ALSA: msnd: Support PCM sync_stop

The driver invokes snd_pcm_period_elapsed() simply from the interrupt
handler.  Set card->sync_irq for enabling the missing sync_stop PCM
operation.

Link: https://lore.kernel.org/r/20191210063454.31603-44-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-10 07:34:42 +01:00
parent 914da68909
commit 52f623d0a8

View File

@ -538,6 +538,7 @@ static int snd_msnd_attach(struct snd_card *card)
printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", chip->irq);
return err;
}
card->sync_irq = chip->irq;
if (request_region(chip->io, DSP_NUMIO, card->shortname) == NULL) {
free_irq(chip->irq, chip);
return -EBUSY;