struct snd_pcm_substream *substream);
 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id,
                                         struct pt_regs *regs);
-#ifdef CONFIG_PM
-static int snd_trident_suspend(struct snd_card *card, pm_message_t state);
-static int snd_trident_resume(struct snd_card *card);
-#endif
 static int snd_trident_sis_reset(struct snd_trident *trident);
 
 static void snd_trident_clear_voices(struct snd_trident * trident,
 
        snd_trident_enable_eso(trident);
 
-       
-       snd_card_set_pm_callback(card, snd_trident_suspend, snd_trident_resume, trident);
        snd_trident_proc_init(trident);
        snd_card_set_dev(card, &pci->dev);
        *rtrident = trident;
 }
 
 #ifdef CONFIG_PM
-static int snd_trident_suspend(struct snd_card *card, pm_message_t state)
+int snd_trident_suspend(struct pci_dev *pci, pm_message_t state)
 {
-       struct snd_trident *trident = card->pm_private_data;
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_trident *trident = card->private_data;
 
        trident->in_suspend = 1;
+       snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
        snd_pcm_suspend_all(trident->pcm);
-       if (trident->foldback)
-               snd_pcm_suspend_all(trident->foldback);
-       if (trident->spdif)
-               snd_pcm_suspend_all(trident->spdif);
+       snd_pcm_suspend_all(trident->foldback);
+       snd_pcm_suspend_all(trident->spdif);
 
        snd_ac97_suspend(trident->ac97);
-       if (trident->ac97_sec)
-               snd_ac97_suspend(trident->ac97_sec);
+       snd_ac97_suspend(trident->ac97_sec);
 
        switch (trident->device) {
        case TRIDENT_DEVICE_ID_DX:
        case TRIDENT_DEVICE_ID_SI7018:
                break;
        }
-       pci_disable_device(trident->pci);
+       pci_disable_device(pci);
+       pci_save_state(pci);
        return 0;
 }
 
-static int snd_trident_resume(struct snd_card *card)
+int snd_trident_resume(struct pci_dev *pci)
 {
-       struct snd_trident *trident = card->pm_private_data;
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_trident *trident = card->private_data;
 
-       pci_enable_device(trident->pci);
-       if (pci_set_dma_mask(trident->pci, 0x3fffffff) < 0 ||
-           pci_set_consistent_dma_mask(trident->pci, 0x3fffffff) < 0)
-               snd_printk(KERN_WARNING "trident: can't set the proper DMA mask\n");
-       pci_set_master(trident->pci); /* to be sure */
+       pci_restore_state(pci);
+       pci_enable_device(pci);
+       pci_set_master(pci); /* to be sure */
 
        switch (trident->device) {
        case TRIDENT_DEVICE_ID_DX:
        }
 
        snd_ac97_resume(trident->ac97);
-       if (trident->ac97_sec)
-               snd_ac97_resume(trident->ac97_sec);
+       snd_ac97_resume(trident->ac97_sec);
 
        /* restore some registers */
        outl(trident->musicvol_wavevol, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
 
        snd_trident_enable_eso(trident);
 
+       snd_power_change_state(card, SNDRV_CTL_POWER_D0);
        trident->in_suspend = 0;
        return 0;
 }