diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 3eb7e9a7b5dc7b2675fcb32904e9b647f7862578..ad97ce3ae844af4ee96df665772e611a3b4428c3 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -369,6 +369,9 @@ int rsnd_dai_connect(struct rsnd_mod *mod,
 	if (!mod)
 		return -EIO;
 
+	if (io->mod[type] == mod)
+		return 0;
+
 	if (io->mod[type])
 		return -EINVAL;