etc-gentoo/init.d/alsasound

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#!/sbin/runscript
# $Header: /var/cvsroot/gentoo-x86/media-sound/alsa-utils/files/alsasound.initd-r6,v 1.1 2014/06/23 21:34:42 ssuominen Exp $
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
alsastatedir=/var/lib/alsa
alsascrdir=/etc/alsa.d
alsahomedir=/var/run/alsasound
extra_commands="save restore"
depend() {
need localmount
after bootmisc modules isapnp coldplug hotplug
}
restore() {
ebegin "Restoring Mixer Levels"
checkpath -q -d -m 0700 -o root:root ${alsahomedir} || return 1
if [ ! -r "${alsastatedir}/asound.state" ] ; then
ewarn "No mixer config in ${alsastatedir}/asound.state, you have to unmute your card!"
eend 0
return 0
fi
local cards="$(sed -n -e 's/ *\([[:digit:]]*\) .*/\1/p' /proc/asound/cards)"
local CARDNUM
for cardnum in ${cards}; do
[ -e /dev/snd/controlC${cardnum} ] || sleep 2
[ -e /dev/snd/controlC${cardnum} ] || sleep 2
[ -e /dev/snd/controlC${cardnum} ] || sleep 2
[ -e /dev/snd/controlC${cardnum} ] || sleep 2
alsactl -E HOME="${alsahomedir}" -I -f "${alsastatedir}/asound.state" restore ${cardnum} \
|| ewarn "Errors while restoring defaults, ignoring"
done
for ossfile in "${alsastatedir}"/oss/card*_pcm* ; do
[ -e "${ossfile}" ] || continue
# We use cat because I'm not sure if cp works properly on /proc
local procfile=${ossfile##${alsastatedir}/oss}
procfile="$(echo "${procfile}" | sed -e 's,_,/,g')"
if [ -e /proc/asound/"${procfile}"/oss ] ; then
cat "${ossfile}" > /proc/asound/"${procfile}"/oss
fi
done
eend 0
}
save() {
ebegin "Storing ALSA Mixer Levels"
checkpath -q -d -m 0700 -o root:root ${alsahomedir} || return 1
mkdir -p "${alsastatedir}"
if ! alsactl -E HOME="${alsahomedir}" -f "${alsastatedir}/asound.state" store; then
eerror "Error saving levels."
eend 1
return 1
fi
for ossfile in /proc/asound/card*/pcm*/oss; do
[ -e "${ossfile}" ] || continue
local device=${ossfile##/proc/asound/} ; device=${device%%/oss}
device="$(echo "${device}" | sed -e 's,/,_,g')"
mkdir -p "${alsastatedir}/oss/"
cp "${ossfile}" "${alsastatedir}/oss/${device}"
done
eend 0
}
start() {
if [ "${RESTORE_ON_START}" = "yes" ]; then
restore
fi
return 0
}
stop() {
if [ "${SAVE_ON_STOP}" = "yes" ]; then
save
fi
return 0
}