+#ifdef CONFIG_PM
+static int snd_ad1848_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_card *card = platform_get_drvdata(pdev);
+ struct snd_ad1848 *chip = card->private_data;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ chip->suspend(chip);
+ return 0;
+}
+
+static int snd_ad1848_resume(struct platform_device *pdev)
+{
+ struct snd_card *card = platform_get_drvdata(pdev);
+ struct snd_ad1848 *chip = card->private_data;
+
+ chip->resume(chip);
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+#define SND_AD1848_DRIVER "snd_ad1848"
+
+static struct platform_driver snd_ad1848_driver = {
+ .probe = snd_ad1848_probe,
+ .remove = __devexit_p(snd_ad1848_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_ad1848_suspend,
+ .resume = snd_ad1848_resume,
+#endif
+ .driver = {
+ .name = SND_AD1848_DRIVER
+ },
+};
+
+static void __init_or_module snd_ad1848_unregister_all(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(devices); ++i)
+ platform_device_unregister(devices[i]);
+ platform_driver_unregister(&snd_ad1848_driver);
+}
+