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| author | Takashi Iwai <tiwai@suse.de> | 2019-12-10 07:34:14 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:25:44 +0100 |
| commit | d4cad99fda9bc5ba6de3a56aedb572a008d1856a (patch) | |
| tree | 6d2dffdb71351050b9422bb98328ba4f20d07c2e /sound/pci/echoaudio | |
| parent | 5e0890c1cb7dbcb9779fb664e8f3c579911c9283 (diff) | |
| download | lwn-d4cad99fda9bc5ba6de3a56aedb572a008d1856a.tar.gz lwn-d4cad99fda9bc5ba6de3a56aedb572a008d1856a.zip | |
ALSA: echoaudio: 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/20191210063454.31603-16-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/echoaudio')
| -rw-r--r-- | sound/pci/echoaudio/echoaudio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index bfc3ffffb917..a9ac9fc635aa 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -1928,6 +1928,7 @@ static int snd_echo_create(struct snd_card *card, return -EBUSY; } chip->irq = pci->irq; + card->sync_irq = chip->irq; dev_dbg(card->dev, "pci=%p irq=%d subdev=%04x Init hardware...\n", chip->pci, chip->irq, chip->pci->subsystem_device); @@ -2151,6 +2152,7 @@ static int snd_echo_suspend(struct device *dev) chip->dsp_code = NULL; free_irq(chip->irq, chip); chip->irq = -1; + chip->card->sync_irq = -1; return 0; } @@ -2204,6 +2206,7 @@ static int snd_echo_resume(struct device *dev) return -EBUSY; } chip->irq = pci->irq; + chip->card->sync_irq = chip->irq; dev_dbg(dev, "resume irq=%d\n", chip->irq); #ifdef ECHOCARD_HAS_MIDI |