ASoC: rsnd: add missing SRC_O_BUSIF_MODE register

SRC_BUSIF_MODE has both IN/OUT register. Current src driver sets
IN register only. This patch sets missing OUT register.
IN/OUT register are using default setting, so, there is no
HW effect.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/gen.c

@@ -233,8 +233,10 @@ static int rsnd_gen2_probe(struct rsnd_priv *priv)
 		RSND_GEN_M_REG(SSI_CTRL,	0x10,	0x80),
 		RSND_GEN_M_REG(SSI_INT_ENABLE,	0x18,	0x80),
 	};
+
 	const static struct rsnd_regmap_field_conf conf_scu[] = {
-		RSND_GEN_M_REG(SRC_BUSIF_MODE,	0x0,	0x20),
+		RSND_GEN_M_REG(SRC_I_BUSIF_MODE,0x0,	0x20),
+		RSND_GEN_M_REG(SRC_O_BUSIF_MODE,0x4,	0x20),
 		RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8,	0x20),
 		RSND_GEN_M_REG(SRC_ROUTE_MODE0,	0xc,	0x20),
 		RSND_GEN_M_REG(SRC_CTRL,	0x10,	0x20),

sound/soc/sh/rcar/rsnd.h

@@ -51,7 +51,8 @@ enum rsnd_reg {
 	RSND_REG_SSI_BUSIF_ADINR,	/* Gen2 only */
 	RSND_REG_SSI_BUSIF_DALIGN,	/* Gen2 only */
 	RSND_REG_SSI_INT_ENABLE,	/* Gen2 only */
-	RSND_REG_SRC_BUSIF_MODE,
+	RSND_REG_SRC_I_BUSIF_MODE,
+	RSND_REG_SRC_O_BUSIF_MODE,
 	RSND_REG_SRC_ROUTE_MODE0,
 	RSND_REG_SRC_SWRSR,
 	RSND_REG_SRC_SRCIR,

sound/soc/sh/rcar/src.c

@@ -254,7 +254,8 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
 	rsnd_mod_write(mod, SRC_SRCIR, 0);	/* cancel initialize */
 
 	rsnd_mod_write(mod, SRC_ROUTE_MODE0, route);
-	rsnd_mod_write(mod, SRC_BUSIF_MODE, 1);
+	rsnd_mod_write(mod, SRC_I_BUSIF_MODE, 1);
+	rsnd_mod_write(mod, SRC_O_BUSIF_MODE, 1);
 	rsnd_mod_write(mod, SRC_BUSIF_DALIGN, rsnd_get_dalign(mod, io));
 
 	if (convert_rate)