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#!/bin/bash
#
# /etc/init.d/alsa This shell script takes care of starting and stopping
#                  ALSA sound driver.
#
# This script requires /usr/sbin/alsactl and /usr/bin/aconnect programs
# from the alsa-utils package.
#
# Copyright (c) by Jaroslav Kysela  
#
# Slightly modified for Debian GNU/Linux by Wichert Akkerman.
#                                           Masato Taruishi.
#
#  Slightly modified for Linux-Mandrake by Chmouel Boudjnah
#				           
#
#  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
#
#daemon 
#
# chkconfig: 2345 17 70
# description: This shell script launch the alsa sound system on your
#	       system.

. /etc/init.d/functions

PKLVL=$(cut -f1 /proc/sys/kernel/printk)
sysctl -n -w kernel.printk=0

alsactl=/usr/sbin/alsactl
aconnect=/usr/bin/aconnect

[[ ! -f /usr/share/alsa/alsa-utils ]] && exit 0

[[ -e /etc/sysconfig/alsa ]] && . /etc/sysconfig/alsa

. /usr/share/alsa/alsa-utils

function start() {

    found_driver="false"
    gprintf "Starting ALSA version %s:" "$alsa_version"

  # First load the ALSA common driver and check whether devfs properly
  # can be available when the working kernel has devfs support.
    /sbin/modprobe snd
    if [ ! -e /dev/snd ]; then
      if [ -d /proc/asound/dev ]; then
        # you are using the kernel without devfs so simply create
        # symlink
        ln -s /proc/asound/dev /dev/snd
      else
        # you are using the kernel with devfs but disabling devfs.
        /sbin/modprobe -r snd
        exit 0
      fi
    fi

    /sbin/modprobe -c | awk '/^((alias)|(probe)) +(sound|snd)-(slot|card)-[0-9]/ {print $3}' | ( \
    while read line; do
      [[ $line != snd-* ]] && continue
      found_driver="found"
      desc=`echo $line | cut -d- -f 2`
      if /sbin/modprobe $line >/dev/null 2>&1; then
	echo -n " $desc"
	found_driver="detect"
      else
        echo -n " ($desc)"
      fi
    done
    case $found_driver in
      detect)
        echo -n "."
	success;echo
        ;;
      false)
        if [ $alsa_version = "none" ]; then
          gprintf " no driver installed."; 
	  failure;echo
	  exit 1
        else
          gprintf " no sound cards defined."; 
	  failure;echo
	  exit 1
        fi
        ;;
      found)
	success;echo
        exit 1
        ;;
    esac
  ) || exit 0
  #

  # Enabling sound devices for alsactl.
  get_sound_devs
  enable_sound_devs


  # restore driver settings
  #
  if [ -x $alsactl ]; then
    gprintf "Doing alsactl to restore mixer settings..."
    $alsactl restore >/dev/null 2>&1 || true
    success;echo
  fi
}


function startoss() {
  [ "$startosslayer" = true ] &&
    for i in mixer pcm seq ; do /sbin/modprobe snd-${i}-oss >/dev/null 2>&1 ; done
}

function detect_stop() {
  #
  # remove all sound modules
  #
  clean=0
  modprobe -r snd-seq-oss
  modprobe -r snd-pcm-oss
  modprobe -r snd-mixer-oss
  /sbin/lsmod | grep -E "^snd" | ( while read line; do \
     /sbin/rmmod `echo $line | cut -d ' ' -f 1` >/dev/null 2>&1 || clean=1; \
  done
  # remove the 2.2 soundcore module (if possible)
  /sbin/rmmod soundcore >/dev/null 2>&1 || true
  /sbin/rmmod gameport 2> /dev/null || true

  if [ $clean = 1 ]; then
    exit 1
  fi
  )
  if [ $? = 1 ]; then
    return 1
  fi
}

function stop() {
  #
  # store driver settings
  #
  if [ -x $alsactl ]; then
    gprintf "Doing alsactl to store mixer settings..."
    $alsactl store >/dev/null 2>&1 || true
    sleep 1
    success;echo
  fi

  gprintf "Shutting down ALSA sound driver (version %s): " "$alsa_version"

  # Make sure that no devices are opened while
  # we are killing the procs that have devices open
  get_sound_devs
  get_sound_devs_proc
  disable_sound_devs
  #chmod 000 $sound_devs_proc  As of drivers 0.5.8a these permissions can't be changed

  if [ "$ALSA_KILL_MODE" = "force" ]; then
    kill_procs_using_sound_devs
    #
    # remove all sequencer connections if any
    #
    if [ -f /proc/asound/seq/clients -a -x $aconnect ]; then
      $aconnect --removeall
    fi
  else
    get_procs_using_sound_devs
    if [ -n "$procs_using_sound_devs" ]; then
      gprintf "no. (sound is being used by pid %s)" "$procs_using_sound_devs)"
      chmod 660 $sound_devs_dev
      failure;echo
      exit 0
    fi
  fi
  #
  # remove all sound modules
  #
  detect_stop
  enable_sound_devs
  #chmod 600 $sound_devs_proc  As of drivers 0.5.8a these permissions can't be changed

  if [ ! -f /dev/.devfsd ] && [ -L /dev/snd ]; then
    rm -f /dev/snd
  fi

}

function detect_start() {
  #
  # run only detect module
  #
  /sbin/modprobe snd-detect >/dev/null 2>&1 || true
}

# Initialize some variables.
get_alsa_version

# See how we were called.
case "$1" in
  start)
        # Start driver.
	if [ ! -d /proc/asound ]; then
	    if  /sbin/modprobe -c | egrep -qs "^alias( |\t)+(snd|sound)-(card|slot)-[0-9]( |\t)+snd-";then
		start && startoss
		touch /var/lock/subsys/alsa
	    fi
	else
	  if [ -f /proc/asound/detect ]; then
	    gprintf "Shutting down ALSA sound detect module (version %s): " "$alsa_version"
	    detect_stop
	    success;echo
	    start && startoss
	    touch /var/lock/subsys/alsa
          else
	    gprintf "ALSA driver (version %s) is already running." "$alsa_version"
	    echo
	  fi
	fi
        ;;
  stop)
        # Stop daemons.
	if [ -d /proc/asound ]; then
	  if [ -f /proc/asound/detect ]; then
	    detect_stop
	    rm -f /var/lock/subsys/alsa
	  else
	    if stop; then
		success;echo
		rm -f /var/lock/subsys/alsa
            else
              failure;echo
	      rm -f /var/lock/subsys/alsa
            fi
	  fi
	else
	  gprintf "ALSA driver isn't running."
	  echo
	fi
        ;;
    status)
	if egrep -q '(sparcaudio|sound)' /proc/devices;then
	    gprintf "Sound loaded"
	    echo
	fi
	;;
  force-stop)
	ALSA_KILL_MODE="force" $0 stop
	;;
    condrestart)
	if [ -f /var/lock/subsys/alsa ];then
	    $0 stop && $0 $start
	fi
	;;
  restart)
	$0 stop && $0 start
	;;
  force-reload)
  	ALSA_KILL_MODE="force" $0 restart
	;;
  force-restart)
        ALSA_KILL_MODE="force" $0 stop
        $0 start
	;;
  *)
        echo "Usage: %s\n" "$(basename $0) {start|stop|restart|force-reload|force-stop|force-restart}"
        exit 1
esac

sysctl -n -w kernel.printk=$PKLVL
exit 0

#!/bin/sh
# (c) MandrakeSoft, Chmouel Boudjnah 
# 	$Id: sound.init,v 1.15 2003/09/18 09:10:11 tvignaud Exp $
#
# sound:   This shell script launch the sound on your system.
#
# chkconfig: 2345 18 69
# description: This shell script launch the sound on your system.

. /etc/rc.d/init.d/functions

PKLVL=$(cut -f1 /proc/sys/kernel/printk)
sysctl -n -w kernel.printk=0

function start_mixer () {
    # ALSA
    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ]; then
        # is ALSA already configured ?
	if [[ ! -r /etc/asound.state ]]; then
	    # provide decent default sound level for alsa drivers
	    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ];then
             MIXER_SETTINGS=/root/tmp/asound.state_tmp
             alsactl -f $MIXER_SETTINGS store
             # set some sane default volume and unmute needed channels:
             /etc/rc.d/rc.alsa_default $MIXER_SETTINGS
             action "Setting mixer settings" alsactl -f $MIXER_SETTINGS restore
             rm -f $MIXER_SETTINGS
		return 0
	    fi
	    # if we've not alsa-utils, we'll fallback on OSS initialization below
	else
	    # Not first boot:
	    # Done by alsa service but only if sound service is not
	    # enabled (hance this code path).
	    # We'll merge in back aksa service once mdk9.2 is released.
	    # [but we'll still handle both aumix & alsactl in order
	    #  to manage packages removing / driver switch]
	    action "Loading mixer settings" /usr/sbin/alsactl restore
	    return 0
	fi
    fi
    # OSS
    if egrep -q '(sparcaudio|sound)' /proc/devices 2>/dev/null && \
	[ "$retval" -eq 0 ] && [ -x /usr/bin/aumix ];then
	if [ ! -r /etc/.aumixrc ];then
	    action "Setting mixer settings" /usr/bin/aumix -v80 -w80 -c80
	else
	    action "Loading mixer settings" /usr/bin/aumix -f /etc/.aumixrc -L
	fi
    fi
}

function stop_mixer () {
    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ];then
	# done by alsa service (to merge back after mdk9.2 release)
	#action "Saving mixer settings" /usr/sbin/alsactl store
	return 0;
    fi
   if egrep -q '(sparcaudio|sound)' /proc/devices 2>/dev/null && [ -x /usr/bin/aumix ];then
	action "Saving mixer settings" /usr/bin/aumix -f /etc/.aumixrc -S
    fi    
}

function module () {
    opt=""
    phrase=$1
    alias=$2
    [ -n "$3" ] && opt="-r"
    module=`/sbin/modprobe -c | egrep -s "^alias( |\t)+"$alias"( |\t)+" | awk '{ print $3 }'`
    if [ -n "$module" ] && [ "$module" != "off" ];then
	action "$phrase ($module)" modprobe "$opt" $module
	return $?
    fi
}

case $1 in
    start)
    retval=0
    if [ ! -d /proc/asound ];then
	module "Loading sound module" sound || retval=1
	/sbin/modprobe -c | awk '/^((alias)|(probe)) +sound-slot-[0-9]/ {print $2}' | ( \
	    while read line; do
		[[ $line = snd-card-* ]] && continue #we do it via alsa script
		module "Loading sound module" $line || retval=1
	    done
	)
	module "Loading midi module" midi
    fi
    start_mixer;
    touch /var/lock/subsys/sound
    ;;
    stop)
    # i should have the same semantic of alsa script than oss script,
    # but i do not , patches welcome.
    stop_mixer;
    rm -f /var/lock/subsys/sound
    ;;
    status)
    if egrep -q '(sparcaudio|sound)' /proc/devices;then
	gprintf "Sound loaded"
	echo
    fi
    ;;
    reload)
    ;;
    restart)
    $0 stop
    $0 start
    ;;
    *)
    echo "Usage: %s\n" "$(basename $0) {start|stop|restart|status}"
    exit 0
esac

sysctl -n -w kernel.printk=$PKLVL
exit 0