53 	mutex_lock(&bd->ops_lock);  in fb_notifier_callback()
76 	mutex_unlock(&bd->ops_lock);  in fb_notifier_callback()
144 	mutex_lock(&bd->ops_lock);  in bl_power_store()
153 	mutex_unlock(&bd->ops_lock);  in bl_power_store()
180 	mutex_lock(&bd->ops_lock);  in brightness_store()
191 	mutex_unlock(&bd->ops_lock);  in brightness_store()
223 	mutex_lock(&bd->ops_lock);  in actual_brightness_show()
228 	mutex_unlock(&bd->ops_lock);  in actual_brightness_show()
241 	mutex_lock(&bd->ops_lock);  in backlight_suspend()
246 	mutex_unlock(&bd->ops_lock);  in backlight_suspend()
255 	mutex_lock(&bd->ops_lock);  in backlight_resume()
260 	mutex_unlock(&bd->ops_lock);  in backlight_resume()
296 	mutex_lock(&bd->ops_lock);  in backlight_force_update()
299 	mutex_unlock(&bd->ops_lock);  in backlight_force_update()
331 	mutex_init(&new_bd->ops_lock);  in backlight_device_register()
426 	mutex_lock(&bd->ops_lock);  in backlight_device_unregister()
428 	mutex_unlock(&bd->ops_lock);  in backlight_device_unregister()