60 	mutex_lock(&bd->ops_lock);  in fb_notifier_callback()
83 	mutex_unlock(&bd->ops_lock);  in fb_notifier_callback()
151 	mutex_lock(&bd->ops_lock);  in bl_power_store()
166 	mutex_unlock(&bd->ops_lock);  in bl_power_store()
185 	mutex_lock(&bd->ops_lock);  in backlight_device_set_brightness()
195 	mutex_unlock(&bd->ops_lock);  in backlight_device_set_brightness()
244 	mutex_lock(&bd->ops_lock);  in actual_brightness_show()
249 	mutex_unlock(&bd->ops_lock);  in actual_brightness_show()
274 	mutex_lock(&bd->ops_lock);  in backlight_suspend()
279 	mutex_unlock(&bd->ops_lock);  in backlight_suspend()
288 	mutex_lock(&bd->ops_lock);  in backlight_resume()
293 	mutex_unlock(&bd->ops_lock);  in backlight_resume()
330 	mutex_lock(&bd->ops_lock);  in backlight_force_update()
333 	mutex_unlock(&bd->ops_lock);  in backlight_force_update()
365 	mutex_init(&new_bd->ops_lock);  in backlight_device_register()
460 	mutex_lock(&bd->ops_lock);  in backlight_device_unregister()
462 	mutex_unlock(&bd->ops_lock);  in backlight_device_unregister()