ASoC: Convert mxs directory to module_platform_driver

Factor out some boilerplate code.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/mxs/mxs-pcm.c

@@ -346,14 +346,4 @@ static struct platform_driver mxs_pcm_driver = {
 	.remove = __devexit_p(mxs_soc_platform_remove),
 };
 
-static int __init snd_mxs_pcm_init(void)
-{
-	return platform_driver_register(&mxs_pcm_driver);
-}
-module_init(snd_mxs_pcm_init);
-
-static void __exit snd_mxs_pcm_exit(void)
-{
-	platform_driver_unregister(&mxs_pcm_driver);
-}
-module_exit(snd_mxs_pcm_exit);
+module_platform_driver(mxs_pcm_driver);

sound/soc/mxs/mxs-saif.c

@@ -781,18 +781,8 @@ static struct platform_driver mxs_saif_driver = {
 	},
 };
 
-static int __init mxs_saif_init(void)
-{
-	return platform_driver_register(&mxs_saif_driver);
-}
-
-static void __exit mxs_saif_exit(void)
-{
-	platform_driver_unregister(&mxs_saif_driver);
-}
+module_platform_driver(mxs_saif_driver);
 
-module_init(mxs_saif_init);
-module_exit(mxs_saif_exit);
 MODULE_AUTHOR("Freescale Semiconductor, Inc.");
 MODULE_DESCRIPTION("MXS ASoC SAIF driver");
 MODULE_LICENSE("GPL");

sound/soc/mxs/mxs-sgtl5000.c

@@ -156,17 +156,7 @@ static struct platform_driver mxs_sgtl5000_audio_driver = {
 	.remove = __devexit_p(mxs_sgtl5000_remove),
 };
 
-static int __init mxs_sgtl5000_init(void)
-{
-	return platform_driver_register(&mxs_sgtl5000_audio_driver);
-}
-module_init(mxs_sgtl5000_init);
-
-static void __exit mxs_sgtl5000_exit(void)
-{
-	platform_driver_unregister(&mxs_sgtl5000_audio_driver);
-}
-module_exit(mxs_sgtl5000_exit);
+module_platform_driver(mxs_sgtl5000_audio_driver);
 
 MODULE_AUTHOR("Freescale Semiconductor, Inc.");
 MODULE_DESCRIPTION("MXS ALSA SoC Machine driver");