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| author | Paul Mackerras <paulus@samba.org> | 2005-10-11 09:26:48 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-11 09:59:38 +1000 |
| commit | 508c40227caee4cef0e963e61a3a5172a108b455 (patch) | |
| tree | 2cec3435f5fec2f088d41d0d3f07dea54b278646 /include/asm-powerpc/backlight.h | |
| parent | 20f629549b30a1154c8b5e830cb10a0c0faa875f (diff) | |
| download | linux-508c40227caee4cef0e963e61a3a5172a108b455.tar.bz2 | |
powerpc: Merged asm/backlight.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/backlight.h')
| -rw-r--r-- | include/asm-powerpc/backlight.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-powerpc/backlight.h b/include/asm-powerpc/backlight.h new file mode 100644 index 000000000000..1ba1f27a0b63 --- /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 |