ASoC: rsnd: print error if there is SRC settings mismatch

rsnd request clock master if SRC is used

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/sound/soc/sh/rcar/scu.c b/sound/soc/sh/rcar/scu.c
index 6e5c763e1040..3984d4b4f2df 100644
--- a/sound/soc/sh/rcar/scu.c
+++ b/sound/soc/sh/rcar/scu.c
@@ -122,6 +122,14 @@ static int rsnd_scu_ssi_mode_init(struct rsnd_mod *mod,
         struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
         struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
         int id = rsnd_mod_id(mod);
+        u32 convert_rate = rsnd_scu_convert_rate(scu);
+
+        if (convert_rate && !rsnd_dai_is_clk_master(rdai)) {
+                struct device *dev = rsnd_priv_to_dev(priv);
+
+                dev_err(dev, "rsnd should be clk master when you rate convert\n");
+                return -EINVAL;
+        }
 
         /*
          * SSI_MODE0