diff options
Diffstat (limited to 'include/asm-powerpc/backlight.h')
| -rw-r--r-- | include/asm-powerpc/backlight.h | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/include/asm-powerpc/backlight.h b/include/asm-powerpc/backlight.h index 1ba1f27a0b63..a5e9e656e332 100644 --- a/include/asm-powerpc/backlight.h +++ b/include/asm-powerpc/backlight.h @@ -2,30 +2,30 @@ * Routines for handling backlight control on PowerBooks * * For now, implementation resides in - * arch/powerpc/platforms/powermac/pmac_support.c + * arch/powerpc/platforms/powermac/backlight.c * */ #ifndef __ASM_POWERPC_BACKLIGHT_H #define __ASM_POWERPC_BACKLIGHT_H #ifdef __KERNEL__ -/* Abstract values */ -#define BACKLIGHT_OFF 0 -#define BACKLIGHT_MIN 1 -#define BACKLIGHT_MAX 0xf +#include <linux/fb.h> +#include <linux/mutex.h> -struct backlight_controller { - int (*set_enable)(int enable, int level, void *data); - int (*set_level)(int level, void *data); -}; +/* For locking instructions, see the implementation file */ +extern struct backlight_device *pmac_backlight; +extern struct mutex pmac_backlight_mutex; -extern void register_backlight_controller(struct backlight_controller *ctrler, void *data, char *type); -extern void unregister_backlight_controller(struct backlight_controller *ctrler, void *data); +extern void pmac_backlight_calc_curve(struct fb_info*); +extern int pmac_backlight_curve_lookup(struct fb_info *info, int value); -extern int set_backlight_enable(int enable); -extern int get_backlight_enable(void); -extern int set_backlight_level(int level); -extern int get_backlight_level(void); +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 |