From 508c40227caee4cef0e963e61a3a5172a108b455 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Tue, 11 Oct 2005 09:26:48 +1000 Subject: powerpc: Merged asm/backlight.h Signed-off-by: Paul Mackerras --- include/asm-powerpc/backlight.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/asm-powerpc/backlight.h (limited to 'include/asm-powerpc/backlight.h') diff --git a/include/asm-powerpc/backlight.h b/include/asm-powerpc/backlight.h new file mode 100644 index 0000000..1ba1f27 --- /dev/null +++ b/include/asm-powerpc/backlight.h @@ -0,0 +1,31 @@ +/* + * Routines for handling backlight control on PowerBooks + * + * For now, implementation resides in + * arch/powerpc/platforms/powermac/pmac_support.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 + +struct backlight_controller { + int (*set_enable)(int enable, int level, void *data); + int (*set_level)(int level, void *data); +}; + +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 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); + +#endif /* __KERNEL__ */ +#endif -- cgit v1.1