[Bug 163] New: Audio Profile Management

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Sat Feb 3 18:16:54 CET 2007


           Summary: Audio Profile Management
           Product: OpenMoko
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: openmoko-libs
        AssignedTo: mickey at vanille-media.de
        ReportedBy: lg at opensource.wolfsonmicro.com

There needs to be audio profile management (possibly part of libmokocore) that
will switch the audio profile depending on the active phone profile. This will
require loading a new audio state file with alsactl to change the neo1973 audio
routing to match the new profile.

Audio profile change can sometimes cause the volume mixers to change. e.g. the
volume controls for headset and handset volumes may be different alsa controls.
The audio profile manager must be aware of this and notify the mixer GUI
application of any changes when the profile is changed.  

The audio manager will also be required to start and stop the BT <--> WM8753
voice interface. This can be started by a couple of alsa-lib calls or by running
a small program. e.g.

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