113 lines
2.5 KiB
Bash
113 lines
2.5 KiB
Bash
#!/bin/sh -
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#
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# Copyright (c) 2004 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: mixer
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# REQUIRE: LOGIN usbd
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# KEYWORD: FreeBSD nojail
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. /etc/rc.subr
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name="mixer"
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stop_cmd="mixer_stop"
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start_cmd="mixer_start"
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reload_cmd="mixer_start"
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extra_commands="reload"
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#
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# List current mixer devices to stdout.
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#
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list_mixers()
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{
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( cd /dev ; ls mixer* 2>/dev/null )
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}
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#
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# Echo state file name for an individual mixer ($1) to stdout
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#
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mixer_statefile()
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{
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echo "/var/db/${1}-state"
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}
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#
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# Save state of an individual mixer specified as $1
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#
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mixer_save()
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{
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local file dev
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dev="/dev/${1}"
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file=`mixer_statefile $1`
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if [ -r ${dev} ]; then
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/usr/sbin/mixer -f ${dev} -s > ${file} 2>/dev/null
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fi
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}
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#
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# Restore the state of an individual mixer specified as $1
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#
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mixer_restore()
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{
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local file dev
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dev="/dev/${1}"
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file=`mixer_statefile $1`
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if [ -r ${dev} -a -r ${file} ]; then
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/usr/sbin/mixer -f ${dev} `cat ${file}` > /dev/null
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fi
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}
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#
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# Restore state of all mixers
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#
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mixer_start()
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{
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local mixer
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for mixer in `list_mixers`; do
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mixer_restore ${mixer}
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done
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}
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#
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# Save the state of all mixers
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#
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mixer_stop()
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{
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local mixer
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for mixer in `list_mixers`; do
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mixer_save ${mixer}
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done
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}
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load_rc_config $name
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run_rc_command "$1"
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