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ossaudio(3): Add SNDCTL_AUDIOINFO_EX as an alias of SNDCTL_AUDIOINFO

This commit is contained in:
nia 2020-10-20 08:57:45 +00:00
parent 6b533c04da
commit 41a2db1f31
2 changed files with 11 additions and 3 deletions
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11
lib/libossaudio/ossaudio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ossaudio.c,v 1.53 2020/10/20 06:53:37 nia Exp $ */
/* $NetBSD: ossaudio.c,v 1.54 2020/10/20 08:57:45 nia Exp $ */
/*-
* Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: ossaudio.c,v 1.53 2020/10/20 06:53:37 nia Exp $");
__RCSID("$NetBSD: ossaudio.c,v 1.54 2020/10/20 08:57:45 nia Exp $");
/*
* This is an Open Sound System compatibility layer, which provides
@ -1045,6 +1045,13 @@ mixer_oss4_ioctl(int fd, unsigned long com, void *argp)
switch (com) {
case SNDCTL_AUDIOINFO:
/*
* SNDCTL_AUDIOINFO_EX is intended for underlying hardware devices
* that are to be opened in "exclusive mode" (bypassing the normal
* kernel mixer for exclusive control). NetBSD does not support
* bypassing the kernel mixer, so it's an alias of SNDCTL_AUDIOINFO.
*/
case SNDCTL_AUDIOINFO_EX:
case SNDCTL_ENGINEINFO:
devno = 0;
tmpai = (struct oss_audioinfo*)argp;

3
lib/libossaudio/soundcard.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: soundcard.h,v 1.29 2020/10/20 06:33:52 nia Exp $ */
/* $NetBSD: soundcard.h,v 1.30 2020/10/20 08:57:45 nia Exp $ */
/*-
* Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.
@ -418,6 +418,7 @@ typedef struct oss_audioinfo {
#define SNDCTL_MIX_ENUMINFO _IOWR ('X',8, oss_mixer_enuminfo)
#define SNDCTL_MIXERINFO _IOWR ('X',10, oss_mixerinfo)
#define SNDCTL_ENGINEINFO _IOWR ('X',12, oss_audioinfo)
#define SNDCTL_AUDIOINFO_EX _IOWR ('X',13, oss_audioinfo)
#define SNDCTL_MIX_DESCRIPTION _IOWR ('X',14, oss_mixer_enuminfo)
#define MIXT_DEVROOT 0 /* Used for default classes */