ALSA: aw2: 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/20191210063454.31603-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/aw2/aw2-alsa.c b/sound/pci/aw2/aw2-alsa.c
index 7df55797c2f69c71c14f57a6fa54097290b2b8e2..819b148573a69c41846821208fedd8e413628b6d 100644 (file)
--- a/sound/pci/aw2/aw2-alsa.c
+++ b/sound/pci/aw2/aw2-alsa.c
@@ -287,6 +287,7 @@ static int snd_aw2_create(struct snd_card *card,
                return -EBUSY;
        }
        chip->irq = pci->irq;
+       card->sync_irq = chip->irq;
 
        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
        if (err < 0) {