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ASoC: rockchip-i2s: add dma data to snd_soc_dai

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Add playback/capture dma data to snd_soc_dai.
Test on RK3288 with max98090.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jianqun 2014-09-13 08:41:38 +08:00 committed by Mark Brown
parent 38306afc10
commit 3b40a80216
1 changed files with 13 additions and 10 deletions
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23
sound/soc/rockchip/rockchip_i2s.c
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@ -243,16 +243,6 @@ 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);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dai->playback_dma_data = &i2s->playback_dma_data;
regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK,
I2S_DMACR_TDL(1) | I2S_DMACR_TDE_ENABLE);
} else {
dai->capture_dma_data = &i2s->capture_dma_data;
regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK,
I2S_DMACR_RDL(1) | I2S_DMACR_RDE_ENABLE);
}
return 0;
}
@ -300,6 +290,16 @@ static int rockchip_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id,
return ret;
}
static int rockchip_i2s_dai_probe(struct snd_soc_dai *dai)
{
struct rk_i2s_dev *i2s = snd_soc_dai_get_drvdata(dai);
dai->capture_dma_data = &i2s->capture_dma_data;
dai->playback_dma_data = &i2s->playback_dma_data;
return 0;
}
static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = {
.hw_params = rockchip_i2s_hw_params,
.set_sysclk = rockchip_i2s_set_sysclk,
@ -308,7 +308,9 @@ static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = {
};
static struct snd_soc_dai_driver rockchip_i2s_dai = {
.probe = rockchip_i2s_dai_probe,
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_192000,
@ -318,6 +320,7 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = {
SNDRV_PCM_FMTBIT_S24_LE),
},
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,