LIST_INITHEAD(&private_output->pending_commit_handler_list);
LIST_INITHEAD(&private_output->destroy_handler_list);
LIST_INITHEAD(&private_output->change_handler_list);
+ LIST_INITHEAD(&private_output->mode_change_request_handler_list);
if (func_output->output_set_status_handler) {
func_output->output_set_status_handler(private_output->output_backend,