ALSA: gus: 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/20191210063454.31603-43-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c
index af6b4d8..9f94b5f 100644
--- a/sound/isa/gus/gus_main.c
+++ b/sound/isa/gus/gus_main.c
@@ -181,6 +181,7 @@ int snd_gus_create(struct snd_card *card,
return -EBUSY;
}
gus->gf1.irq = irq;
+ card->sync_irq = irq;
if (request_dma(dma1, "GUS - 1")) {
snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
snd_gus_free(gus);
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
index 53eca20..efe5766 100644
--- a/sound/isa/gus/gusmax.c
+++ b/sound/isa/gus/gusmax.c
@@ -282,7 +282,8 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
goto _err;
}
maxcard->irq = xirq;
-
+ card->sync_irq = maxcard->irq;
+
err = snd_wss_create(card,
gus->gf1.port + 0x10c, -1, xirq,
xdma2 < 0 ? xdma1 : xdma2, xdma1,
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index bc006dc..5cd4aa4 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -667,6 +667,7 @@ static int snd_interwave_probe(struct snd_card *card, int dev)
return -EBUSY;
}
iwcard->irq = xirq;
+ card->sync_irq = iwcard->irq;
err = snd_wss_create(card,
gus->gf1.port + 0x10c, -1, xirq,
