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| author |   Takashi Iwai <tiwai@suse.de> | 2019-12-10 07:34:27 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:25:50 +0100 |
| commit | 1478eb63654b367399f79edc0734a3bda1b0324b (patch) | |
| tree | 733798eacb4950a9d6090b75a86a3552e4727865 /sound/pci/nm256/nm256.c | |
| parent | ALSA: maestro3: Support PCM sync_stop (diff) | |
| download | wireguard-linux-1478eb63654b367399f79edc0734a3bda1b0324b.tar.xz wireguard-linux-1478eb63654b367399f79edc0734a3bda1b0324b.zip | |
ALSA: nm256: 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. It's cleared and reset dynamically at IRQ re-acquiring for
the PM resume, too.
Link: https://lore.kernel.org/r/20191210063454.31603-29-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/nm256/nm256.c')
| -rw-r--r-- | sound/pci/nm256/nm256.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); } |