Hi Alecwh...i think it's fixed in hardy...
Take  a look here:

https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/184720
http://www.realistanew.com/2008/01/12/compiz-updates/#comment244

2008/4/4, alecwh <alecwh@gmail.com>:
Hello, thanks for answering my questions before!

Off topic (the topic being sound...), but are desktop effects working on
the Latitude D630? Last time I checked, there was a problem playing
videos with desktop enabled.

Still an issue?

Thanks a bunch!

On Mon, 2008-03-31 at 19:05 +0000, Julian Edwards wrote:
> Sound works on my Latitude D630, but the volume control is still non-
> linear.  It starts very, very quiet until you get to about 70% and then
> it SUDDENLY GETS VERY LOUD!
>
--
Alec Henriksen <alecwh@gmail.com> @ http://alecwh.com


--
[gutsy] no sound on Dell Latitude D630/D830/Precision M4300/Vostro 1500/1700/Apple Aluminium iMac/Acer TM6292 pci id 8086:284b
https://bugs.launchpad.net/bugs/131133
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