Date: Wed, 27 May 2026 15:33:29 +0000 From: Christos Margiolis <christos@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 8e804f3dd629 - main - sound: Retire unused hw.snd.vpc_mixer_bypass Message-ID: <6a170ec9.3036c.2571a1df@gitrepo.freebsd.org>
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The branch main has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=8e804f3dd6298d6aa8cbaf0f2a0267c6207ac8f7 commit 8e804f3dd6298d6aa8cbaf0f2a0267c6207ac8f7 Author: Christos Margiolis <christos@FreeBSD.org> AuthorDate: 2026-04-16 11:25:20 +0000 Commit: Christos Margiolis <christos@FreeBSD.org> CommitDate: 2026-05-27 15:32:11 +0000 sound: Retire unused hw.snd.vpc_mixer_bypass Sponsored by: The FreeBSD Foundation MFC after: 1 week Pull Request: https://ron-dev.freebsd.org/FreeBSD/src/pulls/18 --- share/man/man4/pcm.4 | 9 --------- sys/dev/sound/pcm/mixer.c | 5 ----- 2 files changed, 14 deletions(-) diff --git a/share/man/man4/pcm.4 b/share/man/man4/pcm.4 index b0f944a0d443..9ea0f14c3930 100644 --- a/share/man/man4/pcm.4 +++ b/share/man/man4/pcm.4 @@ -407,15 +407,6 @@ When a channel is closed the channel volume will be reset to 0db. This means that any changes to the volume will be lost. Enabling this will preserve the volume, at the cost of possible confusion when applications tries to re-open the same device. -.It Va hw.snd.vpc_mixer_bypass -The recommended way to use the VPC feature is to teach applications to use the -correct -.Fn ioctl : -.Dv SNDCTL_DSP_GETPLAYVOL , SNDCTL_DSP_SETPLAYVOL , -.Dv SNDCTL_DSP_SETRECVOL , SNDCTL_DSP_SETRECVOL . -This is however not always possible. -Enable this to allow applications to use their own existing mixer logic -to control their own channel volume. .It Va hw.snd.vpc_reset Enable to restore all channel volumes back to the default value of 0db. .It Va dev.pcm.%d.bitperfect diff --git a/sys/dev/sound/pcm/mixer.c b/sys/dev/sound/pcm/mixer.c index be4447b13964..d73361fe7e16 100644 --- a/sys/dev/sound/pcm/mixer.c +++ b/sys/dev/sound/pcm/mixer.c @@ -37,11 +37,6 @@ #include "feeder_if.h" #include "mixer_if.h" -static int mixer_bypass = 1; -SYSCTL_INT(_hw_snd, OID_AUTO, vpc_mixer_bypass, CTLFLAG_RWTUN, - &mixer_bypass, 0, - "control channel pcm/rec volume, bypassing real mixer device"); - #define MIXER_NAMELEN 16 struct snd_mixer { KOBJ_FIELDS;home | help
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