Symbol: AK4531_MIC_GAIN
sound/pci/ak4531_codec.c
313
AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
sound/pci/ak4531_codec.c
460
ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");