Module Name: src
Committed By: nat
Date: Fri Jan 12 04:10:10 UTC 2018
Modified Files:
src/sys/dev: audio.c
Log Message:
Allow open of audioctl devices whilst audio is open with the mixer
disabled.
XXX pullup -8
To generate a diff of this commit:
cvs rdiff -u -r1.449 -r1.450 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:1.449 src/sys/dev/audio.c:1.450
--- src/sys/dev/audio.c:1.449 Tue Jan 9 04:14:21 2018
+++ src/sys/dev/audio.c Fri Jan 12 04:10:10 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: audio.c,v 1.449 2018/01/09 04:14:21 nat Exp $ */
+/* $NetBSD: audio.c,v 1.450 2018/01/12 04:10:10 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 1.449 2018/01/09 04:14:21 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.450 2018/01/12 04:10:10 nat Exp $");
#ifdef _KERNEL_OPT
#include "audio.h"
@@ -2175,6 +2175,9 @@ audio_open(dev_t dev, struct audio_softc
vc = sc->sc_hwvc;
chan->vc = vc;
+ if (!sc->sc_usemixer && AUDIODEV(dev) == AUDIOCTL_DEVICE)
+ goto audioctl_dev;
+
if (sc->sc_usemixer) {
vc->sc_open = 0;
vc->sc_mode = 0;
@@ -2292,9 +2295,12 @@ audio_open(dev_t dev, struct audio_softc
/* audio_close() decreases sc_mpr[n].usedlow, recalculate here */
audio_calcwater(sc, vc);
+audioctl_dev:
error = fd_allocfile(&fp, &fd);
if (error)
goto bad;
+ if (!sc->sc_usemixer && AUDIODEV(dev) == AUDIOCTL_DEVICE)
+ goto setup_chan;
DPRINTF(("audio_open: done sc_mode = 0x%x\n", vc->sc_mode));
@@ -2304,6 +2310,8 @@ audio_open(dev_t dev, struct audio_softc
sc->sc_recopens++;
if (flags & FWRITE)
sc->sc_opens++;
+
+setup_chan:
chan->dev = dev;
chan->chan = n;
chan->deschan = n;
@@ -2480,6 +2488,9 @@ audio_close(struct audio_softc *sc, int
KASSERT(mutex_owned(sc->sc_lock));
+ if (!sc->sc_usemixer && AUDIODEV(chan->dev) == AUDIOCTL_DEVICE)
+ return 0;
+
if (sc->sc_opens == 0 && sc->sc_recopens == 0)
return ENXIO;
