ASoC: rsnd: cleanup ppcheck warning for cmd.c

This patch cleanups below ppcheck warning.

sound/soc/sh/rcar/cmd.c:46:20: style: The scope of the variable 'src' can be reduced. [variableScope]
  struct rsnd_mod *src;
                   ^
sound/soc/sh/rcar/cmd.c:47:27: style: The scope of the variable 'tio' can be reduced. [variableScope]
  struct rsnd_dai_stream *tio;
                          ^
sound/soc/sh/rcar/cmd.c:145:13: style: The scope of the variable 'ret' can be reduced. [variableScope]
 int i, nr, ret;
            ^
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87h7m1ro28.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/cmd.c

@@ -43,8 +43,6 @@ static int rsnd_cmd_init(struct rsnd_mod *mod,
 
 	if (mix) {
 		struct rsnd_dai *rdai;
-		struct rsnd_mod *src;
-		struct rsnd_dai_stream *tio;
 		int i;
 
 		/*
@@ -54,8 +52,9 @@ static int rsnd_cmd_init(struct rsnd_mod *mod,
 		 */
 		data = 0;
 		for_each_rsnd_dai(rdai, priv, i) {
-			tio = &rdai->playback;
-			src = rsnd_io_to_mod_src(tio);
+			struct rsnd_dai_stream *tio = &rdai->playback;
+			struct rsnd_mod *src = rsnd_io_to_mod_src(tio);
+
 			if (mix == rsnd_io_to_mod_mix(tio))
 				data |= path[rsnd_mod_id(src)];
 
@@ -142,7 +141,7 @@ int rsnd_cmd_probe(struct rsnd_priv *priv)
 {
 	struct device *dev = rsnd_priv_to_dev(priv);
 	struct rsnd_cmd *cmd;
-	int i, nr, ret;
+	int i, nr;
 
 	/* This driver doesn't support Gen1 at this point */
 	if (rsnd_is_gen1(priv))
@@ -161,7 +160,7 @@ int rsnd_cmd_probe(struct rsnd_priv *priv)
 	priv->cmd	= cmd;
 
 	for_each_rsnd_cmd(cmd, priv, i) {
-		ret = rsnd_mod_init(priv, rsnd_mod_get(cmd),
+		int ret = rsnd_mod_init(priv, rsnd_mod_get(cmd),
 					&rsnd_cmd_ops, NULL,
 					RSND_MOD_CMD, i);
 		if (ret)