[Gta04-owner] Turning on microphone produces loud audio feedback

[Dr. H. Nikolaus Schaller]

Am 27.11.2011 um 10:53 schrieb Radek Polak:

> On Sunday 27 of November 2011 00:02:12 Radek Polak wrote:
> 
>> Hi,
>> always when i try to turn on microphone, e.g. with
>> 
>> amixer set 'Analog Left Main Mic' cap
>> 
>> it starts giving very loud audio feedback. I suppose that for GSM call i
>> need to have both earpiece and microphone turned on. Is there a way how to
>> avoid this feedback? Or could someone give steps how to make GSM call with
>> working input and output at the same time?
> 
> I have lowered the volumes in alsamixer and the feedback is gone now. It seems 

Looks as if the microphone default is too sensitive :)

> that the sound for gsm calls in now also working quite nice.

Great work!
Is there already some download link for a SD image?

Nikolaus