BT headset with Qtopia

[Joerg Reisenweber]

Am Do  24. Juli 2008 schrieb Al Johnson:
> On Wednesday 23 July 2008, Lorn Potter wrote:
> > Al Johnson wrote:
> > > On Wednesday 23 July 2008, Daniel Aeberli wrote:
> > >> Al Johnson a écrit :
> > >>> On Wednesday 23 July 2008, Daniel Aeberli wrote:
> > >>>> Al Johnson a écrit :
> > >>>>> On Tuesday 22 July 2008, Daniel Aeberli wrote:
> > >>>>>> To add more detail.
> > >>>>>>
> > >>>>>> Once I pair the headset I have two options
> > >>>>>> Headset or hands free.
> > >>>>>>
> > >>>>>> With headset nothing happens not interaction no sound.
> > >>>>>>
> > >>>>>> With hands free I can pick up and hang up calls but have no sound.
> > >>>>>> In addition switching back to handset or speaker does not restore
> > >>>>>> sound.
> > >>>>>>
> > >>>>>> Anyone got any ideas?
> > >>>>>
> > >>>>> What have you done with the mixer settings? AFAIK none of the
> > >>>>> gsmwhatever.state files route sound via the bluetooth interface. I
> > >>>>> don't have a bluetooth headset so can't check.
> > >>>>
> > >>>> Well I have not done anything with the mixer yet, I don't know what
> > >>>> channel I should look at in the state file.
> > >>>
> > >>> Theres a state file linked from the wiki that should be a good 
starting
> > >>> point.
> > >>> 
http://wiki.openmoko.org/wiki/Neo_1973_audio_subsystem#using_Bluetooth_
> > >>>he adset_with_GSM
> > >>
> > >> well I could not find gsmbuetooth.state file, you shure Qtopia uses
> > >> them. The only .state files I could find are in
> > >> usr/share/openmoko/scenario/ I'm checking gsmheadset.state now.
> > >
> > > I've not tried Qtopia yet, so I'm not certain it uses them, but as you
> > > say they're provided in the Qtopia image it seems quite likely. If you
> > > start a call then restore the gsmbluetooth.state linked from the wiki
> > > page you should find out whether it works at all.
> >
> > Qtopia does use these. I use a base openmoko rootfs, which does not
> > include any bluetooth audio state files at this time, for the Freerunner.
> 
> Does Qtopia attempt to use a particular state file if a bluetooth audio 
device 
> is present? If not I suppose making gsmhandset.state a symlink to either 
> gsmrealhandset.state or gsmbluetoothheadset.state might do, set manually 
when 
> connecting to the headset.
> 
> Another option might be to set gsmhandset.state to route audio to and from 
> both the handset earpiece/mic and the bluetooth device. It's not ideal but 
> doesn't need manual intervention every time you add/remove the headset.

TO both might work, FROM both isn't what you want. Think about mixing the 
speech from one with noise from the other??
Linking might be a problem, because it's not clear when those statefiles are 
loaded to mixer, for sure not on mere change of link.

/jOERG
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