ASoC: rsnd: make sure SRC In Rate feature enablement

SRC In Rate convert feature cannot be used if data path is using DVC.
This patch judges it, and not allowed to use it in such case.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 261b502..68b439e 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -923,6 +923,7 @@
 			    struct snd_soc_pcm_runtime *rtd)
 {
 	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
+	struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
 	struct rsnd_src *src = rsnd_mod_to_src(mod);
 	int ret;
 
@@ -937,6 +938,12 @@
 		return 0;
 
 	/*
+	 * SRC In doesn't work if DVC was enabled
+	 */
+	if (dvc && !rsnd_io_is_play(io))
+		return 0;
+
+	/*
 	 * enable sync convert
 	 */
 	ret = rsnd_kctrl_new_s(mod, io, rtd,