diff --git a/include/sound/soc.h b/include/sound/soc.h
index 74921f2..96aadbb 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -756,4 +756,8 @@
 
 #include <sound/soc-dai.h>
 
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *asoc_debugfs_root;
+#endif
+
 #endif