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-rw-r--r--include/linux/backlight.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index f46b88fa4a09..5f2fd61ef4fb 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -141,7 +141,6 @@ extern void devm_backlight_device_unregister(struct device *dev,
struct backlight_device *bd);
extern void backlight_force_update(struct backlight_device *bd,
enum backlight_update_reason reason);
-extern bool backlight_device_registered(enum backlight_type type);
extern int backlight_register_notifier(struct notifier_block *nb);
extern int backlight_unregister_notifier(struct notifier_block *nb);
extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type);