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# 28 29# PROVIDE: mixer 30# REQUIRE: FILESYSTEMS 31# KEYWORD: nojail shutdown 32 33. /etc/rc.subr 34 35name="mixer" 36desc="Save and restore soundcard mixer values" 37rcvar="mixer_enable" 38stop_cmd="mixer_stop" 39start_cmd="mixer_start" 40reload_cmd="mixer_start" 41extra_commands="reload" 42 43# 44# List current mixer devices to stdout. 45# 46list_mixers() 47{ 48 ( cd /dev ; ls mixer* 2>/dev/null ) 49} 50 51# 52# Save state of an individual mixer specified as $1 53# 54mixer_save() 55{ 56 local dev 57 58 dev="/dev/${1}" 59 if [ -r ${dev} ]; then 60 /usr/sbin/mixer -f ${dev} -o > /var/db/${1}-state 2>/dev/null 61 fi 62} 63 64# 65# Restore the state of an individual mixer specified as $1 66# 67mixer_restore() 68{ 69 local file dev 70 71 dev="/dev/${1}" 72 file="/var/db/${1}-state" 73 if [ -r ${dev} -a -r ${file} ]; then 74 /usr/sbin/mixer -f ${dev} `cat ${file}` > /dev/null 75 fi 76} 77 78# 79# Restore state of all mixers 80# 81mixer_start() 82{ 83 local mixer 84 85 for mixer in `list_mixers`; do 86 mixer_restore ${mixer} 87 done 88} 89 90# 91# Save the state of all mixers 92# 93mixer_stop() 94{ 95 local mixer 96 97 for mixer in `list_mixers`; do 98 mixer_save ${mixer} 99 done 100} 101 102load_rc_config $name 103 104# doesn't make sense to run in a svcj: config setting 105mixer_svcj="NO" 106 107run_rc_command "$1" 108