struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card,
				     struct snd_ctl_elem_id *id)
{
	struct snd_kcontrol *kctl;

	if (snd_BUG_ON(!card || !id))
		return NULL;
	if (id->numid != 0)
		return snd_ctl_find_numid(card, id->numid);
#ifdef CONFIG_SND_CTL_FAST_LOOKUP
	kctl = xa_load(&card->ctl_hash, get_ctl_id_hash(id));
	if (kctl && elem_id_matches(kctl, id))
		return kctl;
	if (!card->ctl_hash_collision)
		return NULL; /* we can rely on only hash table */
#endif
	/* no matching in hash table - try all as the last resort */
	list_for_each_entry(kctl, &card->controls, list)
		if (elem_id_matches(kctl, id))
			return kctl;

	return NULL;
}