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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/powerpc/include/asm/backlight.h | |
parent | [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff) | |
parent | kbuild: a better way to generate cscope database change (diff) | |
download | linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/powerpc/include/asm/backlight.h')
-rw-r--r-- | arch/powerpc/include/asm/backlight.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h new file mode 100644 index 000000000000..8cf5c37c3817 --- /dev/null +++ b/arch/powerpc/include/asm/backlight.h @@ -0,0 +1,41 @@ +/* + * 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 |