diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 36d3fba..420104f 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -18,6 +18,12 @@
 
 extern const unsigned int wm_hubs_spkmix_tlv[];
 
+/* This *must* be the first element of the codec->private_data struct */
+struct wm_hubs_data {
+	int dcs_codes;
+	int hp_startup_mode;
+};
+
 extern int wm_hubs_add_analogue_controls(struct snd_soc_codec *);
 extern int wm_hubs_add_analogue_routes(struct snd_soc_codec *, int, int);
 extern int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *,