#!/bin/bash # # 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 # # # 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 # # # For RedHat 5.0+: # chkconfig: 2345 87 14 # description: ALSA driver # # modified to visually fit into SuSE 6.0+ by Philipp Thomas # further improvements by Bernd Kaindl, Olaf Hering and Takashi Iwai. # ### BEGIN INIT INFO # Provides: alsasound # Required-Start: $remote_fs # Required-Stop: $remote_fs # Default-Start: 2 3 5 # Default-Stop: # Description: Loading ALSA drivers and store/restore the current setting ### END INIT INFO if [ -r /etc/rc.config ]; then . /etc/rc.config rc_warning="\033[33m\033[1m" else rc_done="done" rc_warning="" rc_reset="" fi if [ x$START_ALSA != xno ]; then START_ALSA=yes fi if [ x$START_ALSA_SEQ != xno ]; then START_ALSA_SEQ=yes fi # Determine the base and follow a runlevel link name. base=${0##*/} link=${base#*[SK][0-9][0-9]} # Force execution if not called by a runlevel directory. test $link = $base && START_ALSA=yes test "$START_ALSA" = yes || exit 0 alsactl=/usr/sbin/alsactl asoundcfg=/etc/asound.state aconnect=/usr/bin/aconnect alsascrdir=/etc/alsa.d if [ -x /sbin/lsmod ]; then lsmod=/sbin/lsmod else lsmod=lsmod fi # modprobe returns 255 when failed.. function probe_module () { /sbin/modprobe $* test $? = 0 && return 0 return 1 } function start() { # # insert all sound modules # module_loaded=0 drivers=`/sbin/modprobe -c | \ grep -E "^[[:space:]]*alias[[:space:]]+snd-card-[[:digit:]]" | \ awk '{print $3}'` for i in $drivers; do if [ "$i" != off ]; then echo -n "Starting sound driver: $i " probe_module $i && module_loaded=1 echo -e "$rc_done" fi done test $module_loaded -eq 0 && return # # insert sequencer modules # if [ x"$START_ALSA_SEQ" = xyes -a -r /proc/asound/seq/drivers ]; then cut -d , -f 1 /proc/asound/seq/drivers | \ while read t ; do test -z $t || /sbin/modprobe $t done fi # # restore driver settings # if [ -d /proc/asound ]; then if [ ! -r $asoundcfg ]; then echo "No mixer config in $asoundcfg, you have to unmute your card!" else if [ -x $alsactl ]; then $alsactl -F -f $asoundcfg restore else echo -e "${rc_warning}ERROR: alsactl not found${rc_reset}" 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 } function 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/*` fuser -k /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 >/dev/null 2>&1 if [ -d /proc/asound/dev ]; then fuser -k /proc/asound/dev/* >/dev/null 2>&1 fi if [ -d /dev/snd ]; then fuser -k /dev/snd/* >/dev/null 2>&1 fi # # remove all sequencer connections if any # if [ -f /proc/asound/seq/clients -a -x $aconnect ]; then $aconnect --removeall fi } function stop() { # # store driver settings # if [ -x $alsactl ]; then $alsactl -f $asoundcfg store else echo -n -e "${rc_warning}!!!alsactl not found!!!${rc_reset} " fi # # mute master to avoid clicks at unload # /usr/bin/amixer set Master mute >/dev/null 2>&1 # # remove all sound modules # $lsmod | grep -E "^snd" | grep -Ev "(snd-page-alloc|snd_page_alloc)" | 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 } # See how we were called. case "$1" in start) # Start driver if it isn't already up. if [ ! -d /proc/asound ]; then start else echo "ALSA driver is already running." fi ;; stop) # Stop daemons. if [ -d /proc/asound ]; then echo -n "Shutting down sound driver: " terminate stop echo -e "$rc_done" fi ;; restart|reload) $0 stop $0 start ;; status) if [ -d /proc/asound ]; then echo -n "ALSA sound driver loaded." else echo -n "ALSA sound driver not loaded." fi echo ;; *) echo "Usage: alsasound {start|stop|restart|status}" exit 1 esac exit 0