hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[ALSA] hda-intel - Fix PM support 

Modules: HDA Intel driver

Fix PM support on HDA-Intel driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 16:11:09 +01:00 committed by Jaroslav Kysela
parent bf53c3b3f3
commit 421a12520d
1 changed files with 19 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
sound/pci/hda/hda_intel.c
View File

@ -1326,28 +1326,33 @@ static int __devinit azx_init_stream(struct azx *chip)
/*
* power management
*/
static int azx_suspend(struct snd_card *card, pm_message_t state)
static int azx_suspend(struct pci_dev *pci, pm_message_t state)
{
struct azx *chip = card->pm_private_data;
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < chip->pcm_devs; i++)
if (chip->pcm[i])
snd_pcm_suspend_all(chip->pcm[i]);
snd_pcm_suspend_all(chip->pcm[i]);
snd_hda_suspend(chip->bus, state);
azx_free_cmd_io(chip);
pci_disable_device(chip->pci);
pci_disable_device(pci);
pci_save_state(pci);
return 0;
}
static int azx_resume(struct snd_card *card)
static int azx_resume(struct pci_dev *pci)
{
struct azx *chip = card->pm_private_data;
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
pci_enable_device(chip->pci);
pci_set_master(chip->pci);
pci_restore_state(pci);
pci_enable_device(pci);
pci_set_master(pci);
azx_init_chip(chip);
snd_hda_resume(chip->bus);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@ -1559,6 +1564,7 @@ static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *
snd_card_free(card);
return err;
}
card->private_data = chip;
/* create codec instances */
if ((err = azx_codec_create(chip, model)) < 0) {
@ -1578,7 +1584,6 @@ static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *
return err;
}
snd_card_set_pm_callback(card, azx_suspend, azx_resume, chip);
snd_card_set_dev(card, &pci->dev);
if ((err = snd_card_register(card)) < 0) {
@ -1618,7 +1623,10 @@ static struct pci_driver driver = {
.id_table = azx_ids,
.probe = azx_probe,
.remove = __devexit_p(azx_remove),
SND_PCI_PM_CALLBACKS
#ifdef CONFIG_PM
.suspend = azx_suspend,
.resume = azx_resume,
#endif
};
static int __init alsa_card_azx_init(void)