How to turn off handset mic leaving the headset mic on

[Enrico Zini]

Hello,

I'm working on improving audiomap[1] and since it is designed to record
voice from the headset while the handset is in the pocket, it makes
sense to disable the headset microphone to avoid recording heartbeats
and rubbing clothes.

I have tried fiddling with alsamixer for an hour or so, but I still have
not found a way to do it. What are the switches that are involved in
this?

And more broadly speaking, I am having a hard time wrapping my head
about the countless and obscure mixer switches on the FreeRunner. Is
there some howto or documentation about them?

I may have more questions like this in the future, which I could
probably easily solve by myself if I were given some useful
documentation. I tried asking google, but it didn't answer much.


Ciao,

Enrico

[1] http://www.enricozini.org/2009/osm/audiomap/
-- 
GPG key: 4096R/E7AD5568 2009-05-08 Enrico Zini <enr...@enricozini.org>

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