Actually, been struggling a little with the mixer code on the driver, but worked out what was wrong (the documentation referred to the api in the alsa-driver tree which is somewhat ahead of the code in the kernel).
FOAF updates: Trust rankings are now exported, making the data available to other users and websites. An external FOAF URI has been added, allowing users to link to an additional FOAF file.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!