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authorTakashi Iwai <tiwai@suse.de>2005-11-17 16:10:01 +0100
committerJaroslav Kysela <perex@suse.cz>2006-01-03 12:27:42 +0100
commit5809c6c41ae95ce3f45ad14d31503deb1fa8268a (patch)
treec1029ae1b55bb67414459d47820dd39dfd277ef7 /sound/pci/intel8x0.c
parentded462356886e5f80f6a20b227f7e5cf7cfc5159 (diff)
[ALSA] intel8x0 - Fix PM support
Modules: Intel8x0 driver,Intel8x0-modem driver Fix PM support on Intel8x0 and modem drivers. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/intel8x0.c')
-rw-r--r--sound/pci/intel8x0.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 3ea90f1e22e..c5c4ec64a15 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2396,11 +2396,13 @@ static int snd_intel8x0_free(struct intel8x0 *chip)
/*
* power management
*/
-static int intel8x0_suspend(struct snd_card *card, pm_message_t state)
+static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
{
- struct intel8x0 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct intel8x0 *chip = card->private_data;
int i;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < chip->pcm_devs; i++)
snd_pcm_suspend_all(chip->pcm[i]);
/* clear nocache */
@@ -2415,26 +2417,29 @@ static int intel8x0_suspend(struct snd_card *card, pm_message_t state)
}
}
for (i = 0; i < 3; i++)
- if (chip->ac97[i])
- snd_ac97_suspend(chip->ac97[i]);
+ snd_ac97_suspend(chip->ac97[i]);
if (chip->device_type == DEVICE_INTEL_ICH4)
chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
if (chip->irq >= 0)
free_irq(chip->irq, chip);
- pci_disable_device(chip->pci);
+ pci_disable_device(pci);
+ pci_save_state(pci);
return 0;
}
-static int intel8x0_resume(struct snd_card *card)
+static int intel8x0_resume(struct pci_dev *pci)
{
- struct intel8x0 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct intel8x0 *chip = card->private_data;
int i;
- pci_enable_device(chip->pci);
- pci_set_master(chip->pci);
- request_irq(chip->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_master(pci);
+ request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
card->shortname, chip);
+ chip->irq = pci->irq;
synchronize_irq(chip->irq);
snd_intel8x0_chip_init(chip, 1);
@@ -2453,8 +2458,7 @@ static int intel8x0_resume(struct snd_card *card)
fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
for (i = 0; i < 3; i++)
- if (chip->ac97[i])
- snd_ac97_resume(chip->ac97[i]);
+ snd_ac97_resume(chip->ac97[i]);
/* refill nocache */
if (chip->fix_nocache) {
@@ -2482,6 +2486,7 @@ static int intel8x0_resume(struct snd_card *card)
iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
}
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -2800,8 +2805,6 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
return err;
}
- snd_card_set_pm_callback(card, intel8x0_suspend, intel8x0_resume, chip);
-
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_intel8x0_free(chip);
return err;
@@ -2889,6 +2892,7 @@ static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
+ card->private_data = chip;
if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
snd_card_free(card);
@@ -2927,7 +2931,10 @@ static struct pci_driver driver = {
.id_table = snd_intel8x0_ids,
.probe = snd_intel8x0_probe,
.remove = __devexit_p(snd_intel8x0_remove),
- SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+ .suspend = intel8x0_suspend,
+ .resume = intel8x0_resume,
+#endif
};