[alsa-devel] [PATCH 5/8] ASoC: tegra: set edge mode for TDM correctly

[Ben Dooks]

In TDM, use the negative edge to drive data and the positive edge to sample
data.

Signed-off-by: Ben Dooks <ben.dooks at codethink.co.uk>
---
 sound/soc/tegra/tegra30_i2s.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index 4222839b63bd..d75ce12fe177 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -117,6 +117,8 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai,
 	}
 
 	pm_runtime_get_sync(dai->dev);
+	regmap_update_bits(i2s->regmap, TEGRA30_I2S_CH_CTRL_EGDE_CTRL_MASK,
+			   i2s->is_tdm ? TEGRA30_I2S_CH_CTRL_EGDE_CTRL_NEG_EDGE : 0);
 	regmap_update_bits(i2s->regmap, TEGRA30_I2S_CTRL, mask, val);
 	pm_runtime_put(dai->dev);
 
-- 
2.23.0