ASoC: Convert CODEC drivers to module_platform_driver

Factors out a bit of boilerplate.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wl1273.c b/sound/soc/codecs/wl1273.c
index 9531c35..44aacf9 100644
--- a/sound/soc/codecs/wl1273.c
+++ b/sound/soc/codecs/wl1273.c
@@ -510,17 +510,7 @@
 	.remove		= __devexit_p(wl1273_platform_remove),
 };
 
-static int __init wl1273_init(void)
-{
-	return platform_driver_register(&wl1273_platform_driver);
-}
-module_init(wl1273_init);
-
-static void __exit wl1273_exit(void)
-{
-	platform_driver_unregister(&wl1273_platform_driver);
-}
-module_exit(wl1273_exit);
+module_platform_driver(wl1273_platform_driver);
 
 MODULE_AUTHOR("Matti Aaltonen <matti.j.aaltonen@nokia.com>");
 MODULE_DESCRIPTION("ASoC WL1273 codec driver");