ASoC: Convert atmel directory to module_platform_driver

Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index a67fc9b..354341e 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -859,17 +859,7 @@
 }
 EXPORT_SYMBOL_GPL(atmel_ssc_set_audio);
 
-static int __init snd_atmel_ssc_init(void)
-{
-	return platform_driver_register(&asoc_ssc_driver);
-}
-module_init(snd_atmel_ssc_init);
-
-static void __exit snd_atmel_ssc_exit(void)
-{
-	platform_driver_unregister(&asoc_ssc_driver);
-}
-module_exit(snd_atmel_ssc_exit);
+module_platform_driver(asoc_ssc_driver);
 
 /* Module information */
 MODULE_AUTHOR("Sedji Gaouaou, sedji.gaouaou@atmel.com, www.atmel.com");