HOWTO: Cirrus Logic Crystal CS4237B on Ubuntu/Fluxbox Dell Latitude Cpi D300xt
05.25.07
This tutorial shows how to install the drivers for a Crystal CS4237B on Ubuntu/Fluxbox Dell Latitude Cpi D300xt.
This tutorial is based on a ALSA user group thead here:
http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg16416.html
I have been trying at this card for a couple of weeks. I tried multiple methods and none of them seemed to work. At the same time my hacking-around left a bunch of stuff that I did not know what to do with nor did I no if I was just making the situation worse!!
I ended up with deleting the /etc/modprobe.d/alsa-base file and making a /etc/modprobe.d/alsa file:
$ sudo rm /etc/modprobe.d/alsa-base
$ sudo nano /etc/modprobe.d/alsa
This I added a bunch of stuff (options, etc) that I found and grabbed off the web. This really did nothing for me. I then decided to start over because I finally found something that worked for me and I didn

One question, please, if I may after so long a time (well, put simply the OSS driver dissappeared from the kernel).
I have the same machine, but the content of those two cat command’s returns is swapped (00:10 and 00:0f). Other than that, it is perfectly same.
Do you have acpi enabled or disabled? In the past, the sound tended to only work without acpi.
Thanks!