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TLV320AIC3104: Register 15: Left-ADC PGA Gain Control Register

Part Number: TLV320AIC3104

I attempted to adjust the "Left-ADC PGA gain" to 20dB using an ADB command to match my MIC voltage with the codec ADC input's full-scale voltage. However, I noticed that when I set the gain below 36dB, the recorded file indicates that the sound is muted.