BPi M1 LineIn on MCU Audio Codec functional?

[mstadl]

Armbianmonitor:

http://ix.io/2s2V

Hello,

 

i am new here and need the line in from MCU audio codec(U1-3 Pin AB20 & AB21), located wired on CSI connector(CON1 Pin 1 & 2), active.

 

Is it possible?

 

Regards

Mario