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