mixer revision 127478
1#!/bin/sh - 2# 3# Copyright (c) 2004 The FreeBSD Project 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD: head/etc/rc.d/mixer 127478 2004-03-27 09:26:22Z dougb $ 28# 29 30# PROVIDE: mixer 31# REQUIRE: LOGIN usbd 32# KEYWORD: FreeBSD nojail shutdown 33 34. /etc/rc.subr 35 36name="mixer" 37stop_cmd="mixer_stop" 38start_cmd="mixer_start" 39reload_cmd="mixer_start" 40extra_commands="reload" 41 42# 43# List current mixer devices to stdout. 44# 45list_mixers() 46{ 47 ( cd /dev ; ls mixer* 2>/dev/null ) 48} 49 50# 51# Save state of an individual mixer specified as $1 52# 53mixer_save() 54{ 55 local dev 56 57 dev="/dev/${1}" 58 if [ -r ${dev} ]; then 59 /usr/sbin/mixer -f ${dev} -s > /var/db/${1}-state 2>/dev/null 60 fi 61} 62 63# 64# Restore the state of an individual mixer specified as $1 65# 66mixer_restore() 67{ 68 local file dev 69 70 dev="/dev/${1}" 71 file="/var/db/${1}-state" 72 if [ -r ${dev} -a -r ${file} ]; then 73 /usr/sbin/mixer -f ${dev} `cat ${file}` > /dev/null 74 fi 75} 76 77# 78# Restore state of all mixers 79# 80mixer_start() 81{ 82 local mixer 83 84 for mixer in `list_mixers`; do 85 mixer_restore ${mixer} 86 done 87} 88 89# 90# Save the state of all mixers 91# 92mixer_stop() 93{ 94 local mixer 95 96 for mixer in `list_mixers`; do 97 mixer_save ${mixer} 98 done 99} 100 101load_rc_config $name 102run_rc_command "$1" 103