Please remember to add a category to the bottom of each page that you create.
See categories help for further details, but most will probably be [[Category:HTC ModelName]].
The sound is controlled by Philips UDA1380.
It is the chip in the upper right corner of the following image File:Xda-pictures 049.jpg
driver is in cvs, but doesn't compile. need to cut over 2.6.13 source to see if that helps.