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esp32: handle MIC_GAIN_MIN and MIC_GAIN_MAX in es8388_set_mic_gain, set gain for both channels

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This commit is contained in:
Matthias Ringwald 2021-12-28 18:41:19 +01:00
parent 559544deb6
commit aaf84b48fb
1 changed files with 7 additions and 1 deletions
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8
port/esp32/components/btstack/es8388.c
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@ -335,9 +335,15 @@ int es8388_set_adc_input(es_codec_adc_input_t input)
int es8388_set_mic_gain(es_codec_mic_gain_t gain)
{
if (gain == MIC_GAIN_MIN){
gain = MIC_GAIN_0DB;
}
if (gain == MIC_GAIN_MAX){
gain = MIC_GAIN_24DB;
}
int res, gain_n;
gain_n = (int)gain / 3;
res = es_write_reg(ES8388_ADDR, ES8388_ADCCONTROL1, gain_n); //MIC PGA
res = es_write_reg(ES8388_ADDR, ES8388_ADCCONTROL1, (gain_n << 4) | gain_n); //MIC PGA
return res;
}