diff options
| -rw-r--r-- | sound/pci/oxygen/oxygen_pcm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index c262049961e1..3b5ca70c9d4d 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c @@ -487,10 +487,14 @@ static int oxygen_hw_free(struct snd_pcm_substream *substream) { struct oxygen *chip = snd_pcm_substream_chip(substream); unsigned int channel = oxygen_substream_channel(substream); + unsigned int channel_mask = 1 << channel; spin_lock_irq(&chip->reg_lock); - chip->interrupt_mask &= ~(1 << channel); + chip->interrupt_mask &= ~channel_mask; oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask); + + oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); + oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); spin_unlock_irq(&chip->reg_lock); return snd_pcm_lib_free_pages(substream); |