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# $FreeBSD$ 28# 29 30# PROVIDE: mixer 31# REQUIRE: FILESYSTEMS 32# KEYWORD: nojail shutdown 33 34. /etc/rc.subr 35 36name="mixer" 37desc="Save and restore soundcard mixer values" 38rcvar="mixer_enable" 39stop_cmd="mixer_stop" 40start_cmd="mixer_start" 41reload_cmd="mixer_start" 42extra_commands="reload" 43 44# 45# List current mixer devices to stdout. 46# 47list_mixers() 48{ 49 ( cd /dev ; ls mixer* 2>/dev/null ) 50} 51 52# 53# Save state of an individual mixer specified as $1 54# 55mixer_save() 56{ 57 local dev 58 59 dev="/dev/${1}" 60 if [ -r ${dev} ]; then 61 /usr/sbin/mixer -f ${dev} -s > /var/db/${1}-state 2>/dev/null 62 fi 63} 64 65# 66# Restore the state of an individual mixer specified as $1 67# 68mixer_restore() 69{ 70 local file dev 71 72 dev="/dev/${1}" 73 file="/var/db/${1}-state" 74 if [ -r ${dev} -a -r ${file} ]; then 75 /usr/sbin/mixer -f ${dev} `cat ${file}` > /dev/null 76 fi 77} 78 79# 80# Restore state of all mixers 81# 82mixer_start() 83{ 84 local mixer 85 86 for mixer in `list_mixers`; do 87 mixer_restore ${mixer} 88 done 89} 90 91# 92# Save the state of all mixers 93# 94mixer_stop() 95{ 96 local mixer 97 98 for mixer in `list_mixers`; do 99 mixer_save ${mixer} 100 done 101} 102 103load_rc_config $name 104run_rc_command "$1" 105