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Explain in the DESCRIPTION section in which cases mixerctl should be used

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joint work with jmc, thanks
This commit is contained in:
ratchov 2020-04-23 14:47:20 +00:00
parent 35c929962d
commit effb35dad8
1 changed files with 18 additions and 5 deletions
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23
usr.bin/mixerctl/mixerctl.8
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@ -1,4 +1,4 @@
.\" $OpenBSD: mixerctl.8,v 1.6 2020/04/23 05:54:35 ratchov Exp $
.\" $OpenBSD: mixerctl.8,v 1.7 2020/04/23 14:47:20 ratchov Exp $
.\" $NetBSD: mixerctl.1,v 1.8 1998/05/09 12:41:16 augustss Exp $
.\"
.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
.Os
.Sh NAME
.Nm mixerctl
.Nd manipulate audio hardware controls
.Nd manipulate controls for audio hardware
.Sh SYNOPSIS
.Nm mixerctl
.Op Fl anv
@ -52,12 +52,25 @@
.Sh DESCRIPTION
The
.Nm
command displays or sets various audio device controls.
command displays or sets various controls for audio hardware,
such as microphone reference voltage or output level.
Where hardware defaults are not the desired ones,
controls can be set at system startup using the configuration file
.Xr mixerctl.conf 5 .
.Pp
.Nm
itself can only be run by the superuser.
Common controls should be adjusted at runtime using
.Xr sndioctl 1 ,
which is intended for every day use and requires no superuser privileges.
Manual use of
.Nm
is intended for controls which cannot be set using
.Xr sndioctl 1 .
.Pp
If a list of control names is present on the command line,
.Nm
prints the current value of those controls for the specified device.
Controls can also be set up at system startup using the configuration file
.Xr mixerctl.conf 5 .
.Pp
The options are as follows:
.Bl -tag -width "-f file"