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| File: [Development] / linux-2.6-xfs / arch / powerpc / include / asm / backlight.h (download)
Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Merge up to 2.6.27-rc8 Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd. |
/*
* 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