ASoC: wm8993: Convert to module_i2c_driver()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8993.c

@@ -1859,24 +1859,7 @@ static struct i2c_driver wm8993_i2c_driver = {
 	.id_table = wm8993_i2c_id,
 };
 
-static int __init wm8993_modinit(void)
-{
-	int ret = 0;
-	ret = i2c_add_driver(&wm8993_i2c_driver);
-	if (ret != 0) {
-		pr_err("WM8993: Unable to register I2C driver: %d\n",
-		       ret);
-	}
-	return ret;
-}
-module_init(wm8993_modinit);
-
-static void __exit wm8993_exit(void)
-{
-	i2c_del_driver(&wm8993_i2c_driver);
-}
-module_exit(wm8993_exit);
-
+module_i2c_driver(wm8993_i2c_driver);
 
 MODULE_DESCRIPTION("ASoC WM8993 driver");
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");