ASoC: Convert sh directory to module_platform_driver

Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 93dea49..11c6085 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -852,18 +852,7 @@
 	.remove		= __devexit_p(siu_remove),
 };
 
-static int __init siu_init(void)
-{
-	return platform_driver_register(&siu_driver);
-}
-
-static void __exit siu_exit(void)
-{
-	platform_driver_unregister(&siu_driver);
-}
-
-module_init(siu_init)
-module_exit(siu_exit)
+module_platform_driver(siu_driver);
 
 MODULE_AUTHOR("Carlos Munoz <carlos@kenati.com>");
 MODULE_DESCRIPTION("ALSA SoC SH7722 SIU driver");