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ASoC: nau8825: Add delay control for input path

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Change the original fixed delay to the assignment from property. It will make
more flexible to different platforms for avoiding pop noise at the beginning
of recording.

Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20230414103941.39566-2-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
David Lin 2023-04-14 18:39:44 +08:00 committed by Mark Brown
parent c26c5921e1
commit fc0b096c92
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 8 additions and 1 deletions
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8
sound/soc/codecs/nau8825.c
View File

@ -919,7 +919,7 @@ static int nau8825_adc_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
msleep(125);
msleep(nau8825->adc_delay);
regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,
NAU8825_ENABLE_ADC, NAU8825_ENABLE_ADC);
break;
@ -2752,6 +2752,7 @@ static void nau8825_print_device_properties(struct nau8825 *nau8825)
dev_dbg(dev, "crosstalk-enable: %d\n",
nau8825->xtalk_enable);
dev_dbg(dev, "adcout-drive-strong: %d\n", nau8825->adcout_ds);
dev_dbg(dev, "adc-delay-ms: %d\n", nau8825->adc_delay);
}
static int nau8825_read_device_properties(struct device *dev,
@ -2819,6 +2820,11 @@ static int nau8825_read_device_properties(struct device *dev,
nau8825->xtalk_enable = device_property_read_bool(dev,
"nuvoton,crosstalk-enable");
nau8825->adcout_ds = device_property_read_bool(dev, "nuvoton,adcout-drive-strong");
ret = device_property_read_u32(dev, "nuvoton,adc-delay-ms", &nau8825->adc_delay);
if (ret)
nau8825->adc_delay = 125;
if (nau8825->adc_delay < 125 && nau8825->adc_delay > 500)
dev_warn(dev, "Please set the suitable delay time!\n");
nau8825->mclk = devm_clk_get(dev, "mclk");
if (PTR_ERR(nau8825->mclk) == -EPROBE_DEFER) {

1
sound/soc/codecs/nau8825.h
View File

@ -517,6 +517,7 @@ struct nau8825 {
int xtalk_enable;
bool xtalk_baktab_initialized; /* True if initialized. */
bool adcout_ds;
int adc_delay;
};
int nau8825_enable_jack_detect(struct snd_soc_component *component,