backlight: Revert some const qualifiers

9905a43b2d563e6f89e4c63c4278ada03f2ebb14 went a little to far with const
qualifiers as there are legitiment cases where the function pointers
can change (machine specific setup code for example).

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 8c4f884..ee377d7 100644 (file)
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
 struct fb_info;
 
 struct backlight_ops {
-       const unsigned int options;
+       unsigned int options;
 
 #define BL_CORE_SUSPENDRESUME  (1 << 0)
 
        /* Notify the backlight driver some property has changed */
-       int (* const update_status)(struct backlight_device *);
+       int (*update_status)(struct backlight_device *);
        /* Return the current backlight brightness (accounting for power,
           fb_blank etc.) */
-       int (* const get_brightness)(struct backlight_device *);
+       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 (* const check_fb)(struct fb_info *);
+       int (*check_fb)(struct fb_info *);
 };
 
 /* This structure defines all the properties of a backlight */