ALSA: aoa: Convert onyx and tas codec drivers to module_i2c_driver

This patch converts onyx and tas codec drivers to use the module_i2c_driver()
macro which makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/aoa/codecs/onyx.c

@@ -1132,15 +1132,4 @@ static struct i2c_driver onyx_driver = {
 	.id_table = onyx_i2c_id,
 };
 
-static int __init onyx_init(void)
-{
-	return i2c_add_driver(&onyx_driver);
-}
-
-static void __exit onyx_exit(void)
-{
-	i2c_del_driver(&onyx_driver);
-}
-
-module_init(onyx_init);
-module_exit(onyx_exit);
+module_i2c_driver(onyx_driver);

sound/aoa/codecs/tas.c

@@ -1026,15 +1026,4 @@ static struct i2c_driver tas_driver = {
 	.id_table = tas_i2c_id,
 };
 
-static int __init tas_init(void)
-{
-	return i2c_add_driver(&tas_driver);
-}
-
-static void __exit tas_exit(void)
-{
-	i2c_del_driver(&tas_driver);
-}
-
-module_init(tas_init);
-module_exit(tas_exit);
+module_i2c_driver(tas_driver);