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ASoC: rockchip: rk817-codec: clear status of ADC sdo and keeping low level during stop stream

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Change-Id: I9284c7dce0c5f3e42b8fdea5d2be273c578735f9
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
This commit is contained in:
Xing Zheng
2022-09-23 21:36:27 +08:00
committed by Tao Huang
parent 5b35799d57
commit 17af9557ab
2 changed files with 23 additions and 0 deletions
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20
sound/soc/codecs/rk817_codec.c
View File

@ -1036,11 +1036,31 @@ static int rk817_digital_mute(struct snd_soc_dai *dai, int mute)
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static void rk817_codec_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
/**
* Note: The following configurations will take effect when i2s bclk
* is working, and we just need to handle the part of ADC that is
* output to SoC.
*/
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
I2STX_CKE_EN, I2STX_CKE_EN);
usleep_range(1000, 1100);
snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
I2STX_CKE_EN, I2STX_CKE_DIS);
}
}
static struct snd_soc_dai_ops rk817_dai_ops = {
.hw_params = rk817_hw_params,
.set_fmt = rk817_set_dai_fmt,
.set_sysclk = rk817_set_dai_sysclk,
.digital_mute = rk817_digital_mute,
.shutdown = rk817_codec_shutdown,
};
static struct snd_soc_dai_driver rk817_dai[] = {

3
sound/soc/codecs/rk817_codec.h
View File

@ -83,6 +83,9 @@
#define ADC_DIG_CLK_DIS (0x0 << 4)
#define ADC_DIG_CLK_EN (0xf << 4)
#define I2STX_CKE_EN (0x1 << 6)
#define I2STX_CKE_DIS (0x0 << 6)
#define DAC_DIG_CLK_MASK (0xf << 0)
#define DAC_DIG_CLK_SFT 0
#define DAC_DIG_CLK_DIS (0x0 << 0)