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| author | Jianqun Xu <jay.xu@rock-chips.com> | 2014-12-24 10:37:01 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-12-24 13:43:40 +0100 |
| commit | bba1431211e6fdc56680d98d2bdabaab1fd13b79 (patch) | |
| tree | 69315f8545ec2e035fbebe70e1f14f78a88d8be8 | |
| parent | Linux 3.19-rc1 (diff) | |
| download | linux-bba1431211e6fdc56680d98d2bdabaab1fd13b79.tar.xz linux-bba1431211e6fdc56680d98d2bdabaab1fd13b79.zip | |
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>
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 26ec5117b35c..dac0002aad6a 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -247,6 +247,10 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(i2s->regmap, I2S_TXCR, I2S_TXCR_VDW_MASK, val); regmap_update_bits(i2s->regmap, I2S_RXCR, I2S_RXCR_VDW_MASK, val); + regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, + I2S_DMACR_TDL(16)); + regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, + I2S_DMACR_RDL(16)); return 0; } |