ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers

[deliverable/linux.git] / sound / soc / codecs / wm8400.c

diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 502eefac1ecd797dd02ff8382e31e19f8d8b972b..0bf903f27564274f4fb6d7d49875aa6158aaf460 100644 (file)
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -1553,6 +1553,21 @@ 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",
@@ -1560,6 +1575,8 @@ 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)