ALSA: ali5451: 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/20191210063454.31603-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 2cf37670e9a9efdbf18dc4a890abbb894ec6cc43..9f78cf9e0b472b283c36f4428a57e8ae72537ca2 100644 (file)
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2026,6 +2026,7 @@ static int snd_ali_resources(struct snd_ali *codec)
                return -EBUSY;
        }
        codec->irq = codec->pci->irq;
+       codec->card->sync_irq = codec->irq;
        dev_dbg(codec->card->dev, "resources allocated.\n");
        return 0;
 }
@@ -2099,8 +2100,6 @@ static int snd_ali_create(struct snd_card *card,
                return -EBUSY;
        }
 
-       synchronize_irq(pci->irq);
-
        codec->synth.chmap = 0;
        codec->synth.chcnt = 0;
        codec->spdif_mask = 0;