ALSA: ca0106: 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/20191210063454.31603-10-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index 9466ee9..a14e9b1 100644 (file)
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -1638,6 +1638,7 @@ static int snd_ca0106_create(int dev, struct snd_card *card,
                return -EBUSY;
        }
        chip->irq = pci->irq;
+       card->sync_irq = chip->irq;
 
        /* This stores the periods table. */
        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,