ASoC: ak4642: Use of_device_get_match_data()

Use of_device_get_match_data() to simplify the code.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220315023226.2118354-1-chi.minghao@zte.com.cnSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/ak4613.c

@@ -653,15 +653,10 @@ static int ak4613_i2c_probe(struct i2c_client *i2c,
 	struct ak4613_priv *priv;
 
 	regmap_cfg = NULL;
-	if (np) {
-		const struct of_device_id *of_id;
-
-		of_id = of_match_device(ak4613_of_match, dev);
-		if (of_id)
-			regmap_cfg = of_id->data;
-	} else {
+	if (np)
+		regmap_cfg = of_device_get_match_data(dev);
+	else
 		regmap_cfg = (const struct regmap_config *)id->driver_data;
-	}
 
 	if (!regmap_cfg)
 		return -EINVAL;