woof-CE-libre/woof-code/rootfs-skeleton/etc/init.d/10alsa

#!/bin/sh
#Barry Kauler april 2009, puppylinux.com
#called from /etc/rc.d/rc.services at bootup, with 'start' param.
#called from /etc/rc.d/rc.shutdown at shutdown, with 'stop' param.
#101120, 101121 simplification.
#110111 shinobar: for reliable sound detection on HP Compac nc4010.
#110113 tweak delay. 110216 tweak delay.
#110506 /usr/sbin/alsaconf has 'restart' option, might need to reprobe modules. for now, just 'start|restart'.
#111229 add test file /etc/asound.state exists.
#120103 karl godt: fix unloading modules. refer: http://www.murga-linux.com/puppy/viewtopic.php?t=71767&start=390
#120222 revert 111229. 120223 shinobar: better fix.
#120226 01micko: added 'Master Front' entries. 120318 bumped it up, 75% to 100%.

case "$1" in
 start|restart)
  #110217 remove this test, seems to be a problem some people report file not created but snd ok...
  #if [ -f /tmp/rc_d_rc_services_alsa_ok ];then #101121 see rc.services.
   #if [ "`lsmod | grep '^snd_'`" != "" ];then
   rm -f /var/lock/subsys/alsasound 2> /dev/null #or alsa will not start.
   #sometimes these don't all load...
   modprobe snd-mixer-oss
   modprobe snd-seq-oss
   modprobe snd-pcm-oss
   for I in $(seq 4); do #110111 shinobar: for reliable sound detection on HP Compac nc4010.
    sleep 0.5 #110113 reduce 1 to 0.5. 110216 move up.
    [ -c /dev/mixer ] && break #note, /dev/mixer is deleted in /etc/rc.d/rc.sysinit.
   done 
   if [ ! -f /etc/asound.state ];then
    #try and set all levels workable...
    #set_mixers #in functions4puppy4
    #101015 BK had to add ,0 after Front...
    #110823 pemasu: add this set Speaker 75 % unmute
    #120226 01micko: added 'Master Front' entries...
	amixer -s -q <<EOF
set Master 75% unmute
set Master -12dB
set 'Master Mono' 75% unmute
set 'Master Mono' -12dB
set 'Master Front' 100% unmute
set 'Master Front' -12dB
set Front,0 75% unmute
set Front,0 -12dB
set PCM 90% unmute
set PCM 0dB
set Synth 90% unmute
set Synth 0dB
set CD 90% unmute
set CD 0dB
set Mic 0% mute
set PCM,1 90% unmute
set PCM,1 0dB
set Wave 100% unmute
set Music 100% unmute
set AC97 100% unmute
set 'Master Digital' 75% unmute
set DAC 90% unmute
set DAC -12dB
set DAC,0 90% unmute
set DAC,0 -12dB
set DAC,1 90% unmute
set DAC,1 -12dB
set Headphone 75% unmute
set Headphone -12dB
set Playback 100% unmute
set "SB Live Analog/Digital Output Jack" off
set "Audigy Analog/Digital Output Jack" off
set Speaker 75% unmute
EOF
	[ $? -eq 0 ] && alsactl -f /etc/asound.state store #120223 shinobar
   else
    alsactl -f /etc/asound.state restore #from /etc/asound.state.
   fi
  #fi
 ;;
 stop)
  [ -f /etc/asound.state ] && alsactl -f /etc/asound.state store #saves to /etc/asound.state. 111229 add test file exists. 120222 revert. 120223 restore.
  # Kill processes holding open sound devices...
  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
  [ -d /proc/asound/dev ] && fuser -k /proc/asound/dev/* >/dev/null 2>&1
  [ -d /dev/snd ] && fuser -k /dev/snd/* >/dev/null 2>&1
  # remove all sequencer connections if any
  [ -f /proc/asound/seq/clients -a -x aconnect ] && aconnect --removeall
  # mute master to avoid clicks at unload
  amixer set Master mute >/dev/null 2>&1
  # remove all sound modules... 120103...
  #lsmod | grep "^snd" | grep -Ev "(snd-page-alloc|snd_page_alloc)" |
  c=0
  while [ "`lsmod | grep 'snd_'`" ];do
   lsmod | grep "^snd" | grep '0 $' | grep -Ev "(snd-page-alloc|snd_page_alloc)" |
   while read line
   do
    #rmmod `echo $line | cut -d ' ' -f 1`
    modprobe -rv `echo $line | cut -d ' ' -f 1`
   done
   c=$((c+1));[ "$c" = '6' ] && break #precaution if neverending loop
  done
  # remove the 2.2 soundcore module (if possible)
  rmmod soundcore 2> /dev/null
  rmmod gameport 2> /dev/null
  # remove lockfile if lockdir exists
  [ -d /var/lock/subsys ] && rm -f /var/lock/subsys/alsasound
 ;;
esac

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