diff --git a/include/sound/soc.h b/include/sound/soc.h
index 714a704..586bfb9 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -460,6 +460,7 @@
 	struct list_head list;
 	struct list_head card_list;
 	int num_dai;
+	enum snd_soc_compress_type compress_type;
 
 	/* runtime */
 	struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */