[ALSA] nm256-intel - Fix PM support
Modules: NM256 driver
Fix PM support on NM256 driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 99ec1c1..0d0ff54 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1308,24 +1308,29 @@
* APM event handler, so the card is properly reinitialized after a power
* event.
*/
-static int nm256_suspend(struct snd_card *card, pm_message_t state)
+static int nm256_suspend(struct pci_dev *pci, pm_message_t state)
{
- struct nm256 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct nm256 *chip = card->private_data;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
chip->coeffs_current = 0;
- pci_disable_device(chip->pci);
+ pci_disable_device(pci);
+ pci_save_state(pci);
return 0;
}
-static int nm256_resume(struct snd_card *card)
+static int nm256_resume(struct pci_dev *pci)
{
- struct nm256 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct nm256 *chip = card->private_data;
int i;
/* Perform a full reset on the hardware */
- pci_enable_device(chip->pci);
+ pci_restore_state(pci);
+ pci_enable_device(pci);
snd_nm256_init_chip(chip);
/* restore ac97 */
@@ -1340,6 +1345,7 @@
}
}
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -1524,8 +1530,6 @@
// pci_set_master(pci); /* needed? */
- snd_card_set_pm_callback(card, nm256_suspend, nm256_resume, chip);
-
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
goto __error;
@@ -1625,6 +1629,7 @@
snd_card_free(card);
return err;
}
+ card->private_data = chip;
if (reset_workaround) {
snd_printdd(KERN_INFO "nm256: reset_workaround activated\n");
@@ -1668,7 +1673,10 @@
.id_table = snd_nm256_ids,
.probe = snd_nm256_probe,
.remove = __devexit_p(snd_nm256_remove),
- SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+ .suspend = nm256_suspend,
+ .resume = nm256_resume,
+#endif
};