audio_alloc_ring  145 dev/audio.c    int	audio_alloc_ring(struct audio_softc *, struct audio_ringbuffer *, int, int);
audio_alloc_ring  267 dev/audio.c    	error = audio_alloc_ring(sc, &sc->sc_pr, AUMODE_PLAY, AU_RING_SIZE);
audio_alloc_ring  273 dev/audio.c    	error = audio_alloc_ring(sc, &sc->sc_rr, AUMODE_RECORD, AU_RING_SIZE);