set value to 128 bytes for legacy HDAudio, can be overridden as needed (on a per-stream basis) for enhanced hardware with more buffering capabilities
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/pci/hda/hda_controller.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 9444559..958c8f1 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -391,6 +391,7 @@ static struct snd_pcm_hardware azx_pcm_hw = { .periods_min = 2, .periods_max = AZX_MAX_FRAG, .fifo_size = 0, + .max_dma_burst = 128 /* default value for all legacy HDAudio controllers, override as needed */ };
static int azx_pcm_open(struct snd_pcm_substream *substream)