ASoC: wm9090: Use module_i2c_driver

module_i2c_driver makes the code simpler by eliminating module_init
and module_exit calls.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm9090.c

@@ -695,17 +695,7 @@ static struct i2c_driver wm9090_i2c_driver = {
 	.id_table = wm9090_id,
 };
 
-static int __init wm9090_init(void)
-{
-	return i2c_add_driver(&wm9090_i2c_driver);
-}
-module_init(wm9090_init);
-
-static void __exit wm9090_exit(void)
-{
-	i2c_del_driver(&wm9090_i2c_driver);
-}
-module_exit(wm9090_exit);
+module_i2c_driver(wm9090_i2c_driver);
 
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM9090 ASoC driver");