ALSA: pdaudiocf: Support PCM sync_stop

The driver invokes snd_pcm_period_elapsed() simply from the threaded
interrupt handler.  Set card->sync_irq for enabling the missing
sync_stop PCM operation.

Link: https://lore.kernel.org/r/20191210063454.31603-54-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index 022db04..eed2d60 100644 (file)
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -224,6 +224,7 @@ static int pdacf_config(struct pcmcia_device *link)
                                        link->irq) < 0)
                goto failed;
 
+       pdacf->card->sync_irq = link->irq;
        return 0;
 
  failed: