diff --git a/sflphone-common/src/audio/alsa/alsalayer.cpp b/sflphone-common/src/audio/alsa/alsalayer.cpp
index ddd1303f39487f4008a2341c7e5cee6f5a24c446..a08d5da9f82d392c995b3fa9e8f0acfda48c8f62 100644
--- a/sflphone-common/src/audio/alsa/alsalayer.cpp
+++ b/sflphone-common/src/audio/alsa/alsalayer.cpp
@@ -853,6 +853,10 @@ void AlsaLayer::audioCallback (void)
     spkrVolume = _manager->getSpkrVolume();
     micVolume  = _manager->getMicVolume();
     
+    /*
+    int writeableSize = snd_pcm_avail_update(_PlaybackHandle);
+    _debug("writeableSize %i\n", writeableSize);
+    */
 
     // AvailForGet tell the number of chars inside the buffer
     // framePerBuffer are the number of data for one channel (left)