ALSA: maestro3: 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/20191210063454.31603-28-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 501f187..9f75cc0 100644 (file)
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -2633,6 +2633,7 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
                goto free_chip;
        }
        chip->irq = pci->irq;
+       card->sync_irq = chip->irq;
 
 #ifdef CONFIG_PM_SLEEP
        chip->suspend_mem =