ASoC: soc-core: soc_probe_dai() code simplification

Current soc_probe_dai() is using deep nested condition.
Thus, it is difficult to read/understand.
This patch simplification it.

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

sound/soc/soc-core.c

@@ -1624,22 +1624,21 @@ static int soc_probe_link_components(struct snd_soc_card *card,
 
 static int soc_probe_dai(struct snd_soc_dai *dai, int order)
 {
-	int ret;
+	if (dai->probed ||
+	    dai->driver->probe_order != order)
+		return 0;
 
-	if (!dai->probed && dai->driver->probe_order == order) {
-		if (dai->driver->probe) {
-			ret = dai->driver->probe(dai);
-			if (ret < 0) {
-				dev_err(dai->dev,
-					"ASoC: failed to probe DAI %s: %d\n",
-					dai->name, ret);
-				return ret;
-			}
+	if (dai->driver->probe) {
+		int ret = dai->driver->probe(dai);
+		if (ret < 0) {
+			dev_err(dai->dev, "ASoC: failed to probe DAI %s: %d\n",
+				dai->name, ret);
+			return ret;
 		}
-
-		dai->probed = 1;
 	}
 
+	dai->probed = 1;
+
 	return 0;
 }