ASoC: rt5631: Adding Device Tree compatibility to Realtek's ALC5631/RT5631 codec driver

Signed-off-by: Krishna Mohan Dani <krishna.md@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/rt5631.c b/sound/soc/codecs/rt5631.c
index 1ba27db..3b7d5e4 100644
--- a/sound/soc/codecs/rt5631.c
+++ b/sound/soc/codecs/rt5631.c
@@ -1686,10 +1686,18 @@
 
 static const struct i2c_device_id rt5631_i2c_id[] = {
 	{ "rt5631", 0 },
+	{ "alc5631", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, rt5631_i2c_id);
 
+static struct of_device_id rt5631_i2c_dt_ids[] = {
+	{ .compatible = "realtek,rt5631"},
+	{ .compatible = "realtek,alc5631"},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rt5631_i2c_dt_ids);
+
 static const struct regmap_config rt5631_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 16,
@@ -1734,6 +1742,7 @@
 	.driver = {
 		.name = "rt5631",
 		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(rt5631_i2c_dt_ids),
 	},
 	.probe = rt5631_i2c_probe,
 	.remove   = rt5631_i2c_remove,