Clean up audio_allocbufs().
As a result of sc_audiochan cleanup, it is easy to access sc_hwvc.
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@ -1,4 +1,4 @@
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/* $NetBSD: audio.c,v 1.395 2017/08/15 05:05:32 isaki Exp $ */
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/* $NetBSD: audio.c,v 1.396 2017/08/15 05:11:25 isaki Exp $ */
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/*-
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* Copyright (c) 2016 Nathanial Sloss <nathanialsloss@yahoo.com.au>
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@ -148,7 +148,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.395 2017/08/15 05:05:32 isaki Exp $");
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__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.396 2017/08/15 05:11:25 isaki Exp $");
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#ifdef _KERNEL_OPT
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#include "audio.h"
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@ -279,7 +279,7 @@ void audio_calc_blksize(struct audio_softc *, int, struct virtual_channel *);
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void audio_fill_silence(const struct audio_params *, uint8_t *, int);
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int audio_silence_copyout(struct audio_softc *, int, struct uio *);
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static int audio_allocbufs(struct audio_softc *, struct virtual_channel *);
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static int audio_allocbufs(struct audio_softc *);
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void audio_init_ringbuffer(struct audio_softc *,
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struct audio_ringbuffer *, int);
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int audio_initbufs(struct audio_softc *, struct virtual_channel *);
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@ -592,7 +592,7 @@ audioattach(device_t parent, device_t self, void *aux)
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aprint_normal("\n");
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mutex_enter(sc->sc_lock);
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if (audio_allocbufs(sc, vc) != 0) {
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if (audio_allocbufs(sc) != 0) {
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aprint_error_dev(sc->sc_dev,
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"could not allocate ring buffer\n");
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mutex_exit(sc->sc_lock);
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@ -1107,10 +1107,13 @@ audio_print_params(const char *s, struct audio_params *p)
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/* Allocate all ring buffers. called from audioattach() */
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static int
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audio_allocbufs(struct audio_softc *sc, struct virtual_channel *vc)
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audio_allocbufs(struct audio_softc *sc)
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{
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struct virtual_channel *vc;
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int error;
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vc = sc->sc_hwvc;
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sc->sc_pr.s.start = NULL;
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vc->sc_mpr.s.start = NULL;
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sc->sc_rr.s.start = NULL;
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