Difference between revisions of "IGEP0040HardwareRABugs"

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=== BUG FULL_05: Optional input amplifier: gain is too low ===
 
  
'''INFO:''': Gain from NFM2173 isn't enough for a MIC audio
 
 
'''WORKAROUND:''' Use PMIC MICs as a dedicated input for a JA1 connector: disable optional input amplifier, input audio switch and cirrus U81 ADC1 and ADC2:
 
 
- C704, C705 not mount
 
 
- R718, R716 not mount
 
 
- R737, R738 not mount
 
 
- R705, R708 mount
 
 
- R870, R871, R872, C889, C890 mount
 
 
- R800 mount
 
 
- R802 no mount
 
 
'''RESULT:'''
 
 
- JA1: PMIC MIC IN
 
 
- JA2-6: CIRRUS
 
 
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Latest revision as of 18:57, 6 August 2015