diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index c0cab7d..98667be 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -117,4 +117,11 @@
 #endif
 }
 
+/* rfkill notification chain */
+#define RFKILL_STATE_CHANGED		0x0001	/* state of a normal rfkill
+						   switch has changed */
+
+int register_rfkill_notifier(struct notifier_block *nb);
+int unregister_rfkill_notifier(struct notifier_block *nb);
+
 #endif /* RFKILL_H */