diff -ru btsco.orig/kernel/btsco.c btsco/kernel/btsco.c
--- btsco.orig/kernel/btsco.c	2006-03-11 11:52:08.000000000 +0100
+++ btsco/kernel/btsco.c	2006-03-11 11:52:57.000000000 +0100
@@ -892,8 +892,11 @@
 
 	do {
 
-#ifdef CONFIG_PM
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12))
 		try_to_freeze();
+#else
+		if (current->flags & PF_FREEZE)
+			refrigerator(PF_FREEZE);
 #endif
 
 		if (signal_pending(current))