Echo issue on OM2008.08 potentially solved

Lorn Potter lpotter at
Fri Aug 29 12:31:23 CEST 2008

roguemoko at wrote:
> Hi Florian,
> Florian Hackenberger wrote:
>> I'll cook up a patch to Qtopia-X11, but for the impatient here are some 
>> instructions for installing gsm0710muxd on Om2008.08 and injecting the 
> Will this patch make it upstream? 

It will be in 4.4 yes. I haven't yet put it in 4.3.x snapshots.

> I don't quite know the who's who of 
> the openmoko world yet.
> Thanks for finding something to address the problem at such a low level, 
> effort greatly appreciated. It will save us all a lot of extra fiddling 
> and you've probably opened the door to more people utilising the facility.
> As a curiosity, do you know if the problem is inherent in the chip 
> design/gta02 or is this fix possibly covering a misconfiguration 
> somewhere? I only ask as it seems the feedback (routing?) is internal 
> and I'd expect cancellation techniques would not normally need to be 
> employed for the handset scenario.
> Thanks again.
> Sarton
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Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company

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