/* will register the notifier into a notification chain that gets called upon changes to the pm_qos_class target value.  */
int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier)
/* will register the notifier into a notification chain that gets called upon changes to the pm_qos_class target value.  */
int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier)
{
	int retval;
	retval = blocking_notifier_chain_register(
			pm_qos_array[pm_qos_class]->notifiers, notifier);
	return retval;
}