ALSA: vxpocket: 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/20191210063454.31603-55-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c
index 4e08863c304547b175ce6b879d29069829f1098d..f924d8819f9d98d5289a7650aa7b185fd700382d 100644 (file)
--- a/sound/pcmcia/vx/vxpocket.c
+++ b/sound/pcmcia/vx/vxpocket.c
@@ -185,6 +185,7 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq
                card->shortname, port, irq);
 
        chip->irq = irq;
+       card->sync_irq = chip->irq;
 
        if ((err = snd_vx_setup_firmware(chip)) < 0)
                return err;