Index: linux-2.6.24/sound/drivers/pcsp/pcsp.c
===================================================================
--- linux-2.6.24/sound/drivers/pcsp/pcsp.c
+++ linux-2.6.24/sound/drivers/pcsp/pcsp.c	2008-03-30 20:58:57.000000000 +0200
@@ -8,6 +8,7 @@
 #include <linux/init.h>
 #include <linux/moduleparam.h>
 #include <linux/platform_device.h>
+#include <linux/delay.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/pcm.h>