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| author |   ratchov <ratchov@openbsd.org> | 2018-05-26 10:20:24 +0000 |
|---|---|---|
| committer | ratchov <ratchov@openbsd.org> | 2018-05-26 10:20:24 +0000 |
| commit | d9bbeec97d0cb406c9fc176bcdce8e01cc2794a3 (patch) | |
| tree | 349a92bde582b4cb3bd12efee4f180f5c3521028 | |
| parent | In addition to "on" and "off", allow the audio "record.enable" mixer (diff) | |
| download | wireguard-openbsd-d9bbeec97d0cb406c9fc176bcdce8e01cc2794a3.tar.xz wireguard-openbsd-d9bbeec97d0cb406c9fc176bcdce8e01cc2794a3.zip | |
Document the new "record.enable" mixer knob.
help from and ok schwarze
| -rw-r--r-- | share/man/man4/audio.4 | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/share/man/man4/audio.4 b/share/man/man4/audio.4 index ec8a8418ce3..90df800d43c 100644 --- a/share/man/man4/audio.4 +++ b/share/man/man4/audio.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: audio.4,v 1.75 2016/09/08 20:42:58 ratchov Exp $ +.\" $OpenBSD: audio.4,v 1.76 2018/05/26 10:20:24 ratchov Exp $ .\" $NetBSD: audio.4,v 1.20 1998/05/28 17:27:15 augustss Exp $ .\" .\" Copyright (c) 1996 The NetBSD Foundation, Inc. @@ -28,7 +28,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: September 8 2016 $ +.Dd $Mdocdate: May 26 2018 $ .Dt AUDIO 4 .Os .Sh NAME @@ -51,6 +51,31 @@ underlying audio hardware drivers. The audio layer provides full-duplex operation if the underlying hardware configuration supports it. .Pp +In addition to hardware mixer controls like those +documented in +.Xr azalia 4 , +the +.Nm +driver exposes the +.Va record.enable +control. +It may be controlled with +.Xr mixerctl 1 . +It accepts the following values: +.Pp +.Bl -tag -offset indent -width "sysctl" -compact +.It Cm on +Recording is enabled. +.It Cm off +Silence is returned instead of the recorded samples. +.It Cm sysctl +Behavior is controlled by the +.Va kern.audio.record +.Xr sysctl 2 +variable. +This is the default. +.El +.Pp There are three device files available for audio operation: .Pa /dev/audio , .Pa /dev/audioctl , |