[ALSA] via82xx - Fix PM support

Modules: VIA82xx driver,VIA82xx-modem driver

Fix PM support on VIA82xx and modem drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 21 insertions, 14 deletions

diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 55ef69a..22ce4d3 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -1019,31 +1019,35 @@ static int snd_via82xx_chip_init(struct via82xx_modem *chip)
 /*
  * power management
  */
-static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state)
+static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state)
 {
-	struct via82xx_modem *chip = card->pm_private_data;
+	struct snd_card *card = pci_get_drvdata(pci);
+	struct via82xx_modem *chip = card->private_data;
 	int i;
 
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 	for (i = 0; i < 2; i++)
-		if (chip->pcms[i])
-			snd_pcm_suspend_all(chip->pcms[i]);
+		snd_pcm_suspend_all(chip->pcms[i]);
 	for (i = 0; i < chip->num_devs; i++)
 		snd_via82xx_channel_reset(chip, &chip->devs[i]);
 	synchronize_irq(chip->irq);
 	snd_ac97_suspend(chip->ac97);
-	pci_set_power_state(chip->pci, 3);
-	pci_disable_device(chip->pci);
+	pci_set_power_state(pci, PCI_D3hot);
+	pci_disable_device(pci);
+	pci_save_state(pci);
 	return 0;
 }
 
-static int snd_via82xx_resume(struct snd_card *card)
+static int snd_via82xx_resume(struct pci_dev *pci)
 {
-	struct via82xx_modem *chip = card->pm_private_data;
+	struct snd_card *card = pci_get_drvdata(pci);
+	struct via82xx_modem *chip = card->private_data;
 	int i;
 
-	pci_enable_device(chip->pci);
-	pci_set_power_state(chip->pci, 0);
-	pci_set_master(chip->pci);
+	pci_restore_state(pci);
+	pci_enable_device(pci);
+	pci_set_power_state(pci, PCI_D0);
+	pci_set_master(pci);
 
 	snd_via82xx_chip_init(chip);
 
@@ -1052,6 +1056,7 @@ static int snd_via82xx_resume(struct snd_card *card)
 	for (i = 0; i < chip->num_devs; i++)
 		snd_via82xx_channel_reset(chip, &chip->devs[i]);
 
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
 }
 #endif /* CONFIG_PM */
@@ -1176,14 +1181,13 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci,
 	if ((err = snd_via82xx_create(card, pci, chip_type, revision,
 				      ac97_clock, &chip)) < 0)
 		goto __error;
+	card->private_data = chip;
 	if ((err = snd_via82xx_mixer_new(chip)) < 0)
 		goto __error;
 
 	if ((err = snd_via686_pcm_new(chip)) < 0 )
 		goto __error;
 
-	snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip);
-
 	/* disable interrupts */
 	for (i = 0; i < chip->num_devs; i++)
 		snd_via82xx_channel_reset(chip, &chip->devs[i]);
@@ -1216,7 +1220,10 @@ static struct pci_driver driver = {
 	.id_table = snd_via82xx_modem_ids,
 	.probe = snd_via82xx_probe,
 	.remove = __devexit_p(snd_via82xx_remove),
-	SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+	.suspend = snd_via82xx_suspend,
+	.resume = snd_via82xx_resume,
+#endif
 };
 
 static int __init alsa_card_via82xx_init(void)