ALSA: ad1889: 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/20191210063454.31603-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 4b902c1..7770157 100644 (file)
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -899,7 +899,7 @@ snd_ad1889_create(struct snd_card *card,
        }
 
        chip->irq = pci->irq;
-       synchronize_irq(chip->irq);
+       card->sync_irq = chip->irq;
 
        /* (2) initialization of the chip hardware */
        if ((err = snd_ad1889_init(chip)) < 0) {