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ASoC: rockchip: i2s: set TDL and RDL to 16 samples
Set Transmit Data Level(TDL) and Receive Data Level(RDL) to 16 samples. Without this setting, the TDL is default to be 0x00 (means 0 sample), and the RDL is default to be 0x1f (means 32 samples). Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -247,6 +247,10 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream,
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regmap_update_bits(i2s->regmap, I2S_TXCR, I2S_TXCR_VDW_MASK, val);
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regmap_update_bits(i2s->regmap, I2S_RXCR, I2S_RXCR_VDW_MASK, val);
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regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK,
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I2S_DMACR_TDL(16));
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regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK,
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I2S_DMACR_RDL(16));
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return 0;
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}
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