diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4f1c784e44f6..3d569307f1e2 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1025,13 +1025,13 @@ struct snd_soc_dai_link {
 	const struct snd_soc_ops *ops;
 	const struct snd_soc_compr_ops *compr_ops;
 
-	/* For unidirectional dai links */
-	bool playback_only;
-	bool capture_only;
-
 	/* Mark this pcm with non atomic ops */
 	bool nonatomic;
 
+	/* For unidirectional dai links */
+	unsigned int playback_only:1;
+	unsigned int capture_only:1;
+
 	/* Keep DAI active over suspend */
 	unsigned int ignore_suspend:1;