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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 16:08:11 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:27:27 +0100 |
| commit | 38c0a158ee23027e6a4fe47311e05d9c34c94da4 (patch) | |
| tree | 541dfe21e27fed32932b117aa00dd3d5971ac344 /sound/pci/cs4281.c | |
| parent | 92304cc7ecfc87d8336696ab5fe6a1c0eec2ff00 (diff) | |
| download | lwn-38c0a158ee23027e6a4fe47311e05d9c34c94da4.tar.gz lwn-38c0a158ee23027e6a4fe47311e05d9c34c94da4.zip | |
[ALSA] cs4281 - Fix PM support
Modules: CS4281 driver
Fix PM support on CS4281 driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/cs4281.c')
| -rw-r--r-- | sound/pci/cs4281.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index 116cdc1c5528..4f65ec56bf35 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -1339,10 +1339,6 @@ static int snd_cs4281_dev_free(struct snd_device *device) } static int snd_cs4281_chip_init(struct cs4281 *chip); /* defined below */ -#ifdef CONFIG_PM -static int cs4281_suspend(struct snd_card *card, pm_message_t state); -static int cs4281_resume(struct snd_card *card); -#endif static int __devinit snd_cs4281_create(struct snd_card *card, struct pci_dev *pci, @@ -1411,8 +1407,6 @@ static int __devinit snd_cs4281_create(struct snd_card *card, snd_cs4281_proc_init(chip); - snd_card_set_pm_callback(card, cs4281_suspend, cs4281_resume, chip); - snd_card_set_dev(card, &pci->dev); *rchip = chip; @@ -1936,6 +1930,7 @@ static int __devinit snd_cs4281_probe(struct pci_dev *pci, snd_card_free(card); return err; } + card->private_data = chip; if ((err = snd_cs4281_mixer(chip)) < 0) { snd_card_free(card); @@ -2007,18 +2002,18 @@ static int saved_regs[SUSPEND_REGISTERS] = { #define CLKCR1_CKRA 0x00010000L -static int cs4281_suspend(struct snd_card *card, pm_message_t state) +static int cs4281_suspend(struct pci_dev *pci, pm_message_t state) { - struct cs4281 *chip = card->pm_private_data; + struct snd_card *card = pci_get_drvdata(pci); + struct cs4281 *chip = card->private_data; u32 ulCLK; unsigned int i; + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); snd_pcm_suspend_all(chip->pcm); - if (chip->ac97) - snd_ac97_suspend(chip->ac97); - if (chip->ac97_secondary) - snd_ac97_suspend(chip->ac97_secondary); + snd_ac97_suspend(chip->ac97); + snd_ac97_suspend(chip->ac97_secondary); ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); ulCLK |= CLKCR1_CKRA; @@ -2048,18 +2043,21 @@ static int cs4281_suspend(struct snd_card *card, pm_message_t state) ulCLK &= ~CLKCR1_CKRA; snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); - pci_disable_device(chip->pci); + pci_disable_device(pci); + pci_save_state(pci); return 0; } -static int cs4281_resume(struct snd_card *card) +static int cs4281_resume(struct pci_dev *pci) { - struct cs4281 *chip = card->pm_private_data; + struct snd_card *card = pci_get_drvdata(pci); + struct cs4281 *chip = card->private_data; unsigned int i; u32 ulCLK; - pci_enable_device(chip->pci); - pci_set_master(chip->pci); + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_master(pci); ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); ulCLK |= CLKCR1_CKRA; @@ -2072,15 +2070,14 @@ static int cs4281_resume(struct snd_card *card) if (saved_regs[i]) snd_cs4281_pokeBA0(chip, saved_regs[i], chip->suspend_regs[i]); - if (chip->ac97) - snd_ac97_resume(chip->ac97); - if (chip->ac97_secondary) - snd_ac97_resume(chip->ac97_secondary); + snd_ac97_resume(chip->ac97); + snd_ac97_resume(chip->ac97_secondary); ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); ulCLK &= ~CLKCR1_CKRA; snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif /* CONFIG_PM */ @@ -2090,7 +2087,10 @@ static struct pci_driver driver = { .id_table = snd_cs4281_ids, .probe = snd_cs4281_probe, .remove = __devexit_p(snd_cs4281_remove), - SND_PCI_PM_CALLBACKS +#ifdef CONFIG_PM + .suspend = cs4281_suspend, + .resume = cs4281_resume, +#endif }; static int __init alsa_card_cs4281_init(void) |