[PATCH][RFC] Backlight addon for dell laptops

David Zeuthen david at fubar.dk
Wed Jan 10 12:15:15 PST 2007


On Wed, 2007-01-10 at 15:07 -0500, David Zeuthen wrote:
> One serious concern I have is this
> 
> > HAL_ERROR(("Could not access the dcdbas kernel module. Please make sure it is loaded"));
> 
> What does this mean? What's the dcdbas kernel module? Does libsmbios, in
> particular setting the backlight, not work without a third-party kernel
> module on Linux? Is that module available under the GPL? If yes, is it
> upstream in Linus' kernel yet?

It's all good I think

 http://linux.dell.com/libsmbios/main/dell_drivers.html

 "These kernel drivers are included in the standard linux kernel
  starting with Linux 2.6.14."

> I've yet to test this on my two Dell laptops. They're at home.

An interesting question is whether that driver is autoloaded if it's
compiled as a module :-). I'll see what Fedora does tonight!

Thanks again.

    David




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