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ALSA: intel8x0: Support PCM sync_stop

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The driver invokes snd_pcm_period_elapsed() simply from the interrupt
handler.  Set card->sync_irq for enabling the missing sync_stop PCM
operation.  It's cleared and reset dynamically at IRQ re-acquiring for
the PM resume, too.

Link: https://lore.kernel.org/r/20191210063454.31603-25-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-10 07:34:23 +01:00
parent b0ad3bbc1e
commit be1391c785
2 changed files with 6 additions and 1 deletions
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4
sound/pci/intel8x0.c
View File

@ -2592,6 +2592,7 @@ static int intel8x0_suspend(struct device *dev)
if (chip->irq >= 0) {
free_irq(chip->irq, chip);
chip->irq = -1;
card->sync_irq = -1;
}
return 0;
}
@ -2612,7 +2613,7 @@ static int intel8x0_resume(struct device *dev)
return -EIO;
}
chip->irq = pci->irq;
synchronize_irq(chip->irq);
card->sync_irq = chip->irq;
/* re-initialize mixer stuff */
if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
@ -3092,6 +3093,7 @@ static int snd_intel8x0_create(struct snd_card *card,
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_intel8x0_free(chip);

3
sound/pci/intel8x0m.c
View File

@ -999,6 +999,7 @@ static int intel8x0m_suspend(struct device *dev)
if (chip->irq >= 0) {
free_irq(chip->irq, chip);
chip->irq = -1;
card->sync_irq = -1;
}
return 0;
}
@ -1017,6 +1018,7 @@ static int intel8x0m_resume(struct device *dev)
return -EIO;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
snd_intel8x0m_chip_init(chip, 0);
snd_ac97_resume(chip->ac97);
@ -1191,6 +1193,7 @@ static int snd_intel8x0m_create(struct snd_card *card,
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_intel8x0m_free(chip);