#!/sbin/runscript
# Copyright 2007 Roy Marples
# All rights reserved

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

extra_commands="restore"

depend() {
	need localmount 
}

restore() {
	local mixer= retval=0
	ebegin "Restoring mixer settings"
	eindent
	for mixer in /dev/mixer*; do
		if [ -r "/var/db/${mixer#/dev/}-state" ]; then
			vebegin "${mixer}"
			mixer -f "${mixer}" $(cat "/var/db/${mixer#/dev/}-state") >/dev/null
			veend $?
			: $((retval += $?))
		fi
	done
}

start() {
	restore
}

stop() {
	local mixer= retval=0
	ebegin "Saving mixer settings"
	eindent
	for mixer in /dev/mixer*; do
		vebegin "${mixer}"
		mixer -f "${mixer}" -s >/var/db/"${mixer#/dev/}"-state
		veend $?
		: $((retval += $?))
	done
	eoutdent
	eend ${retval}
}