autri_get_portnum_by_name
int autri_get_portnum_by_name(struct autri_softc *, char *, char *, char *);
ctl.dev = autri_get_portnum_by_name(sc,d[i].class,
ctl.dev = autri_get_portnum_by_name(sc,AudioCoutputs,AudioNmaster,NULL);