[alsa-devel] [PATCH] ASoC: rsnd: make sure SRC In Rate feature enablement

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

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 at renesas.com>
---
 sound/soc/sh/rcar/src.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index c103aa7..e66f59e 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -498,6 +498,7 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
 			    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;
 
@@ -512,6 +513,12 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
 		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,
-- 
1.9.1