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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 16:10:35 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:27:48 +0100 |
| commit | 57feb83507d598de04e986cfa463acda9f2a67a8 (patch) | |
| tree | 3a9b9fef2fed7b8306674724685270c012d096b9 /sound/pci/via82xx.c | |
| parent | 0e2364a7013688c06d1a9454a2c20567027f6a6e (diff) | |
| download | lwn-57feb83507d598de04e986cfa463acda9f2a67a8.tar.gz lwn-57feb83507d598de04e986cfa463acda9f2a67a8.zip | |
[ALSA] via82xx - Fix PM support
Modules: VIA82xx driver,VIA82xx-modem driver
Fix PM support on VIA82xx and modem drivers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/via82xx.c')
| -rw-r--r-- | sound/pci/via82xx.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index c87000130dd2..ce4985f8078e 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -2126,14 +2126,15 @@ static int snd_via82xx_chip_init(struct via82xx *chip) /* * power management */ -static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state) +static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) { - struct via82xx *chip = card->pm_private_data; + struct snd_card *card = pci_get_drvdata(pci); + struct via82xx *chip = card->private_data; int i; + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); for (i = 0; i < 2; i++) - if (chip->pcms[i]) - snd_pcm_suspend_all(chip->pcms[i]); + snd_pcm_suspend_all(chip->pcms[i]); for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); synchronize_irq(chip->irq); @@ -2146,18 +2147,21 @@ static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state) chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); } - pci_set_power_state(chip->pci, 3); - pci_disable_device(chip->pci); + pci_set_power_state(pci, PCI_D3hot); + pci_disable_device(pci); + pci_save_state(pci); return 0; } -static int snd_via82xx_resume(struct snd_card *card) +static int snd_via82xx_resume(struct pci_dev *pci) { - struct via82xx *chip = card->pm_private_data; + struct snd_card *card = pci_get_drvdata(pci); + struct via82xx *chip = card->private_data; int i; - pci_enable_device(chip->pci); - pci_set_power_state(chip->pci, 0); + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_power_state(pci, PCI_D0); snd_via82xx_chip_init(chip); @@ -2177,6 +2181,7 @@ static int snd_via82xx_resume(struct snd_card *card) for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif /* CONFIG_PM */ @@ -2453,6 +2458,7 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci, if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock, &chip)) < 0) goto __error; + card->private_data = chip; if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) goto __error; @@ -2481,8 +2487,6 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci, goto __error; } - snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); - /* disable interrupts */ for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); @@ -2516,7 +2520,10 @@ static struct pci_driver driver = { .id_table = snd_via82xx_ids, .probe = snd_via82xx_probe, .remove = __devexit_p(snd_via82xx_remove), - SND_PCI_PM_CALLBACKS +#ifdef CONFIG_PM + .suspend = snd_via82xx_suspend, + .resume = snd_via82xx_resume, +#endif }; static int __init alsa_card_via82xx_init(void) |