diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/als4000.c | 76 |
1 files changed, 69 insertions, 7 deletions
diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index 8d0d9c0222c..7b2ff5f4672 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -109,6 +109,7 @@ struct snd_card_als4000 { /* most frequent access first */ unsigned long gcr; struct pci_dev *pci; + struct snd_sb *chip; #ifdef SUPPORT_JOYSTICK struct gameport *gameport; #endif @@ -305,14 +306,20 @@ static int snd_als4000_capture_trigger(struct snd_pcm_substream *substream, int int result = 0; spin_lock(&chip->mixer_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: chip->mode |= SB_RATE_LOCK_CAPTURE; snd_sbmixer_write(chip, 0xde, capture_cmd(chip)); - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: chip->mode &= ~SB_RATE_LOCK_CAPTURE; snd_sbmixer_write(chip, 0xde, 0); - } else { + break; + default: result = -EINVAL; + break; } spin_unlock(&chip->mixer_lock); return result; @@ -324,14 +331,20 @@ static int snd_als4000_playback_trigger(struct snd_pcm_substream *substream, int int result = 0; spin_lock(&chip->reg_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: chip->mode |= SB_RATE_LOCK_PLAYBACK; snd_sbdsp_command(chip, playback_cmd(chip).dma_on); - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: snd_sbdsp_command(chip, playback_cmd(chip).dma_off); chip->mode &= ~SB_RATE_LOCK_PLAYBACK; - } else { + break; + default: result = -EINVAL; + break; } spin_unlock(&chip->reg_lock); return result; @@ -551,7 +564,7 @@ static void snd_als4000_set_addr(unsigned long gcr, snd_als4000_gcr_write_addr(gcr, 0xa9, confB); } -static void __devinit snd_als4000_configure(struct snd_sb *chip) +static void snd_als4000_configure(struct snd_sb *chip) { unsigned tmp; int i; @@ -718,6 +731,7 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, &chip)) < 0) { goto out_err; } + acard->chip = chip; chip->pci = pci; chip->alt_port = gcr; @@ -777,11 +791,59 @@ static void __devexit snd_card_als4000_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } +#ifdef CONFIG_PM +static int snd_als4000_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_card_als4000 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(chip->pcm); + snd_sbmixer_suspend(chip); + + pci_set_power_state(pci, PCI_D3hot); + pci_disable_device(pci); + pci_save_state(pci); + return 0; +} + +static int snd_als4000_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_card_als4000 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_power_state(pci, PCI_D0); + pci_set_master(pci); + + snd_als4000_configure(chip); + snd_sbdsp_reset(chip); + snd_sbmixer_resume(chip); + +#ifdef SUPPORT_JOYSTICK + if (acard->gameport) + snd_als4000_set_addr(acard->gcr, 0, 0, 0, 1); +#endif + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + + static struct pci_driver driver = { .name = "ALS4000", .id_table = snd_als4000_ids, .probe = snd_card_als4000_probe, .remove = __devexit_p(snd_card_als4000_remove), +#ifdef CONFIG_PM + .suspend = snd_als4000_suspend, + .resume = snd_als4000_resume, +#endif }; static int __init alsa_card_als4000_init(void) |