backlight: Constify struct backlight_ops

Signed-off-by: Emese Revfy <re.emese@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0f5f57858a23..8c4f884db6b4 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
 struct fb_info;
 
 struct backlight_ops {
-        unsigned int options;
+        const unsigned int options;
 
 #define BL_CORE_SUSPENDRESUME   (1 << 0)
 
         /* Notify the backlight driver some property has changed */
-        int (*update_status)(struct backlight_device *);
+        int (* const update_status)(struct backlight_device *);
         /* Return the current backlight brightness (accounting for power,
            fb_blank etc.) */
-        int (*get_brightness)(struct backlight_device *);
+        int (* const 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 (* const check_fb)(struct fb_info *);
 };
 
 /* This structure defines all the properties of a backlight */
@@ -86,7 +86,7 @@ struct backlight_device {
            registered this device has been unloaded, and if class_get_devdata()
            points to something in the body of that driver, it is also invalid. */
         struct mutex ops_lock;
-        struct backlight_ops *ops;
+        const struct backlight_ops *ops;
 
         /* The framebuffer notifier block */
         struct notifier_block fb_notif;
@@ -103,7 +103,7 @@ static inline void backlight_update_status(struct backlight_device *bd)
 }
 
 extern struct backlight_device *backlight_device_register(const char *name,
-        struct device *dev, void *devdata, struct backlight_ops *ops);
+        struct device *dev, void *devdata, const struct backlight_ops *ops);
 extern void backlight_device_unregister(struct backlight_device *bd);
 extern void backlight_force_update(struct backlight_device *bd,
                                    enum backlight_update_reason reason);