109 	mutex_lock(&bd->ops_lock);  in fb_notifier_callback()
133 	mutex_unlock(&bd->ops_lock);  in fb_notifier_callback()
201 	mutex_lock(&bd->ops_lock);  in bl_power_store()
216 	mutex_unlock(&bd->ops_lock);  in bl_power_store()
235 	mutex_lock(&bd->ops_lock);  in backlight_device_set_brightness()
245 	mutex_unlock(&bd->ops_lock);  in backlight_device_set_brightness()
294 	mutex_lock(&bd->ops_lock);  in actual_brightness_show()
299 	mutex_unlock(&bd->ops_lock);  in actual_brightness_show()
324 	mutex_lock(&bd->ops_lock);  in backlight_suspend()
329 	mutex_unlock(&bd->ops_lock);  in backlight_suspend()
338 	mutex_lock(&bd->ops_lock);  in backlight_resume()
343 	mutex_unlock(&bd->ops_lock);  in backlight_resume()
384 	mutex_lock(&bd->ops_lock);  in backlight_force_update()
387 	mutex_unlock(&bd->ops_lock);  in backlight_force_update()
407 	mutex_init(&new_bd->ops_lock);  in backlight_device_register()
527 	mutex_lock(&bd->ops_lock);  in backlight_device_unregister()
529 	mutex_unlock(&bd->ops_lock);  in backlight_device_unregister()