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backlight: Add backlight_device parameter to check_fb

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check_fb from backlight_ops lacks a reference to the backlight_device
that's being referred to. Add this parameter so a backlight_device
can be mapped to a single framebuffer, especially if the same driver
handles multiple devices on a single system.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Bruno Prémont
2010-02-21 00:20:01 +01:00
committed by Richard Purdie
parent a4ebb780e1
commit 57e148b6a9
3 changed files with 3 additions and 3 deletions
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include/linux/backlight.h
+1 -1
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@@ -47,7 +47,7 @@ struct backlight_ops {
int (*get_brightness)(struct backlight_device *);
/* Check if given framebuffer device is the one bound to this backlight;
return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
int (*check_fb)(struct fb_info *);
int (*check_fb)(struct backlight_device *, struct fb_info *);
};
/* This structure defines all the properties of a backlight */