Match data improvements for ak4642 driver

Merge series from Biju Das <biju.das.jz@bp.renesas.com>:

This patch series aims to add match data improvements for ak4642 driver.

This patch series is only compile tested.

sound/soc/codecs/ak4642.c

@@ -628,37 +628,23 @@ static struct clk *ak4642_of_parse_mcko(struct device *dev)
 #define ak4642_of_parse_mcko(d) 0
 #endif
 
-static const struct of_device_id ak4642_of_match[];
-static const struct i2c_device_id ak4642_i2c_id[];
 static int ak4642_i2c_probe(struct i2c_client *i2c)
 {
 	struct device *dev = &i2c->dev;
-	struct device_node *np = dev->of_node;
-	const struct ak4642_drvdata *drvdata = NULL;
+	const struct ak4642_drvdata *drvdata;
 	struct regmap *regmap;
 	struct ak4642_priv *priv;
 	struct clk *mcko = NULL;
 
-	if (np) {
-		const struct of_device_id *of_id;
-
+	if (dev_fwnode(dev)) {
 		mcko = ak4642_of_parse_mcko(dev);
 		if (IS_ERR(mcko))
 			mcko = NULL;
-
-		of_id = of_match_device(ak4642_of_match, dev);
-		if (of_id)
-			drvdata = of_id->data;
-	} else {
-		const struct i2c_device_id *id =
-			i2c_match_id(ak4642_i2c_id, i2c);
-		drvdata = (const struct ak4642_drvdata *)id->driver_data;
 	}
 
-	if (!drvdata) {
-		dev_err(dev, "Unknown device type\n");
-		return -EINVAL;
-	}
+	drvdata = i2c_get_match_data(i2c);
+	if (!drvdata)
+		return dev_err_probe(dev, -EINVAL, "Unknown device type\n");
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -681,7 +667,7 @@ static const struct of_device_id ak4642_of_match[] = {
 	{ .compatible = "asahi-kasei,ak4642",	.data = &ak4642_drvdata},
 	{ .compatible = "asahi-kasei,ak4643",	.data = &ak4643_drvdata},
 	{ .compatible = "asahi-kasei,ak4648",	.data = &ak4648_drvdata},
-	{},
+	{}
 };
 MODULE_DEVICE_TABLE(of, ak4642_of_match);
 
@@ -689,7 +675,7 @@ static const struct i2c_device_id ak4642_i2c_id[] = {
 	{ "ak4642", (kernel_ulong_t)&ak4642_drvdata },
 	{ "ak4643", (kernel_ulong_t)&ak4643_drvdata },
 	{ "ak4648", (kernel_ulong_t)&ak4648_drvdata },
-	{ }
+	{}
 };
 MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id);