Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_oneplus_msm8996 / a2826190aa157a1d29bef70ca81f8b51a9b36d29 / . / include / asm-powerpc / backlight.h
blob: 8cf5c37c3817c55af33ec1f5b5a24ebdf2a77f06 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * Routines for handling backlight control on PowerBooks
3 *
Paul Mackerras508c4022005-10-11 09:26:48 +1000[diff] [blame]4 * For now, implementation resides in
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]5 * arch/powerpc/platforms/powermac/backlight.c
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]6 *
7 */
Paul Mackerras508c4022005-10-11 09:26:48 +1000[diff] [blame]8#ifndef __ASM_POWERPC_BACKLIGHT_H
9#define __ASM_POWERPC_BACKLIGHT_H
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]10#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]11
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]12#include <linux/fb.h>
13#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]14
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]15/* For locking instructions, see the implementation file */
16extern struct backlight_device *pmac_backlight;
17extern struct mutex pmac_backlight_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]18
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]19extern int pmac_backlight_curve_lookup(struct fb_info *info, int value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]21extern int pmac_has_backlight_type(const char *type);
22
Michael Hanselmanne01af032006-07-10 04:44:45 -0700[diff] [blame]23extern void pmac_backlight_key(int direction);
24static inline void pmac_backlight_key_up(void)
25{
26 pmac_backlight_key(0);
27}
28static inline void pmac_backlight_key_down(void)
29{
30 pmac_backlight_key(1);
31}
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]32
Michael Hanselmann4b755992006-07-30 03:04:19 -0700[diff] [blame]33extern void pmac_backlight_set_legacy_brightness_pmu(int brightness);
Michael Hanselmann5474c122006-06-25 05:47:08 -0700[diff] [blame]34extern int pmac_backlight_set_legacy_brightness(int brightness);
35extern int pmac_backlight_get_legacy_brightness(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36
Michael Hanselmann4b755992006-07-30 03:04:19 -0700[diff] [blame]37extern void pmac_backlight_enable(void);
38extern void pmac_backlight_disable(void);
39
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40#endif /* __KERNEL__ */
Paul Mackerras508c4022005-10-11 09:26:48 +1000[diff] [blame]41#endif