ASoC: rsnd: check the Gen1 at the beginning of DVC probe

DVC doesn't support Gen1, check it beginning of probe
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/dvc.c

@@ -332,18 +332,18 @@ int rsnd_dvc_probe(struct platform_device *pdev,
 	char name[RSND_DVC_NAME_SIZE];
 	int i, nr, ret;
 
-	rsnd_of_parse_dvc(pdev, of_data, priv);
-
-	nr = info->dvc_info_nr;
-	if (!nr)
-		return 0;
-
 	/* This driver doesn't support Gen1 at this point */
 	if (rsnd_is_gen1(priv)) {
 		dev_warn(dev, "CMD is not supported on Gen1\n");
 		return -EINVAL;
 	}
 
+	rsnd_of_parse_dvc(pdev, of_data, priv);
+
+	nr = info->dvc_info_nr;
+	if (!nr)
+		return 0;
+
 	dvc	= devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
 	if (!dvc)
 		return -ENOMEM;