ASoC: cs42l51: 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/cs42l51.c

@@ -614,24 +614,7 @@ static struct i2c_driver cs42l51_i2c_driver = {
 	.remove = cs42l51_i2c_remove,
 };
 
-static int __init cs42l51_init(void)
-{
-	int ret;
-
-	ret = i2c_add_driver(&cs42l51_i2c_driver);
-	if (ret != 0) {
-		printk(KERN_ERR "%s: can't add i2c driver\n", __func__);
-		return ret;
-	}
-	return 0;
-}
-module_init(cs42l51_init);
-
-static void __exit cs42l51_exit(void)
-{
-	i2c_del_driver(&cs42l51_i2c_driver);
-}
-module_exit(cs42l51_exit);
+module_i2c_driver(cs42l51_i2c_driver);
 
 MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
 MODULE_DESCRIPTION("Cirrus Logic CS42L51 ALSA SoC Codec Driver");