From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
rsnd request clock master if SRC is used
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/scu.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/soc/sh/rcar/scu.c b/sound/soc/sh/rcar/scu.c index 6e5c763..3984d4b 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