diff --git a/configure.in b/configure.in
index fca902bb..e3b66b5c 100755
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.50)
 AC_INIT(src/main.cpp)
 
-AM_INIT_AUTOMAKE(llcon,2.1.5cvs)
+AM_INIT_AUTOMAKE(llcon,2.2.0cvs)
 
 
 AM_CONFIG_HEADER(config.h)
@@ -20,7 +20,7 @@ AC_CHECK_PROGS(RPMBUILD, rpmbuild, rpm)
 dnl Configuration Arguments
 
 AC_ARG_ENABLE( sound,[  --enable-sound        generic sound support], enable_sound=$enableval, enable_sound=yes)
-AC_ARG_ENABLE( alsa,[  --enable-alsa         use ALSA interface], enable_alsa=$enableval, enable_alsa=yes)
+AC_ARG_ENABLE( alsa,[  --enable-alsa         use ALSA interface], enable_alsa=$enableval, enable_alsa=no)
 
 
 if test "$enable_alsa" = "yes"; then
diff --git a/linux/sound.cpp b/linux/sound.cpp
index a4ceac19..1261bd9f 100755
--- a/linux/sound.cpp
+++ b/linux/sound.cpp
@@ -5,7 +5,8 @@
  *  Volker Fischer, Alexander Kurpiers
  *
  * This code is based on the Open-Source sound interface implementation of
- * the Dream DRM Receiver project.
+ * the Dream DRM Receiver project and on the simple_client example of the
+ * Jack audio interface.
  *
 \******************************************************************************/