diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index bb245f153f9486440b21e91e44646530c50ebb87..1f69e0af2941803ac4452ec509baccbbd2f05f92 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -198,6 +198,7 @@ struct snd_soc_dai_driver {
 	const char *name;
 	unsigned int id;
 	int ac97_control;
+	unsigned int base;
 
 	/* DAI driver callbacks */
 	int (*probe)(struct snd_soc_dai *dai);