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Diffstat (limited to 'main/alsa-utils/alsa.initd')
-rw-r--r-- | main/alsa-utils/alsa.initd | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/main/alsa-utils/alsa.initd b/main/alsa-utils/alsa.initd new file mode 100644 index 0000000000..c11861896f --- /dev/null +++ b/main/alsa-utils/alsa.initd @@ -0,0 +1,218 @@ +#!/sbin/runscript +# $Header: /var/cvsroot/gentoo-x86/media-sound/alsa-utils/files/alsasound.initd-r4,v 1.1 2009/08/02 11:27:26 ssuominen Exp $ +# Copyright 2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +alsastatedir=/var/lib/alsa +alsascrdir=/etc/alsa.d + +opts="save restore" + +depend() { + need localmount + after bootmisc modules isapnp coldplug hotplug hwdrivers +} + +load_modules() { + # List of drivers for each card. + local DRIVERS="$(modprobe -c | sed -n -e 's/^alias \(snd-card-[[:digit:]]\+\) .*/\1/p')" + + # Fall back on the automated aliases if we don't have ALSA configured properly... + if [ -z "${DRIVERS}" ] && \ + ( [ ! -r /proc/asound/cards ] || grep -q ' no soundcards ' /proc/asound/cards 2>/dev/null ) ; then + ewarn "Could not detect custom ALSA settings. Loading all detected alsa drivers." + DRIVERS="$(modprobe -c | sed -n -e '/^alias pci:.* snd.*/ s/^alias pci:[^ ]* \(.*\)/\1/p' | sort | uniq)" + if [ -z "${DRIVERS}" ] ; then + eerror "Unable to find any ALSA drivers. Have you compiled alsa-drivers correctly?" + fi + fi + + if [ "${ENABLE_OSS_EMUL}" = "yes" ] ; then + DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.*oss/ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')" + fi + + # We want to ensure snd-seq is loaded as it is needed for things like + # timidity even if we don't use a real sequencer. + DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.seq\./ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')" + + # We want to ensure snd-ioctl32 is loaded as it is needed for 32bit + # compatibility + DRIVERS="${DRIVERS} $(modprobe -l | sed -n -e '/snd.ioctl32\./ s:.*\/\([[:alnum:]_-]\+\).ko:\1:p')" + + local DRIVER= DMOD= + for DRIVER in ${DRIVERS} ; do + [ "${DRIVER}" = "off" ] && continue + DMOD="$(echo "${DRIVER}" | sed -e 's/-/_/g')" + if ! grep -q "^${DMOD} " /proc/modules ; then + ebegin "Loading: ${DRIVER}" + modprobe ${DRIVER} + eend $? + fi + done + + if [ -f /proc/asound/seq/drivers ] ; then + local SEQUENCERS="$(sed -n -e 's/\([^,]*\),empty,.*/\1/p' /proc/asound/seq/drivers)" + local SEQUENCER + for SEQUENCER in ${SEQUENCERS} ; do + DMOD="$(echo "${SEQUENCER}" | sed -e 's/-/_/g')" + if ! grep -q "^${DMOD} " /proc/modules ; then + ebegin "Loading: ${SEQUENCER}" + modprobe ${SEQUENCER} + eend $? + fi + done + fi + + for DRIVER in ${DRIVERS} + do + local TMP=${DRIVER##snd-} + TMP=${TMP##snd_} + if [ -x "${alsascrdir}/${TMP}" ] ; then + ebegin "Running: ${alsascrdir}/${TMP}" + "${alsascrdir}/${TMP}" + eend $? + fi + done + + if [ ! -d /proc/asound ] || grep -q ' no soundcards ' /proc/asound/cards ; then + eerror "ERROR: Failed to load necessary drivers" + return 1 + fi +} + +unload_modules_24() { + local LOADED_MODULES="$(lsmod | sed -n -e 's/^\(snd[^ ]*\) .*/\1/p')" + local MODULE + for MODULE in ${LOADED_MODULES} ; do + rmmod "${MODULE}" + done + rmmod soundcore 2>/dev/null + rmmod gameport 2>/dev/null + + lsmod | grep -vq '^snd' +} + +unload_modules_recursive() { + local revdeps="$(lsmod | sed -n -e "s/,/ /g" -e "s/^$1 *[0-9]* *[0-9]* \(.*\)/\1/p")" + + for module in ${revdeps} ; do + unload_modules_recursive "${module}" + done + + vebegin "Unloading: $1" + rmmod --wait "$1" + veend $? +} + +unload_modules_26() { + # First of all, remove the snd module and all the modules depending + # on it, this should remove already most of ALSA modules. + lsmod | grep -q "^snd[[:space:]]" && unload_modules_recursive snd + + # Then find the remaining ones, and handle them too. + for module in $(lsmod | sed -n -e 's/^\(snd[^ ]*\) .*/\1/p'); do + unload_modules_recursive "${module}" + done + + lsmod | grep -vq "^snd" +} + +terminate() { + # + # Kill processes holding open sound devices + # + # 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/*` + local ossdevs="/dev/admmidi* /dev/adsp* /dev/amidi* /dev/audio* /dev/dmfm* \ + /dev/dmmidi* /dev/dsp* /dev/dspW* /dev/midi0* /dev/mixer* /dev/music \ + /dev/patmgr* /dev/sequencer* /dev/sndstat" + local alsadevs="/proc/asound/dev/* /dev/sound/* /dev/snd/*" + fuser -k ${ossdevs} ${alsadevs} >/dev/null 2>/dev/null + + # remove all sequencer connections if any + [ -f /proc/asound/seq/clients ] && type aconnect >/dev/null 2>/dev/null && aconnect --removeall +} + +restore() { + ebegin "Restoring Mixer Levels" + + if [ ! -r "${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${cardnum} ] || sleep 2 + alsactl -f "${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" + + mkdir -p "${alsastatedir}" + if ! alsactl -f "${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/${device}" + done + + eend 0 +} + +start() { + if [ -f /proc/modules ] && [ "${LOAD_ON_START}" = "yes" ]; then + ebegin "Loading ALSA modules" + eindent + load_modules + eoutdent + eend $? || return 1 + fi + + if [ ! -d /proc/asound ]; then + eerror "ALSA failed to load." + eend 1 + return 1 + elif [ "${RESTORE_ON_START}" = "yes" ]; then + restore + fi + + return 0 +} + +stop() { + if [ ! -d /proc/asound ] ; then + eerror "ALSA is not loaded" + return 0 + fi + + [ "${SAVE_ON_STOP}" = "yes" ] && save + + return 0 +} |