Rear MIC port not working on Desktop with Red Hat Enterprise Linux 6

Solution Verified - Updated -

Issue

  • Rear Mic port is not working on Desktop system.
  • Front Mic is working fine on same machine.
  • Not able to record sound using rear Mic port.

Environment

  • Red Hat Enterprise Linux 6.3
  • Motherboard with multiple Audio channels could see this problem.
  • Affected Motherboards observed as of now:
DH77EB INTEL
DQ77MK INTEL
DQ77CP  INTEL
H77M FOXCONN
Q77M FOXCONN
M5A78L-MLE ASUS
A55F2-M3 with A8-5500 Processor

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