Sound quality in calls.

[Vasco Névoa]

Angus, we owe you a big THANKS for writing this one. :D
Just a small remark: isn't "Handset" supposed to control Mic2 (and not 
Mic1)?

Vasco.

Angus Ainslie wrote:
> On Wed, Sep 17, 2008 at 6:07 AM, Al Johnson 
> <openmoko at mazikeen.demon.co.uk <mailto:openmoko at mazikeen.demon.co.uk>> 
> wrote:
>
>     Controls affecting handset mic volume for GSM:
>     Control 48: "Mic2 Capture Volume"
>     Control 12: "Mono Sidetone Playback Volume"
>     Control 5: "Mono Playback Volume"
>
>     Controls affecting wired headset mic volume for GSM:
>     Control 49: "Mic1 Capture Volume"
>     Control 12: "Mono Sidetone Playback Volume"
>     Control 5: "Mono Playback Volume"
>
>
> I've written a python mixer to control the mic volumes for the various 
> headsets. The speaker volumes will be added when I trace their path 
> through the wolfson. It'll currently control handset, wired headset 
> and bluetooth volumes. You currently need to tell it which to control 
> as I have not found any dbus signals to tell what alsa state you are 
> currently in. The displayed vaolumes may be wrong if you start the 
> volume control before the alsa state change. One you use a control to 
> set its volume it will reflect the state of the underlying hardware.
>
> You'll need these 3 files
>
> http://handheldshell.com/python-pyalsaaudio_0.3-ml0_armv4t.ipk
> http://handheldshell.com/pymixer.py
> http://handheldshell.com/volume.desktop
>
> install pyalsaausdio and pygtk
> copy pymxer /usr/bin
> copy volume.desktop /usr/share/applications
>
> You can now control mic volume.
>
> Angus
>
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