From 5809c6c41ae95ce3f45ad14d31503deb1fa8268a Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 17 Nov 2005 16:10:01 +0100 Subject: [ALSA] intel8x0 - Fix PM support Modules: Intel8x0 driver,Intel8x0-modem driver Fix PM support on Intel8x0 and modem drivers. Signed-off-by: Takashi Iwai --- sound/pci/intel8x0.c | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-) (limited to 'sound/pci/intel8x0.c') 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 }; -- cgit v1.2.3