yds_get_portnum_by_name
int yds_get_portnum_by_name(struct yds_softc *, char *, char *,
ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,