ASoC: rsnd: use function pointer for each probe

R-Car sound consists of many devices.
It will have more device support in the future.
Thus, for each probe become now function pointer array.

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

sound/soc/sh/rcar/core.c

@@ -814,7 +814,15 @@ static int rsnd_probe(struct platform_device *pdev)
 	struct rcar_snd_info *info;
 	struct rsnd_priv *priv;
 	struct device *dev = &pdev->dev;
-	int ret;
+	int (*probe_func[])(struct platform_device *pdev,
+			    struct rsnd_priv *priv) = {
+		rsnd_gen_probe,
+		rsnd_ssi_probe,
+		rsnd_scu_probe,
+		rsnd_adg_probe,
+		rsnd_dai_probe,
+	};
+	int ret, i;
 
 	info = pdev->dev.platform_data;
 	if (!info) {
@@ -838,25 +846,11 @@ static int rsnd_probe(struct platform_device *pdev)
 	/*
 	 *	init each module
 	 */
-	ret = rsnd_gen_probe(pdev, priv);
-	if (ret)
-		return ret;
-
-	ret = rsnd_ssi_probe(pdev, priv);
-	if (ret)
-		return ret;
-
-	ret = rsnd_scu_probe(pdev, priv);
-	if (ret)
-		return ret;
-
-	ret = rsnd_adg_probe(pdev, priv);
-	if (ret)
-		return ret;
-
-	ret = rsnd_dai_probe(pdev, priv);
+	for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
+		ret = probe_func[i](pdev, priv);
 		if (ret)
 			return ret;
+	}
 
 	/*
 	 *	asoc register