Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 164 insertions, 0 deletions

diff --git a/setup/Linux/oss/scripts/remove_drv.sh b/setup/Linux/oss/scripts/remove_drv.sh
new file mode 100644
index 0000000..55cc1b4
--- /dev/null
+++ b/setup/Linux/oss/scripts/remove_drv.sh
@@ -0,0 +1,164 @@
+#!/bin/sh
+if test -f /etc/oss.conf
+then
+  . /etc/oss.conf
+else
+  OSSLIBDIR=/usr/lib/oss
+fi
+
+# This script wipes out the previously installed sound drivers
+# from the system.
+
+# Backup all kernel sound drivers (ALSA) and remove the kernel/sound
+# directory from the system. Untar the backup package to return ALSA
+# back in business.
+
+if test -x /sbin/chkconfig
+then
+  /sbin/chkconfig alsasound off > /dev/null 2>&1
+elif test -x /usr/sbin/update-rc.d
+then
+  /usr/sbin/update-rc.d -f alsa-utils remove > /dev/null 2>&1
+elif test -x /usr/sbin/alsa
+then
+  /usr/sbin/alsa force-unload > /dev/null 2>&1
+fi
+
+if test -d /lib/modules/`uname -r`/kernel/sound
+then
+	if ! test -f /lib/modules/`uname -r`/sound-preoss.tar.bz2
+	then
+	   (cd /lib/modules/`uname -r`; tar cfj /lib/modules/`uname -r`/sound-preoss.tar.bz2 kernel/sound)
+	fi
+
+	rm -rf /lib/modules/`uname -r`/kernel/sound
+	depmod -a
+fi
+
+# Kill all applications using ALSA or OSS/Free devices
+
+# We have to use ugly replacement of fuser since this command got broken
+# in some Linux recent distributions.
+
+KILL=0
+
+for n in /proc/[0-9]*
+do
+  PID=`basename $n`
+  if test "`ls -l $n/fd/* 2>/dev/null|grep /dev/snd` " != " "
+  then
+	KILL=1
+  fi
+
+  if test "`ls -l $n/fd/* 2>/dev/null|grep /dev/mixer` " != " "
+  then
+	KILL=1
+  fi
+done
+
+if ! test -d $OSSLIBDIR/save
+then
+	mkdir $OSSLIBDIR/save
+fi
+
+if test "$KILL " = "1 "
+then
+echo killing
+  rm -f /dev/mixer.old
+  mv /dev/mixer /dev/mixer.old 2>/dev/null
+  #if test -d /dev/snd
+  #then
+	#(cd /;tar cfj $OSSLIBDIR/save/alsadevs.tar.bz2 dev/snd)
+  #fi
+
+  #mv /dev/snd /dev/snd.osssave
+  #fuser -k -s /dev/mixer.old /dev/snd.osssave/*
+fi
+
+# Remove all loaded ALSA modules
+SOUNDDEVS=
+
+if test -f /dev/mixer.old
+then
+	SOUNDDEVS="$SOUNDDEVS /dev/mixer.old"
+fi
+
+if test -d /dev/snd.osssave
+then
+	SOUNDDEVS="$SOUNDDEVS /dev/snd.osssave/*"
+fi
+
+for timeout in 0 1 2 3 4 5 6 7 8 9 10 11
+do
+   if test "`cat /proc/modules|grep ^snd_|sed 's/ .*//'` " = " "
+   then
+      break
+   fi
+
+   if test $timeout -gt 10
+   then
+     	echo Cannot unload the ALSA modules. Apparently there is some
+	echo application keeping them busy.
+	echo Please reboot your system and try to start OSS again.
+	ps ax
+	lsmod
+	cat /proc/devices
+	cat /proc/interrupts
+     	exit 1
+   fi
+
+   if test "$SOUNDDEVS " != " "
+   then
+      fuser -s -9 $SOUNDDEVS
+   else
+      echo Cannot find any processes using the conflicting sound driver
+   fi
+
+   for n in `cat /proc/modules|grep ^snd_|sed 's/ .*//'`
+   do
+	rmmod $n
+	#rmmod $n >/dev/null 2>&1
+   done
+
+   sleep 1
+done
+
+rmmod snd > /dev/null 2>&1
+
+# Remove soundcore
+rmmod soundcore > /dev/null 2>&1
+
+rm -f /dev/mixer.old
+
+if cat /proc/devices|grep -q '^ *14 '
+then
+
+	echo There still appears to be another sound driver hanging around
+
+	lsmod
+	cat /proc/devices|grep '^ *14 '
+	cat /proc/interrupts
+
+	exit 1
+fi
+
+for n in /dev/sndstat /dev/mixer* /dev/dsp* /dev/midi* /dev/sequencer /dev/music
+do
+	if readlink $n >/dev/null 2>&1
+	then # Symbolic link
+	   if readlink $n | grep -q asound
+	   then # Link to ALSA devices
+		rm -f $n
+	   fi
+	fi
+done
+
+# Disable automatic startup of ALSA during system bootup
+
+if test "`ls /etc/rc.d/rc*/*alsasound*` " != " " > /dev/null 2>&1
+then
+  (cd /;tar cfj $OSSLIBDIR/save/alsarc/tar.bz2 etc/rc.d/rc*/*alsasound*)
+  rm -f /etc/rc.d/rc*/*alsasound*
+fi > /dev/null 2>&1
+
+exit 0