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authorTakashi Iwai <tiwai@suse.de>2005-11-17 16:08:27 +0100
committerJaroslav Kysela <perex@suse.cz>2006-01-03 12:27:31 +0100
commitb34a580ec5b2eb7d3a7645552821e9dadb42bdab (patch)
treeeafcecac59f5d297294e319991b83eab9bd4f465 /sound/pci/es1938.c
parent38c0a158ee23027e6a4fe47311e05d9c34c94da4 (diff)
[ALSA] es1938 - Fix PM support
Modules: ES1938 driver Fix PM support on ES1938 driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/es1938.c')
-rw-r--r--sound/pci/es1938.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index 577877dad2e..0d556b09ad0 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -1398,11 +1398,13 @@ static unsigned char saved_regs[SAVED_REG_SIZE+1] = {
};
-static int es1938_suspend(struct snd_card *card, pm_message_t state)
+static int es1938_suspend(struct pci_dev *pci, pm_message_t state)
{
- struct es1938 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct es1938 *chip = card->private_data;
unsigned char *s, *d;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
/* save mixer-related registers */
@@ -1411,20 +1413,23 @@ static int es1938_suspend(struct snd_card *card, pm_message_t state)
outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */
if (chip->irq >= 0)
- free_irq(chip->irq, chip);
- pci_disable_device(chip->pci);
+ free_irq(chip->irq, chip);
+ pci_disable_device(pci);
+ pci_save_state(pci);
return 0;
}
-static int es1938_resume(struct snd_card *card)
+static int es1938_resume(struct pci_dev *pci)
{
- struct es1938 *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct es1938 *chip = card->private_data;
unsigned char *s, *d;
- pci_enable_device(chip->pci);
- request_irq(chip->pci->irq, snd_es1938_interrupt,
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ request_irq(pci->irq, snd_es1938_interrupt,
SA_INTERRUPT|SA_SHIRQ, "ES1938", chip);
- chip->irq = chip->pci->irq;
+ chip->irq = pci->irq;
snd_es1938_chip_init(chip);
/* restore mixer-related registers */
@@ -1435,6 +1440,7 @@ static int es1938_resume(struct snd_card *card)
snd_es1938_write(chip, *s, *d);
}
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -1553,8 +1559,6 @@ static int __devinit snd_es1938_create(struct snd_card *card,
snd_es1938_chip_init(chip);
- snd_card_set_pm_callback(card, es1938_suspend, es1938_resume, chip);
-
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_es1938_free(chip);
return err;
@@ -1717,6 +1721,7 @@ static int __devinit snd_es1938_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
+ card->private_data = chip;
strcpy(card->driver, "ES1938");
strcpy(card->shortname, "ESS ES1938 (Solo-1)");
@@ -1781,7 +1786,10 @@ static struct pci_driver driver = {
.id_table = snd_es1938_ids,
.probe = snd_es1938_probe,
.remove = __devexit_p(snd_es1938_remove),
- SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+ .suspend = es1938_suspend,
+ .resume = es1938_resume,
+#endif
};
static int __init alsa_card_es1938_init(void)