ASoC: rsnd: remove io from rsnd_mod

Each Renesas sound mod (= SSI/SRC/DVC) might be called from many path
if it supports MIXer. In such case, mod <-> io is no longer 1:1
relationship. rsnd_mod_to_io() is no longer needed. Let's remove it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -288,15 +288,13 @@ static int rsnd_dai_connect(struct rsnd_mod *mod,
 	}
 
 	io->mod[mod->type] = mod;
-	mod->io = io;
 
 	return 0;
 }
 
 static void rsnd_dai_disconnect(struct rsnd_mod *mod,
 				struct rsnd_dai_stream *io)
 {
-	mod->io = NULL;
 	io->mod[mod->type] = NULL;
 }
 

sound/soc/sh/rcar/rsnd.h

@@ -262,7 +262,6 @@ struct rsnd_mod {
 	enum rsnd_mod_type type;
 	struct rsnd_mod_ops *ops;
 	struct rsnd_dma dma;
-	struct rsnd_dai_stream *io;
 	struct rsnd_priv *priv;
 	struct clk *clk;
 	u32 status;
@@ -313,7 +312,6 @@ struct rsnd_mod {
 
 #define rsnd_mod_to_priv(mod) ((mod)->priv)
 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
-#define rsnd_mod_to_io(mod) ((mod)->io)
 #define rsnd_mod_id(mod) ((mod)->id)
 #define rsnd_mod_hw_start(mod)	clk_enable((mod)->clk)
 #define rsnd_mod_hw_stop(mod)	clk_disable((mod)->clk)