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#!/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
extra_commands="save restore"
depend() {
need localmount
after bootmisc modules isapnp coldplug hotplug hwdrivers
}
load_modules() {
# List of drivers for each card.
local DRIVERS="$(modprobe | 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 | 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
}
|
