$NetBSD: patch-ad,v 1.1 2009/01/19 12:17:34 yhardy Exp $

--- usb_stream/pcm_usb_stream.c.orig	2008-10-29 14:42:13.000000000 +0200
+++ usb_stream/pcm_usb_stream.c	2009-01-19 13:15:12.000000000 +0200
@@ -18,7 +18,9 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#ifdef HAVE_BYTESWAP_H
 #include <byteswap.h>
+#endif
 #define _GNU_SOURCE
 #include <sys/mman.h>
 #include <sys/shm.h>
@@ -215,7 +217,11 @@
 		}
 
 
+#ifdef __NetBSD__
+		uus->s = mremap(uus->s, sizeof(struct usb_stream), uus->s, uus->s->read_size, 0);
+#else
 		uus->s = mremap(uus->s, sizeof(struct usb_stream), uus->s->read_size, MREMAP_MAYMOVE);
+#endif
 		if (MAP_FAILED == uus->s) {
 			perror("ALSA/USX2Y: mmap");
 			return -EPERM;