ASoC: Convert imx 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>

sound/soc/imx/imx-pcm-dma-mx2.c

@@ -326,16 +326,6 @@ static struct platform_driver imx_pcm_driver = {
 	.remove = __devexit_p(imx_soc_platform_remove),
 };
 
-static int __init snd_imx_pcm_init(void)
-{
-	return platform_driver_register(&imx_pcm_driver);
-}
-module_init(snd_imx_pcm_init);
-
-static void __exit snd_imx_pcm_exit(void)
-{
-	platform_driver_unregister(&imx_pcm_driver);
-}
-module_exit(snd_imx_pcm_exit);
+module_platform_driver(imx_pcm_driver);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:imx-pcm-audio");

sound/soc/imx/imx-pcm-fiq.c

@@ -331,14 +331,4 @@ static struct platform_driver imx_pcm_driver = {
 	.remove = __devexit_p(imx_soc_platform_remove),
 };
 
-static int __init snd_imx_pcm_init(void)
-{
-	return platform_driver_register(&imx_pcm_driver);
-}
-module_init(snd_imx_pcm_init);
-
-static void __exit snd_imx_pcm_exit(void)
-{
-	platform_driver_unregister(&imx_pcm_driver);
-}
-module_exit(snd_imx_pcm_exit);
+module_platform_driver(imx_pcm_driver);

sound/soc/imx/imx-ssi.c

@@ -757,18 +757,7 @@ static struct platform_driver imx_ssi_driver = {
 	},
 };
 
-static int __init imx_ssi_init(void)
-{
-	return platform_driver_register(&imx_ssi_driver);
-}
-
-static void __exit imx_ssi_exit(void)
-{
-	platform_driver_unregister(&imx_ssi_driver);
-}
-
-module_init(imx_ssi_init);
-module_exit(imx_ssi_exit);
+module_platform_driver(imx_ssi_driver);
 
 /* Module information */
 MODULE_AUTHOR("Sascha Hauer, <s.hauer@pengutronix.de>");