ASoC: rsnd: try to connect connected mod is not error

If system uses CTU/MUX, CTU/MUX/DVC will try to connect same CMD to
system, but it is not error in this 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/core.c b/sound/soc/sh/rcar/core.c
index 3eb7e9a7b5dc7b2675fcb32904e9b647f7862578..ad97ce3ae844af4ee96df665772e611a3b4428c3 100644 (file)
--- 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;