Comment 91 for bug 43572

I do not know how to check/ add dcdbas module. All references to it go to
yum and I have not been able to install/ start/ check it
Please help

Thanks,
Vs
On Mon, Mar 24, 2008 at 3:38 AM, Erik Andrén <email address hidden> wrote:

> Vyas,
> please make sure you have loaded the dcdbas kernel module.
>
> --
> Dell Laptops don't talk to HAL about brightness correctly
> https://bugs.launchpad.net/bugs/43572
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Hardware Abstraction Layer (HAL): Fix Released
> Status in Source Package "hal" in Ubuntu: Fix Released
> Status in Source Package "linux" in Ubuntu: Fix Released
> Status in Source Package "linux-source-2.6.22" in Ubuntu: Won't Fix
>
> Bug description:
> This was discovered in Bug #38531. It seems that Dell laptops are able to
> change the brightness settings in the Bios but this does not talk properly
> to ACPI, HAL or anything else.
>
> >From http://bugzilla.gnome.org/show_bug.cgi?id=337580 :
> "Some code needs to be written to do this - there's no ACPI method to do
> it, but
> it can be done via an SMBios call from userspace."
>
> It means that the system does not know, and cannot change, the brightness
> of the monitor.
>

--
Vyas Sanzgiri
573 202 0165
http://ejvyas.blogspot.com