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@@ -36,18 +36,18 @@ struct backlight_device;
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struct fb_info;
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struct fb_info;
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struct backlight_ops {
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struct backlight_ops {
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- unsigned int options;
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+ const unsigned int options;
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#define BL_CORE_SUSPENDRESUME (1 << 0)
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#define BL_CORE_SUSPENDRESUME (1 << 0)
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/* Notify the backlight driver some property has changed */
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/* Notify the backlight driver some property has changed */
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- int (*update_status)(struct backlight_device *);
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+ int (* const update_status)(struct backlight_device *);
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/* Return the current backlight brightness (accounting for power,
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/* Return the current backlight brightness (accounting for power,
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fb_blank etc.) */
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fb_blank etc.) */
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- int (*get_brightness)(struct backlight_device *);
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+ int (* const get_brightness)(struct backlight_device *);
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/* Check if given framebuffer device is the one bound to this backlight;
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/* Check if given framebuffer device is the one bound to this backlight;
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return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
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return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
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- int (*check_fb)(struct fb_info *);
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+ int (* const check_fb)(struct fb_info *);
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};
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};
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/* This structure defines all the properties of a backlight */
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/* This structure defines all the properties of a backlight */
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@@ -86,7 +86,7 @@ struct backlight_device {
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registered this device has been unloaded, and if class_get_devdata()
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registered this device has been unloaded, and if class_get_devdata()
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points to something in the body of that driver, it is also invalid. */
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points to something in the body of that driver, it is also invalid. */
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struct mutex ops_lock;
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struct mutex ops_lock;
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- struct backlight_ops *ops;
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+ const struct backlight_ops *ops;
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/* The framebuffer notifier block */
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/* The framebuffer notifier block */
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struct notifier_block fb_notif;
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struct notifier_block fb_notif;
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@@ -103,7 +103,7 @@ static inline void backlight_update_status(struct backlight_device *bd)
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}
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}
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extern struct backlight_device *backlight_device_register(const char *name,
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extern struct backlight_device *backlight_device_register(const char *name,
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- struct device *dev, void *devdata, struct backlight_ops *ops);
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+ struct device *dev, void *devdata, const struct backlight_ops *ops);
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extern void backlight_device_unregister(struct backlight_device *bd);
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extern void backlight_device_unregister(struct backlight_device *bd);
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extern void backlight_force_update(struct backlight_device *bd,
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extern void backlight_force_update(struct backlight_device *bd,
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enum backlight_update_reason reason);
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enum backlight_update_reason reason);
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