/* * 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 void pmac_backlight_calc_curve(struct fb_info*); 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_up(void); extern void pmac_backlight_key_down(void); extern int pmac_backlight_set_legacy_brightness(int brightness); extern int pmac_backlight_get_legacy_brightness(void); #endif /* __KERNEL__ */ #endif