--- audio_oss.c.orig	Sun Jul 19 12:13:08 1998
+++ audio_oss.c	Sun Jul 19 12:14:39 1998
@@ -29,9 +29,11 @@
 
     /* TODO: check that this is allowable */
     /* set for full duplex operation, if recording */
+    /*
     if ( (esd_audio_format & ESD_MASK_FUNC) == ESD_RECORD ) {
         ioctl( afd, SNDCTL_DSP_SETDUPLEX, 0 );
     }
+     */
 
     /* set the sound driver fragment size and number */
     /* fragment = max_buffers << 16 + log2(buffer_size), (256 16) */