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PDM: fix setGain() for dfsdm #948

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Sep 2, 2024
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PDM: fix setGain() for dfsdm #948

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5 changes: 4 additions & 1 deletion libraries/PDM/src/STM32H747_dfsdm/audio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -391,7 +391,10 @@ int py_audio_init(size_t channels, uint32_t frequency)

void py_audio_gain_set(int gain_db)
{
attenuation = 8 - gain_db;
attenuation = 8 - (gain_db / 3);
if (attenuation < 0) {
attenuation = 0;
}
}

void py_audio_deinit()
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