The driver invokes snd_pcm_period_elapsed() simply from the interrupt
handler. Set card->sync_irq for enabling the missing sync_stop PCM
operation. It's cleared and reset dynamically at IRQ re-acquiring for
the PM resume, too.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/pci/nm256/nm256.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 02767f33deb7..ac194485aa78 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -460,6 +460,7 @@ static int snd_nm256_acquire_irq(struct nm256 *chip)
return -EBUSY;
}
chip->irq = chip->pci->irq;
+ chip->card->sync_irq = chip->irq;
}
chip->irq_acks++;
mutex_unlock(&chip->irq_mutex);
@@ -475,6 +476,7 @@ static void snd_nm256_release_irq(struct nm256 *chip)
if (chip->irq_acks == 0 && chip->irq >= 0) {
free_irq(chip->irq, chip);
chip->irq = -1;
+ chip->card->sync_irq = -1;
}
mutex_unlock(&chip->irq_mutex);
}
--
2.16.4
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