ASoC: max98088: add OF support

MAX98088 is an older version of the MAX98089 device.
Signed-off-by: Andreas Färber <afaerber@suse.de>
[m.felsch@pengutronix.de: add CONFIG_OF compile switch]
[m.felsch@pengutronix.de: adapt commit message]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/max98088.c

@@ -1742,9 +1742,19 @@ static const struct i2c_device_id max98088_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
 
+#if defined(CONFIG_OF)
+static const struct of_device_id max98088_of_match[] = {
+	{ .compatible = "maxim,max98088" },
+	{ .compatible = "maxim,max98089" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, max98088_of_match);
+#endif
+
 static struct i2c_driver max98088_i2c_driver = {
 	.driver = {
 		.name = "max98088",
+		.of_match_table = of_match_ptr(max98088_of_match),
 	},
 	.probe  = max98088_i2c_probe,
 	.id_table = max98088_i2c_id,