[Trac #541] Internal microphone not working

[Zarro Boogs per Child]

#541: Internal microphone not working
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 Reporter:  Nat       |        Owner:  mfoster 
     Type:  defect    |       Status:  assigned
 Priority:  high      |    Milestone:  BTest-2 
Component:  hardware  |   Resolution:          
 Keywords:            |  
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Comment (by Nat):

 It appears that both the internal and external microphone are linked to
 the mic1 entry in alsamixer, however, there is a huge hum (ground loop ?)
 when using the internal microphone.  If I tap on the microphone with a
 finger I can hear it using headphones, but it doesn't work at all in
 TamTam when I try to record.

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Ticket URL: <http://dev.laptop.org/ticket/541#comment:2>
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