struct regmap *regmap;
struct device *dev;
- int micbias_vg;
+ bool micbias_vg;
unsigned int dai_fmt;
unsigned int tdm_delay;
return ret;
}
+static void adcx140_pwr_ctrl(struct adcx140_priv *adcx140, bool power_state)
+{
+ int pwr_ctrl = 0;
+
+ if (power_state)
+ pwr_ctrl = ADCX140_PWR_CFG_ADC_PDZ | ADCX140_PWR_CFG_PLL_PDZ;
+
+ if (adcx140->micbias_vg && power_state)
+ pwr_ctrl |= ADCX140_PWR_CFG_BIAS_PDZ;
+
+ regmap_update_bits(adcx140->regmap, ADCX140_PWR_CFG,
+ ADCX140_PWR_CTRL_MSK, pwr_ctrl);
+}
+
static int adcx140_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
+ struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
u8 data = 0;
switch (params_width(params)) {
return -EINVAL;
}
+ adcx140_pwr_ctrl(adcx140, false);
+
snd_soc_component_update_bits(component, ADCX140_ASI_CFG0,
ADCX140_WORD_LEN_MSK, data);
+ adcx140_pwr_ctrl(adcx140, true);
+
return 0;
}
adcx140->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+ adcx140_pwr_ctrl(adcx140, false);
+
snd_soc_component_update_bits(component, ADCX140_ASI_CFG0,
ADCX140_FSYNCINV_BIT |
ADCX140_BCLKINV_BIT |
snd_soc_component_update_bits(component, ADCX140_ASI_CFG1,
ADCX140_TX_OFFSET_MASK, offset);
+ adcx140_pwr_ctrl(adcx140, true);
return 0;
}
ret = device_property_read_u32(adcx140->dev, "ti,mic-bias-source",
&bias_source);
- if (ret)
+ if (ret || bias_source > ADCX140_MIC_BIAS_VAL_AVDD) {
bias_source = ADCX140_MIC_BIAS_VAL_VREF;
-
- if (bias_source > ADCX140_MIC_BIAS_VAL_AVDD) {
- dev_err(adcx140->dev, "Mic Bias source value is invalid\n");
- return -EINVAL;
+ adcx140->micbias_vg = false;
+ } else {
+ adcx140->micbias_vg = true;
}
ret = device_property_read_u32(adcx140->dev, "ti,vref-source",
ADCX140_MIC_BIAS_VREF_MSK, bias_cfg);
if (ret)
dev_err(adcx140->dev, "setting MIC bias failed %d\n", ret);
+
+ adcx140_pwr_ctrl(adcx140, true);
out:
return ret;
}
enum snd_soc_bias_level level)
{
struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
- int pwr_cfg = 0;
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
case SND_SOC_BIAS_STANDBY:
- pwr_cfg = ADCX140_PWR_CFG_BIAS_PDZ | ADCX140_PWR_CFG_PLL_PDZ |
- ADCX140_PWR_CFG_ADC_PDZ;
+ adcx140_pwr_ctrl(adcx140, true);
break;
case SND_SOC_BIAS_OFF:
- pwr_cfg = 0x0;
+ adcx140_pwr_ctrl(adcx140, false);
break;
}
- return regmap_write(adcx140->regmap, ADCX140_PWR_CFG, pwr_cfg);
+ return 0;
}
static const struct snd_soc_component_driver soc_codec_driver_adcx140 = {