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Diffstat (limited to 'sound/soc/codecs/nau8821.c')
-rw-r--r--sound/soc/codecs/nau8821.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/sound/soc/codecs/nau8821.c b/sound/soc/codecs/nau8821.c
index 012e347e6391..de5c4db05c8f 100644
--- a/sound/soc/codecs/nau8821.c
+++ b/sound/soc/codecs/nau8821.c
@@ -511,13 +511,9 @@ static int nau8821_left_adc_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- msleep(125);
- regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL,
- NAU8821_EN_ADCL, NAU8821_EN_ADCL);
+ msleep(nau8821->adc_delay);
break;
case SND_SOC_DAPM_POST_PMD:
- regmap_update_bits(nau8821->regmap,
- NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCL, 0);
break;
default:
return -EINVAL;
@@ -535,13 +531,9 @@ static int nau8821_right_adc_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- msleep(125);
- regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL,
- NAU8821_EN_ADCR, NAU8821_EN_ADCR);
+ msleep(nau8821->adc_delay);
break;
case SND_SOC_DAPM_POST_PMD:
- regmap_update_bits(nau8821->regmap,
- NAU8821_R01_ENA_CTRL, NAU8821_EN_ADCR, 0);
break;
default:
return -EINVAL;
@@ -1697,6 +1689,7 @@ static void nau8821_print_device_properties(struct nau8821 *nau8821)
dev_dbg(dev, "dmic-clk-threshold: %d\n",
nau8821->dmic_clk_threshold);
dev_dbg(dev, "key_enable: %d\n", nau8821->key_enable);
+ dev_dbg(dev, "adc-delay-ms: %d\n", nau8821->adc_delay);
}
static int nau8821_read_device_properties(struct device *dev,
@@ -1742,6 +1735,12 @@ static int nau8821_read_device_properties(struct device *dev,
&nau8821->dmic_slew_rate);
if (ret)
nau8821->dmic_slew_rate = 0;
+ ret = device_property_read_u32(dev, "nuvoton,adc-delay-ms",
+ &nau8821->adc_delay);
+ if (ret)
+ nau8821->adc_delay = 125;
+ if (nau8821->adc_delay < 125 || nau8821->adc_delay > 500)
+ dev_warn(dev, "Please set the suitable delay time!\n");
return 0;
}
@@ -1923,7 +1922,7 @@ static int nau8821_i2c_probe(struct i2c_client *i2c)
}
static const struct i2c_device_id nau8821_i2c_ids[] = {
- { "nau8821", 0 },
+ { "nau8821" },
{ }
};
MODULE_DEVICE_TABLE(i2c, nau8821_i2c_ids);