ALSA: ice1724: 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, as well as removing the superfluous synchronize_irq()
call.

Link: https://lore.kernel.org/r/20191210063454.31603-24-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index d5590a82e7fd4a6a91ebb113cc5f8f546f34f92b..14e4da08adfd2dddc447a5ef4ad3d63f4a1b7073 100644 (file)
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -2534,7 +2534,6 @@ static int snd_vt1724_create(struct snd_card *card,
        ice->irq = -1;
        pci_set_master(pci);
        snd_vt1724_proc_init(ice);
-       synchronize_irq(pci->irq);
 
        card->private_data = ice;
 
@@ -2555,6 +2554,7 @@ static int snd_vt1724_create(struct snd_card *card,
        }
 
        ice->irq = pci->irq;
+       card->sync_irq = ice->irq;
 
        snd_vt1724_chip_reset(ice);
        if (snd_vt1724_read_eeprom(ice, modelname) < 0) {