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#!/sbin/runscript
# $Header: /var/cvsroot/gentoo-x86/media-sound/alsa-driver/files/alsasound,v 1.10 2003/03/03 18:33:30 agenkin Exp $
#
# Gentoo users: add this script to 'boot' run level.
# ==================================================
#
# alsasound This shell script takes care of starting and stopping
# the ALSA sound driver.
#
# This script requires /usr/sbin/alsactl and /usr/bin/aconnect programs
# from the alsa-utils package.
#
# Copyright (c) by Jaroslav Kysela <perex@suse.cz>
#
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
alsactl=/usr/sbin/alsactl
asoundcfg=/etc/asound.state
aconnect=/usr/bin/aconnect
alsascrdir=/etc/alsa.d
depend() {
need bootmisc localmount
before modules
after isapnp
provide alsa-modules
}
start() {
# Start driver if it isn't already up.
if [ -d /proc/asound ]
then
eerror "ALSA driver is already running."
return 1
fi
#
# insert all sound modules
#
ebegin "Initialising ALSA."
drivers="`/sbin/modprobe -c | \
grep -E "^[[:space:]]*alias[[:space:]]+snd-card-[[:digit:]]" | \
awk '{print $3}'`"
for i in $drivers; do
if [ "$i" != off ]; then
einfon "Starting sound driver: $i "
/sbin/modprobe $i
eend 0
fi
done
# The next line is a hack around output race condition (Gentoo bug #12524).
echo " "
#
# insert sequencer modules
#
if [ x"$START_ALSA_SEQ" = xyes -a -r /proc/asound/seq/drivers ]; then
t="`cut -d , -f 1 /proc/asound/seq/drivers`"
if [ "x$t" != "x" ]; then
/sbin/modprobe $t
fi
fi
#
# restore driver settings
#
if [ -d /proc/asound ]; then
if [ ! -r $asoundcfg ]; then
ewarn "No mixer config in $asoundcfg, you have to unmute your card!"
else
if [ -x $alsactl ]; then
$alsactl -f $asoundcfg restore
else
eerror -e "ERROR: alsactl not found!"
fi
fi
fi
#
# run card-dependent scripts
for i in $drivers; do
t=${i##snd-}
if [ -x $alsascrdir/$t ]; then
$alsascrdir/$t
fi
done
#
# touch lockfile if lockdir exists
#
if [ -d /var/lock/subsys ] ; then
touch /var/lock/subsys/alsasound
fi
}
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/*`
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"
alsadevs="/proc/asound/dev/*"
fuser -k $ossdevs $alsadevs 2> /dev/null 1>/dev/null
#
# remove all sequencer connections if any
#
if [ -f /proc/asound/seq/clients -a -x $aconnect ]; then
$aconnect --removeall
fi
}
stop() {
if [ ! -d /proc/asound ]
then
eerror "ALSA driver is not loaded."
return 0
fi
ebegin "Shutting down ALSA modules."
# Call terminate function first to kill the processes, holding the drivers.
terminate
#
# store driver settings
#
if [ -x $alsactl ]; then
$alsactl -f $asoundcfg store
else
ewarn -n "WARNING: !!!alsactl not found!!! "
fi
#
# remove all sound modules
#
/sbin/lsmod | grep -E "^snd" | grep -Ev "^(snd-page-alloc|snd-hammerfall-mem)" | while read line; do \
/sbin/rmmod `echo $line | cut -d ' ' -f 1`; \
done
# remove the 2.2 soundcore module (if possible)
/sbin/rmmod soundcore 2> /dev/null
/sbin/rmmod gameport 2> /dev/null
#
# remove lockfile if lockdir exists
#
if [ -d /var/lock/subsys ] ; then
rm -f /var/lock/subsys/alsasound
fi
eend 0
}
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