Since no experts have chimed in. I don't know the answer to your question,
but I had a hell of a time getting microphone going in Ubuntu last summer
with the Intel motherboard integrated sound: here are some links that helped
me.
https://help.ubuntu.com/community/HdaIntelSoundHowto
https://answer
It never has been outstanding. At any rate, support for this device has been
included in the 2.6.31 Linux kernel, which is installed by Ubuntu Karmic among
other distros. However, there still does not seem to be support for microphone
input. Is there a way to overcome this limitation, and use a
