Comment 5 for bug 1249956

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Yung Shen (kaxing) wrote : Re: [Dell Latitude E6440] Internal / external microphones are not working

A very similar issue on another Inspiron 5437 with 12.04.3 fresh install,
but with different intel audio chip [8086:0a0c].

External headset microphone through single jack will not be detected, but headphone works normally.
Also internal microphone and speaker works fine.