { | |
| pmac_backlight_key(1); | |
| } | |
| extern void pmac_backlight_set_legacy_brightness_pmu(int brightness); | |
| extern int pmac_backlight_set_legacy_brightness(int brightness); | |
| extern int pmac_backlight_get_legacy_brightness(void); | |
| extern void pmac_backlight_enable(void); | |
| extern void pmac_backlight_disable(void); | |
| #endif /* __KERNEL__ */ | |
| #endif |