[alsa-devel] [PATCH 48/55] ALSA: wss: Support PCM sync_stop

Takashi Iwai tiwai at suse.de
Tue Dec 10 07:34:47 CET 2019


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

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/isa/wss/wss_lib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 9114e8911712..100e8b547d27 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -1811,6 +1811,7 @@ int snd_wss_create(struct snd_card *card,
 			return -EBUSY;
 		}
 	chip->irq = irq;
+	card->sync_irq = chip->irq;
 	if (!(hwshare & WSS_HWSHARE_DMA1) && request_dma(dma1, "WSS - 1")) {
 		snd_printk(KERN_ERR "wss: can't grab DMA1 %d\n", dma1);
 		snd_wss_free(chip);
-- 
2.16.4



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