102 lines
3.4 KiB
Groff
102 lines
3.4 KiB
Groff
.\" $NetBSD: hdaudioctl.8,v 1.6 2014/03/18 18:20:46 riastradh Exp $
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.\"
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.\" Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Precedence Technologies Ltd
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd October 6, 2009
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.Dt HDAUDIOCTL 8
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.Os
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.Sh NAME
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.Nm hdaudioctl
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.Nd program to manipulate
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.Xr hdaudio 4
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devices
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.Sh SYNOPSIS
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.Nm
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.Op Ar -f device
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.Ar command
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.Op Ar arguments
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.Sh DESCRIPTION
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The
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.Nm
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command can be used to inspect and reconfigure High Definition Audio devices
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and their child codecs.
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.Pp
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The mandatory
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.Ar command
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argument specifies the action to take.
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Valid commands are:
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.Bl -tag -width XgetXcodecidXnidX
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.It list
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For each child codec of the chosen
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.Xr hdaudio 4
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device, display the nid, vendor, product, subsystem and device IDs.
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.It get Ar codecid Ar nid
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Retrieve and display the current codec configuration as a
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.Xr proplib 3
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XML plist.
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.It set Ar codecid Ar nid Op Ar plist
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Detach the specified
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.Xr hdafg 4
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codec and then re-attach with its widgets explicitly configured according to
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the specified plist.
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If no plist is given, the in-built widget parsing rules based on the High
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Definition Audio specification will be used.
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.It graph Ar codecid Ar nid
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Output a DOT file suitable processing by graphviz.
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The resulting image will graphically show the structure and interconnections
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of the widgets that form the chosen
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.Xr hdafg 4
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codec.
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.El
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.Sh FILES
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.Bl -tag -width /dev/hdaudioX -compact
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.It Pa /dev/hdaudioX
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control devices
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.El
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.Sh SEE ALSO
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.Xr audio 4 ,
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.Xr hdaudio 4 ,
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.Pa pkgsrc/graphics/graphviz
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.Sh HISTORY
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The
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.Nm
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command first appeared in
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.Nx 5.1 .
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.Sh AUTHORS
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.Nm
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is based on two separate programs written by
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.An Jared McNeill Aq Mt jmcneill@NetBSD.org
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under contract by
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.Lk http://www.precedence.co.uk/ Precedence Technologies Ltd .
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Integration into one program and writing this manual page was done by
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.An Stephen Borrill Aq Mt sborrill@NetBSD.org .
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.Sh CAVEATS
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When a plist is loaded and the
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.Xr hdafg 4
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codec reattaches, all mixer controls will be returned to their default values.
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