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[ALSA] nm256-intel - Fix PM support

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Modules: NM256 driver

Fix PM support on NM256 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 16:11:24 +01:00 committed by Jaroslav Kysela
parent 421a12520d
commit 3fcf7d2cd8
1 changed files with 17 additions and 9 deletions
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26
sound/pci/nm256/nm256.c
View file

@ -1308,24 +1308,29 @@ snd_nm256_peek_for_sig(struct nm256 *chip)
* 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 @@ static int nm256_resume(struct snd_card *card)
}
}
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@ -1524,8 +1530,6 @@ snd_nm256_create(struct snd_card *card, struct pci_dev *pci,
// 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 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci,
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 @@ static struct pci_driver driver = {
.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
};