$NetBSD: patch-af,v 1.2 2012/01/11 20:14:10 hans Exp $

--- pa_unix_oss/pa_unix_oss.c~	Mon Jun 30 11:05:50 2003
+++ pa_unix_oss/pa_unix_oss.c	Wed Nov 26 02:40:25 2003
@@ -43,10 +43,15 @@
 
 #ifdef __linux__
 #include <linux/soundcard.h>
+#elif defined(__sun)
+#include <sys/soundcard.h>
 #else
 #include <machine/soundcard.h> /* JH20010905 */
 #endif
 
+#ifdef __NetBSD__
+#include <sys/audioio.h>
+#endif
 
 #ifndef AFMT_S16_NE
 #define AFMT_S16_NE  Get_AFMT_S16_NE()
@@ -236,7 +241,11 @@ PaError Pa_SetupDeviceFormat( int devHan
         ERR_RPT(("Pa_SetupDeviceFormat: HW does not support AFMT_S16_NE\n" ));
         return paHostError;
     }
-
+#ifdef __NetBSD__
+   tmp = 1;
+   ioctl(devHandle, AUDIO_SETFD, &tmp); /* set full-duplex operations, 
+					 * ignore the output on non-fd cards */
+#endif
 
     /* Set number of channels. */
     tmp = numChannels;