ALSA: als300: 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/20191210063454.31603-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/als300.c b/sound/pci/als300.c
index 0fb84d1d1dbeba9a360fd562abd54faff6e3bd67..6573a2259cb65bf1d46a0e3330efad922c64fa8f 100644 (file)
--- a/sound/pci/als300.c
+++ b/sound/pci/als300.c
@@ -664,7 +664,7 @@ static int snd_als300_create(struct snd_card *card,
                return -EBUSY;
        }
        chip->irq = pci->irq;
-
+       card->sync_irq = chip->irq;
 
        snd_als300_init(chip);