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Subject[PATCH] ASoC: tegra: update spdif tx_atn_lvl on hw_params()
Date
This prevents playing sound with wrong speed.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
I'm using deep sleep on my tablet and faced with this bug when played sound via
hdmi after suspend. I know that there is no deep sleep support in upstream kernel,
but will be nice to see that bug fixed.

sound/soc/tegra/tegra20_spdif.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 3ebc867..24b46f1 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -114,6 +114,10 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream,
return ret;
}

+ regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_DATA_FIFO_CSR,
+ TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK,
+ TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL);
+
return 0;
}

--
1.7.12


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