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authorTakashi Iwai <tiwai@suse.de>2005-11-17 16:09:04 +0100
committerJaroslav Kysela <perex@suse.cz>2006-01-03 12:27:35 +0100
commitcb28e45ba2aa42393596a364d4f947027db8a1b5 (patch)
tree8a9dbc18b5d4c2820fedf1ec27ec25c578ddee8c /sound/pci
parent1d4b822be64b119b47c172aaac7ee76949470e28 (diff)
[ALSA] cs46xx - Fix PM support
Modules: CS46xx driver Fix PM support on CS46xx driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/cs46xx/cs46xx.c6
-rw-r--r--sound/pci/cs46xx/cs46xx_lib.c28
2 files changed, 20 insertions, 14 deletions
diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c
index 7d6b29e5433..c590602e20c 100644
--- a/sound/pci/cs46xx/cs46xx.c
+++ b/sound/pci/cs46xx/cs46xx.c
@@ -98,6 +98,7 @@ static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
+ card->private_data = chip;
chip->accept_valid = mmap_valid[dev];
if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
snd_card_free(card);
@@ -166,7 +167,10 @@ static struct pci_driver driver = {
.id_table = snd_cs46xx_ids,
.probe = snd_card_cs46xx_probe,
.remove = __devexit_p(snd_card_cs46xx_remove),
- SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+ .suspend = snd_cs46xx_suspend,
+ .resume = snd_cs46xx_resume,
+#endif
};
static int __init alsa_card_cs46xx_init(void)
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 11d91d08a14..0ec0592a6e6 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -3654,18 +3654,19 @@ static struct cs_card_type __devinitdata cards[] = {
* APM support
*/
#ifdef CONFIG_PM
-static int snd_cs46xx_suspend(struct snd_card *card, pm_message_t state)
+int snd_cs46xx_suspend(struct pci_dev *pci, pm_message_t state)
{
- struct snd_cs46xx *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_cs46xx *chip = card->private_data;
int amp_saved;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
// chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL);
// chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE);
snd_ac97_suspend(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
- if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
- snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
+ snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
amp_saved = chip->amplifier;
/* turn off amp */
@@ -3674,17 +3675,20 @@ static int snd_cs46xx_suspend(struct snd_card *card, pm_message_t state)
/* disable CLKRUN */
chip->active_ctrl(chip, -chip->amplifier);
chip->amplifier = amp_saved; /* restore the status */
- pci_disable_device(chip->pci);
+ pci_disable_device(pci);
+ pci_save_state(pci);
return 0;
}
-static int snd_cs46xx_resume(struct snd_card *card)
+int snd_cs46xx_resume(struct pci_dev *pci)
{
- struct snd_cs46xx *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_cs46xx *chip = card->private_data;
int amp_saved;
- pci_enable_device(chip->pci);
- pci_set_master(chip->pci);
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_master(pci);
amp_saved = chip->amplifier;
chip->amplifier = 0;
chip->active_ctrl(chip, 1); /* force to on */
@@ -3703,14 +3707,14 @@ static int snd_cs46xx_resume(struct snd_card *card)
#endif
snd_ac97_resume(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
- if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
- snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
+ snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
if (amp_saved)
chip->amplifier_ctrl(chip, 1); /* turn amp on */
else
chip->active_ctrl(chip, -1); /* disable CLKRUN */
chip->amplifier = amp_saved;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -3870,8 +3874,6 @@ int __devinit snd_cs46xx_create(struct snd_card *card,
snd_cs46xx_proc_init(card, chip);
- snd_card_set_pm_callback(card, snd_cs46xx_suspend, snd_cs46xx_resume, chip);
-
chip->active_ctrl(chip, -1); /* disable CLKRUN */
snd_card_set_dev(card, &pci->dev);