--- ./sound/sound_core.c.orig	Wed Apr 30 15:11:14 2003
+++ ./sound/sound_core.c	Wed Apr 30 15:11:52 2003
@@ -45,6 +45,7 @@
 #include <linux/major.h>
 #include <linux/kmod.h>
 #include <linux/devfs_fs_kernel.h>
+#include <sound/driver.h>
 
 #define SOUND_STEP 16