Questions about the usability of GTA02

Al Johnson openmoko at
Tue Feb 10 12:25:25 CET 2009

On Tuesday 10 February 2009, Erland Lewin wrote:
> 2009/1/31 Tschaka <Stuff4tschaka at>
> > 2) Calls
> My main problem with the FR at the moment is that the volume in the
> built-in earpiece, and wired headset as well are way too low. It works in a
> quiet indoor environment, but on a busy street I can hardly hear that
> someone is talking on the phone at all, and in a room with other people
> talking in the background, it is difficult to hear the person at the other
> end.
> Does anyone else have this problem? I'm surprised it isn't discussed more.

Volume is subjectively comparable to that on my SE K700i. Both have volume 
controls, and both manage a level I'm happy with, even before messing with 

> This prevents me from using the FR as a daily phone, because I need to be
> able to answer calls even when I'm out and about.
> My impression is that this is a hardware limitation, and that even with max
> volume from the GSM chip to the audio codec (CLVL=255), and maximum Alsa
> volumes, the volume won't be high enough from the earpiece.

Either we have a different expectation of required volume or your hardware is 
different from mine, assuming you adjusted the mixer settings correctly. 

> I think the
> only way around this is to use a Bluetooth headset, but I don't think the
> Bluetooth headset profile works in the version of the bluetooth stack
> (bluez-3) that's on the Freerunner now.

I'm sure Angus Ainslie reported he had it working some time ago with bluez-3. 
I thought it was just the A2DP part that may require bluez-4. I haven't got a 
bluetooth headset so I haven't tried either though.

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