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>
(cherry picked from commit a2070feede404484296aace813b6c518582a3f8e)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/sound/soc/sh/rcar/scu.c b/sound/soc/sh/rcar/scu.c
index 6e5c763..3984d4b 100644 (file)
--- 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