ALSA: trident: 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/20191210063454.31603-37-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 0e02578c2b3d6901952fbcc62053504860dc0dca..0d039eacbf0a70e536a92372402517dbc0a6ba22 100644 (file)
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -3543,6 +3543,7 @@ int snd_trident_create(struct snd_card *card,
                return -EBUSY;
        }
        trident->irq = pci->irq;
+       card->sync_irq = trident->irq;
 
        /* allocate 16k-aligned TLB for NX cards */
        trident->tlb.entries = NULL;