218 lines
6.1 KiB
Text
218 lines
6.1 KiB
Text
#!/sbin/runscript
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# $Header: /var/cvsroot/gentoo-x86/media-sound/alsa-utils/files/alsasound.initd-r4,v 1.2 2011/10/23 15:59:07 polynomial-c Exp $
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# Copyright 1999-2011 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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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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load_modules() {
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# List of drivers for each card.
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local DRIVERS="$(modprobe -c | sed -n -e 's/^alias \(snd-card-[[:digit:]]\+\) .*/\1/p')"
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# Fall back on the automated aliases if we don't have ALSA configured properly...
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if [ -z "${DRIVERS}" ] && \
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( [ ! -r /proc/asound/cards ] || grep -q ' no soundcards ' /proc/asound/cards 2>/dev/null ) ; then
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ewarn "Could not detect custom ALSA settings. Loading all detected alsa drivers."
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DRIVERS="$(modprobe -c | sed -n -e '/^alias pci:.* snd.*/ s/^alias pci:[^ ]* \(.*\)/\1/p' | sort | uniq)"
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if [ -z "${DRIVERS}" ] ; then
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eerror "Unable to find any ALSA drivers. Have you compiled alsa-drivers correctly?"
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fi
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fi
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if [ "${ENABLE_OSS_EMUL}" = "yes" ] ; then
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DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.*oss/ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')"
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fi
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# We want to ensure snd-seq is loaded as it is needed for things like
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# timidity even if we don't use a real sequencer.
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DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.seq\./ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')"
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# We want to ensure snd-ioctl32 is loaded as it is needed for 32bit
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# compatibility
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DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.ioctl32\./ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')"
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local DRIVER= DMOD=
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for DRIVER in ${DRIVERS} ; do
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[ "${DRIVER}" = "off" ] && continue
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DMOD="$(echo "${DRIVER}" | sed -e 's/-/_/g')"
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if ! grep -q "^${DMOD} " /proc/modules ; then
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ebegin "Loading: ${DRIVER}"
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modprobe ${DRIVER}
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eend $?
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fi
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done
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if [ -f /proc/asound/seq/drivers ] ; then
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local SEQUENCERS="$(sed -n -e 's/\([^,]*\),empty,.*/\1/p' /proc/asound/seq/drivers)"
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local SEQUENCER
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for SEQUENCER in ${SEQUENCERS} ; do
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DMOD="$(echo "${SEQUENCER}" | sed -e 's/-/_/g')"
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if ! grep -q "^${DMOD} " /proc/modules ; then
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ebegin "Loading: ${SEQUENCER}"
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modprobe ${SEQUENCER}
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eend $?
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fi
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done
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fi
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for DRIVER in ${DRIVERS}
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do
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local TMP=${DRIVER##snd-}
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TMP=${TMP##snd_}
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if [ -x "${alsascrdir}/${TMP}" ] ; then
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ebegin "Running: ${alsascrdir}/${TMP}"
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"${alsascrdir}/${TMP}"
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eend $?
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fi
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done
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if [ ! -d /proc/asound ] || grep -q ' no soundcards ' /proc/asound/cards ; then
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eerror "ERROR: Failed to load necessary drivers"
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return 1
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fi
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}
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unload_modules_24() {
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local LOADED_MODULES="$(lsmod | sed -n -e 's/^\(snd[^ ]*\) .*/\1/p')"
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local MODULE
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for MODULE in ${LOADED_MODULES} ; do
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rmmod "${MODULE}"
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done
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rmmod soundcore 2>/dev/null
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rmmod gameport 2>/dev/null
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lsmod | grep -vq '^snd'
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}
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unload_modules_recursive() {
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local revdeps="$(lsmod | sed -n -e "s/,/ /g" -e "s/^$1 *[0-9]* *[0-9]* \(.*\)/\1/p")"
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for module in ${revdeps} ; do
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unload_modules_recursive "${module}"
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done
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vebegin "Unloading: $1"
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rmmod --wait "$1"
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veend $?
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}
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unload_modules_26() {
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# First of all, remove the snd module and all the modules depending
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# on it, this should remove already most of ALSA modules.
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lsmod | grep -q "^snd[[:space:]]" && unload_modules_recursive snd
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# Then find the remaining ones, and handle them too.
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for module in $(lsmod | sed -n -e 's/^\(snd[^ ]*\) .*/\1/p'); do
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unload_modules_recursive "${module}"
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done
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lsmod | grep -vq "^snd"
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}
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terminate() {
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#
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# Kill processes holding open sound devices
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#
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# DEVS=`find /dev/ -follow -type c -maxdepth 1 -print 2>/dev/null | xargs ls -dils | grep "1*1[46]," | cut -d: -f2 | cut -d" " -f2; echo /proc/asound/dev/*`
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local ossdevs="/dev/admmidi* /dev/adsp* /dev/amidi* /dev/audio* /dev/dmfm* \
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/dev/dmmidi* /dev/dsp* /dev/dspW* /dev/midi0* /dev/mixer* /dev/music \
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/dev/patmgr* /dev/sequencer* /dev/sndstat"
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local alsadevs="/proc/asound/dev/* /dev/sound/* /dev/snd/*"
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fuser -k ${ossdevs} ${alsadevs} >/dev/null 2>/dev/null
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# remove all sequencer connections if any
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[ -f /proc/asound/seq/clients ] && type aconnect >/dev/null 2>/dev/null && aconnect --removeall
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}
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restore() {
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ebegin "Restoring Mixer Levels"
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if [ ! -r "${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${cardnum} ] || sleep 2
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alsactl -f "${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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mkdir -p "${alsastatedir}"
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if ! alsactl -f "${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/${device}"
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done
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eend 0
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}
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start() {
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if [ -f /proc/modules ] && [ "${LOAD_ON_START}" = "yes" ]; then
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ebegin "Loading ALSA modules"
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eindent
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load_modules
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eoutdent
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eend $? || return 1
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fi
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if [ ! -d /proc/asound ]; then
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eerror "ALSA failed to load."
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eend 1
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return 1
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elif [ "${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 [ ! -d /proc/asound ] ; then
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eerror "ALSA is not loaded"
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return 0
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fi
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[ "${SAVE_ON_STOP}" = "yes" ] && save
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return 0
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}
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