ASoC: Remove snd_soc_suspend_device()

The PM core will grow pm_link infrastructure in 2.6.33 which can be
used to implement the intended functionality of the ASoC-specific
device suspend and resume callbacks so drop them.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8400.c

@@ -1559,21 +1559,6 @@ static int __exit wm8400_codec_remove(struct platform_device *dev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
-{
-	return snd_soc_suspend_device(&pdev->dev);
-}
-
-static int wm8400_pdev_resume(struct platform_device *pdev)
-{
-	return snd_soc_resume_device(&pdev->dev);
-}
-#else
-#define wm8400_pdev_suspend NULL
-#define wm8400_pdev_resume NULL
-#endif
-
 static struct platform_driver wm8400_codec_driver = {
 	.driver = {
 		.name = "wm8400-codec",
@@ -1581,8 +1566,6 @@ static struct platform_driver wm8400_codec_driver = {
 	},
 	.probe = wm8400_codec_probe,
 	.remove	= __exit_p(wm8400_codec_remove),
-	.suspend = wm8400_pdev_suspend,
-	.resume = wm8400_pdev_resume,
 };
 
 static int __init wm8400_codec_init(void)