ASoC: rsnd: remove pin sync option

Renesas Chip is supporting multi pin sound,
but the HW setting is very difficult and confusable.
But driver is supporting it halfway.
Remove SYNC option at this point.

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

include/sound/rcar_snd.h

@@ -35,6 +35,7 @@
  */
 #define RSND_SSI_CLK_PIN_SHARE		(1 << 31)
 #define RSND_SSI_SYNC			(1 << 29) /* SSI34_sync etc */
+#define RSND_SSI_CLK_FROM_ADG		(1 << 30) /* clock parent is master */
 
 #define RSND_SSI_PLAY			(1 << 24)
 

sound/soc/sh/rcar/ssi.c

@@ -136,8 +136,6 @@ static void rsnd_ssi_mode_set(struct rsnd_priv *priv,
 			val = adg;			\
 		else					\
 			val = ext;			\
-		if (flags & RSND_SSI_SYNC)		\
-			val |= sync;			\
 	} while (0)
 
 	flags = rsnd_ssi_mode_flags(ssi);