110 	mutex_lock(&bd->ops_lock);  in fb_notifier_callback()
134 	mutex_unlock(&bd->ops_lock);  in fb_notifier_callback()
202 	mutex_lock(&bd->ops_lock);  in bl_power_store()
217 	mutex_unlock(&bd->ops_lock);  in bl_power_store()
236 	mutex_lock(&bd->ops_lock);  in backlight_device_set_brightness()
246 	mutex_unlock(&bd->ops_lock);  in backlight_device_set_brightness()
295 	mutex_lock(&bd->ops_lock);  in actual_brightness_show()
303 	mutex_unlock(&bd->ops_lock);  in actual_brightness_show()
326 	mutex_lock(&bd->ops_lock);  in backlight_suspend()
331 	mutex_unlock(&bd->ops_lock);  in backlight_suspend()
340 	mutex_lock(&bd->ops_lock);  in backlight_resume()
345 	mutex_unlock(&bd->ops_lock);  in backlight_resume()
394 	mutex_lock(&bd->ops_lock);  in backlight_force_update()
404 	mutex_unlock(&bd->ops_lock);  in backlight_force_update()
424 	mutex_init(&new_bd->ops_lock);  in backlight_device_register()
538 	mutex_lock(&bd->ops_lock);  in backlight_device_unregister()
540 	mutex_unlock(&bd->ops_lock);  in backlight_device_unregister()