Commit f34a4c9dd4ca ("ALSA: hda: Enable sync-write operation as default for all controllers") enabled sync-write for all controllers and this is causing audio playback on the Tegra186 HDA device to fail. For now, disable sync-write support for Tegra to fix this.

Signed-off-by: Jon Hunter jonathanh@nvidia.com --- sound/pci/hda/hda_tegra.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 0cc5fad1af8a..5637f0129932 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -443,6 +443,7 @@ static int hda_tegra_create(struct snd_card *card, if (err < 0) return err;

+ chip->bus.core.sync_write = 0; chip->bus.core.needs_damn_long_delay = 1; chip->bus.core.aligned_mmio = 1;