1.\" $NetBSD: mixerctl.1,v 1.4 1997/10/19 05:09:35 lukem Exp $ 2.\" Copyright (c) 1997 The NetBSD Foundation, Inc. 3.\" All rights reserved. 4.\" 5.\" Author: Lennart Augustsson 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the NetBSD 18.\" Foundation, Inc. and its contributors. 19.\" 4. Neither the name of The NetBSD Foundation nor the names of its 20.\" contributors may be used to endorse or promote products derived 21.\" from this software without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33.\" POSSIBILITY OF SUCH DAMAGE. 34.\" 35.Dd May 4, 1997 36.Dt MIXERCTL 1 37.Os 38.Sh NAME 39.Nm mixerctl 40.Nd control audio mixing 41.Sh SYNOPSIS 42.Nm 43.Op Fl f Ar file 44.Op Fl n 45.Op Fl v 46.Fl a 47.Nm "" 48.Op Fl f Ar file 49.Op Fl n 50.Op Fl v 51.Ar name ... 52.Nm "" 53.Op Fl f Ar file 54.Op Fl n 55.Fl w 56.Ar name=value ... 57.Sh DESCRIPTION 58The 59.Nm 60command displays or sets various audio system mixing variables. 61If a list of variables is present on the command line, then 62.Nm 63prints the current value of those variables for the specified device. 64If the 65.Fl a 66flag is specified, all variables for the device are printed. 67If the 68.Fl w 69flag is specified 70.Nm 71attempts to set the specified variables to the given values. 72.Pp 73The 74.Fl f 75flag can be used to give an alternative mixer device, the default is 76.Pa /dev/mixer. 77.Pp 78The 79.Fl n 80flag suppresses printing of the variable name. 81.Pp 82The 83.Fl v 84flag shows the possible values of enumeration and set valued 85variables. Enumerated values are shown in [] and set values 86are shown in {}. 87.Sh FILES 88.Bl -tag -width /dev/mixer 89.It Pa /dev/mixer 90mixer audio device 91.El 92.Sh SEE ALSO 93.Xr audioctl 1 , 94.Xr audio 4 , 95.Xr sysctl 8 96.Sh HISTORY 97The 98.Nm 99command first appeared in 100.Nx 1.3 . 101 102