sound driver for Dell Latitude CP (and other laptops)

Is it possible to get the sound card working on laptops?

What I have here is a Dell Latitude CP, but the docs for the hardware have been lost or misplaced. I have absolutely no idea what sort of sound card it has :-(

The windoze setup on it mentions the following:
Crystal PnP Audio System CODEC
YAMAHA SXG50C Driver
WaveStream Music Synthesizer

I've tried several things to get the sound working on it, but to no avail. The Crystal chip mentioned with the RedHat sound config utility (v0.27 with RH5.2) hasn't been successful.

I also have (not with me at the moment) an older 486-100 Osborne that I'd also like to get the sound working on with linux.

Any hits would be appreciated.

Cheers
Tony
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Tony Nugent <[email protected]> <[email protected]>
Computer Support Officer Faculty of Science
University of Southern Queensland, Toowoomba Oueensland Australia
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I have a Dell Latitude CPi; Based on what you said I assume the audio is the same. I'm ucrrently using ALSA with the following configuration:
add to /etc/conf.modules:
alias char-major-14 snd
alias snd-minor-oss-0 snd-card-cs4232
alias snd-minor-oss-3 snd-pcm1-oss
alias snd-minor-oss-4 snd-pcm1-oss
alias snd-minor-oss-5 snd-pcm1-oss
alias snd-minor-oss-12 snd-pcm1-oss
alias snd-card-0 snd-card-cs4232
options snd snd_major snd_cards_limit=1
options snd-card-cs4232 snd_index=1 snd_port=0x530 snd_irq=5 snd_dma1=1 snd_dma2=0

Then:
modprobe snd-card-0

Then go; You will need to unmute the sound card before you can use it; cat /proc/asound/0/mixer0 | sed s/mute// > /proc/asound/0/mixer0

Note that I needed to configure e.g. the parallel port from within windows to be not ECPP or something like that; Basically, if Windows can do duplex audio, this will work, otherwise there are 3 things you must pick from, which are ECPP, duplex audio, and something else, and I don't remember how I discovered what was what.

-D

Nil, look at http://alsa.jcu.cz

-D

I'm using a RedHat 5.2 installation, with it's (original) pre-0.7 2.0.36 kernel.

None of this worked :-(

I don't have any modules called snd-<anything> but I do have a module called cs4232.o

Which I tried. I had to pre-load some other modules, then insmod the cs4232 driver giving it io/dma/dma2/irq values.

Thanks to all the clues... it worked! :-)

Many thanks for this invaluable help in pointing me in the right direction... it's very nice to have some noise come out of this neat little box :-)

I can only assume that this "ALSA" you mention is the OSS driver?

BTW, I've done all this from the command line. When I get /etc/conf.modules tweaked rignt to get it working, I'll post the results here.

Surely this would be useful in an FAQ or some sort of home page devoted to configuring laptops? (Can someone point me in a good direction to post this info to?)

Cheers
Tony
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Tony Nugent <[email protected]> <[email protected]>
Computer Systems Officer Faculty of Science
University of Southern Queensland, Toowoomba Oueensland Australia
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