[ALSA] trident - Fix PM support

Modules: Trident driver

Fix PM support on Trident driver.

Signed-off-by: Takashi Iwai <[e-mail]>

include/sound/trident.h

···
 void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice);
 void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice);
 void snd_trident_write_voice_regs(struct snd_trident * trident, struct snd_trident_voice *voice);
+int snd_trident_suspend(struct pci_dev *pci, pm_message_t state);
+int snd_trident_resume(struct pci_dev *pci);
 
 /* TLB memory allocation */
 struct snd_util_memblk *snd_trident_alloc_pages(struct snd_trident *trident,

sound/pci/trident/trident.c

···
 		snd_card_free(card);
 		return err;
 	}
+	card->private_data = trident;
 
 	switch (trident->device) {
 	case TRIDENT_DEVICE_ID_DX:
···
 	.id_table = snd_trident_ids,
 	.probe = snd_trident_probe,
 	.remove = __devexit_p(snd_trident_remove),
-	SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+	.suspend = snd_trident_suspend,
+	.resume = snd_trident_resume,
+#endif
 };
 
 static int __init alsa_card_trident_init(void)

sound/pci/trident/trident_main.c

···
 				      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;
 }