Module Name: src Committed By: nat Date: Sun Jun 25 09:42:40 UTC 2017
Modified Files: src/sys/dev: audio.c Log Message: Don't start playback or recording on the hw ring only stream ring buffers. To generate a diff of this commit: cvs rdiff -u -r1.364 -r1.365 src/sys/dev/audio.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/audio.c diff -u src/sys/dev/audio.c:1.364 src/sys/dev/audio.c:1.365 --- src/sys/dev/audio.c:1.364 Sun Jun 25 02:47:28 2017 +++ src/sys/dev/audio.c Sun Jun 25 09:42:40 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: audio.c,v 1.364 2017/06/25 02:47:28 nat Exp $ */ +/* $NetBSD: audio.c,v 1.365 2017/06/25 09:42:40 nat Exp $ */ /*- * Copyright (c) 2016 Nathanial Sloss <nathanialsl...@yahoo.com.au> @@ -148,7 +148,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.364 2017/06/25 02:47:28 nat Exp $"); +__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.365 2017/06/25 09:42:40 nat Exp $"); #ifdef _KERNEL_OPT #include "audio.h" @@ -3485,6 +3485,7 @@ int audiostartr(struct audio_softc *sc, struct virtual_channel *vc) { + struct audio_chan *chan; int error; KASSERT(mutex_owned(sc->sc_lock)); @@ -3493,8 +3494,11 @@ audiostartr(struct audio_softc *sc, stru vc->sc_mrr.s.start, audio_stream_get_used(&vc->sc_mrr.s), vc->sc_mrr.usedhigh, vc->sc_mrr.mmapped)); + chan = SIMPLEQ_FIRST(&sc->sc_audiochan); if (!audio_can_capture(sc)) return EINVAL; + if (vc == chan->vc) + return 0; error = 0; if (sc->sc_rec_started == false) { @@ -3525,6 +3529,8 @@ audiostartp(struct audio_softc *sc, stru if (!audio_can_playback(sc)) return EINVAL; + if (vc == chan->vc) + return 0; if (!vc->sc_mpr.mmapped && used < vc->sc_mpr.blksize) { cv_broadcast(&sc->sc_wchan);