snd_hda_get_conn_list
int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
num_conns = snd_hda_get_conn_list(codec, mix_nid, &list);
nums = snd_hda_get_conn_list(codec, to_nid, &conn);
nums = snd_hda_get_conn_list(codec, mix, &conn);
nums = snd_hda_get_conn_list(codec, nid, &conn);
EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
int len = snd_hda_get_conn_list(codec, nid, &list);
nums = snd_hda_get_conn_list(codec, mux, &conn);
cache_len = snd_hda_get_conn_list(codec, nid, &list);