2006-12-19 16:57:00 +01:00
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#!/bin/sh
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#
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# alsasound This shell script takes care of starting and stopping
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# the ALSA sound driver.
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#
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# This script requires /usr/sbin/alsactl program from alsa-utils package.
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#
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# Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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#
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# For RedHat 5.0+:
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# chkconfig: 2345 87 14
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# description: ALSA driver
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#
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# modified to visually fit into SuSE 6.0+ by Philipp Thomas <pthomas@suse.de>
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# further improvements by Bernd Kaindl, Olaf Hering and Takashi Iwai.
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#
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### BEGIN INIT INFO
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# Provides: alsasound
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2007-01-09 17:41:33 +01:00
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# Required-Start:
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2006-12-19 16:57:00 +01:00
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# Should-Start: $remote_fs resmgr
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2007-01-09 17:41:33 +01:00
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# Required-Stop:
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2006-12-19 16:57:00 +01:00
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# Should-Stop: $remote_fs resmgr
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# Default-Start: 2 3 5
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# Default-Stop:
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2007-06-22 00:17:57 +02:00
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# Short-Description: Set up ALSA sound system
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2006-12-19 16:57:00 +01:00
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# Description: Loading ALSA drivers and store/restore the current setting
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### END INIT INFO
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. /etc/rc.status
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. /etc/sysconfig/sound
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# Shell functions sourced from /etc/rc.status:
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# rc_check check and set local and overall rc status
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# rc_status check and set local and overall rc status
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# rc_status -v ditto but be verbose in local rc status
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# rc_status -v -r ditto and clear the local rc status
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# rc_failed set local and overall rc status to failed
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# rc_reset clear local rc status (overall remains)
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# rc_exit exit appropriate to overall rc status
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# First reset status of this service
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rc_reset
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alsactl=/usr/sbin/alsactl
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asoundcfg=/etc/asound.state
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aconnect=/usr/bin/aconnect
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#
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# insert sequencer modules
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#
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load_sequencer() {
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test "$LOAD_SEQUENCER" = "yes" && modprobe -q snd-seq
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if [ x"$LOAD_SEQUENCER" = xyes -a -r /proc/asound/seq/drivers ]; then
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OLDIFS="$IFS"
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IFS=","
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while read t x c; do
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/sbin/modprobe $t
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done < /proc/asound/seq/drivers
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IFS="$OLDIFS"
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fi
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}
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get_drivers() {
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if [ -f /etc/modprobe.d/sound ]; then
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cat /etc/modprobe.d/sound
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else
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/sbin/modprobe -c
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fi | \
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grep -E "^[[:space:]]*alias[[:space:]]+snd-card-[[:digit:]]" | sort | \
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while read a b card; do
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echo $card
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done
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}
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#
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# insert all sound modules
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#
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load_modules() {
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module_loaded=0
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c=""
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drivers=`get_drivers`
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for i in $drivers; do
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if [ $i != off ]; then
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if [ x$c = x ]; then
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echo -n ": "
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c=1
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fi
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echo -n " ${i##snd-}"
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/sbin/modprobe $i && module_loaded=1
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fi
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done
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rc_status -v -r
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test $module_loaded -eq 0 && return 1
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return 0
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}
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#
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# rest of start action
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#
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start_rest() {
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load_sequencer
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if [ x"$LOAD_OSS_EMUL_MODULES" = xyes ]; then
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/sbin/modprobe snd-pcm-oss
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test x"$LOAD_OSS_SEQ_MODULE" = xyes && /sbin/modprobe snd-seq-oss
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fi
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}
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# manual load and force to store the status
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start_all() {
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echo -n "Starting sound driver"
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load_modules && start_rest
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# hack - in case the mixer isn't restored
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(sleep 1; $alsactl -F -f $asoundcfg restore >/dev/null 2>&1)
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rc_status
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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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fuser -k /dev/admmidi* /dev/adsp* /dev/amidi* /dev/audio* /dev/dmfm* \
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/dev/dmmidi* /dev/dsp* /dev/dspW* /dev/midi* /dev/mixer* /dev/music \
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/dev/patmgr* /dev/sequencer* /dev/sndstat >/dev/null 2>&1
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if [ -d /dev/snd ]; then
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fuser -k /dev/snd/* >/dev/null 2>&1
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fi
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#
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# remove all sequencer connections if any
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#
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if [ -f /proc/asound/seq/clients -a -x $aconnect ]; then
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$aconnect --removeall
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fi
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}
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# mute master to avoid clicks at unload/shutdown
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unmute_system() {
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/usr/bin/amixer set Master mute >/dev/null 2>&1
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}
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#
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# remove all sound modules
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#
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unload_modules() {
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unmute_system
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2008-10-23 22:24:06 +02:00
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grep -E "^(snd|ac97_bus)" /proc/modules | while read m s; do
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2006-12-19 16:57:00 +01:00
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/sbin/rmmod $m
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done
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}
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unload_all() {
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echo -n "Shutting down sound driver"
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terminate
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unload_modules
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rc_status -v
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}
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stop_all() {
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if [ -d /proc/asound ]; then
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$alsactl -f $asoundcfg store
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unload_all
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fi
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}
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# See how we were called.
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case "$1" in
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start)
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if [ "$PREVLEVEL" = "N" ]; then
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test -d /proc/asound && start_rest
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else
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start_all
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fi
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;;
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stop)
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if [ "$RUNLEVEL" = "6" ]; then
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if [ -d /proc/asound ]; then
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$alsactl -f $asoundcfg store
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unmute_system
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fi
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else
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stop_all
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fi
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;;
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unload)
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test -d /proc/asound && unload_all
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;;
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reload|restart)
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stop_all
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start_all
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;;
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status)
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if [ -d /proc/asound ]; then
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echo -n "ALSA sound driver loaded."
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rc_status -v
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else
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echo -n "ALSA sound driver not loaded."
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rc_status -u
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fi
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;;
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*)
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echo "Usage: $0 {start|stop|restart|reload|unload|status}"
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exit 1
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2008-10-22 17:31:24 +02:00
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;;
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2006-12-19 16:57:00 +01:00
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esac
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rc_exit
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