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NetBSD 6.1.5 - man page for hdaudioctl (netbsd section 8)

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HDAUDIOCTL(8)			   BSD System Manager's Manual			    HDAUDIOCTL(8)

     hdaudioctl -- program to manipulate hdaudio(4) devices.

     hdaudioctl [-f device] command [arguments]

     The hdaudioctl command can be used to inspect and reconfigure High Definition Audio devices
     and their child codecs.

     The mandatory command argument specifies the action to take.  Valid commands are:

     list		For each child codec of the chosen hdaudio(4) device, display the nid,
			vendor, product, subsystem and device IDs.

     get codecid nid	Retrieve and display the current codec configuration as a proplib(3) XML

     set codecid nid [plist]
			Detach the specified hdafg(4) codec and then re-attach with its widgets
			explicitly configured according to the specified plist.  If no plist is
			given, the in-built widget parsing rules based on the High Definition
			Audio specification will be used.

     graph codecid nid	Output a DOT file suitable processing by graphviz.  The resulting image
			will graphically show the structure and interconnections of the widgets
			that form the chosen hdafg(4) codec.

     /dev/hdaudioX  control devices

     audio(4), hdaudio(4), pkgsrc/graphics/graphviz

     The hdaudioctl command first appeared in NetBSD 5.1.

     hdaudioctl is based on two separate programs written by Jared McNeill <jmcneill@NetBSD.org>
     under contract by
     Precedence Technologies Ltd <http://www.precedence.co.uk/>.  Integration into one program
     and writing this manual page was done by
     Stephen Borrill <sborrill@NetBSD.org>.

     When a plist is loaded and the hdafg(4) codec reattaches, all mixer controls will be
     returned to their default values.

BSD					 October 6, 2009				      BSD
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