| 1 |
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| 2 | |
| 3 | * Routines for handling backlight control on PowerBooks
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| 4 | *
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| 5 | * For now, implementation resides in
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| 6 | * arch/powerpc/platforms/powermac/backlight.c
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| 7 | *
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| 8 |
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| 9 | #ifndef __ASM_POWERPC_BACKLIGHT_H
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| 10 | #define __ASM_POWERPC_BACKLIGHT_H
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| 11 | #ifdef __KERNEL__
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| 12 |
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| 13 | #include <linux/mutex.h>
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| 14 |
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| 15 | struct backlight_device;
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| 16 |
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| 17 |
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| 18 | extern struct backlight_device *pmac_backlight;
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| 19 | extern struct mutex pmac_backlight_mutex;
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| 20 |
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| 21 | extern int pmac_has_backlight_type(const char *type);
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| 22 |
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| 23 | extern void pmac_backlight_key(int direction);
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| 24 | static inline void pmac_backlight_key_up(void)
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| 25 | {
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| 26 | pmac_backlight_key(0);
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| 27 | }
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| 28 | static inline void pmac_backlight_key_down(void)
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| 29 | {
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| 30 | pmac_backlight_key(1);
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| 31 | }
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| 32 |
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| 33 | extern void pmac_backlight_set_legacy_brightness_pmu(int brightness);
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| 34 | extern int pmac_backlight_set_legacy_brightness(int brightness);
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| 35 | extern int pmac_backlight_get_legacy_brightness(void);
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| 36 |
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| 37 | extern void pmac_backlight_enable(void);
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| 38 | extern void pmac_backlight_disable(void);
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| 39 |
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| 40 | #endif
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| 41 | #endif
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