Re: ACPI C4 support

Bruno Ducrot
2004-03-01T15:28:10Z

On Sat, Feb 28, 2004 at 05:10:11PM +0100, Pavel Machek wrote:
> Hi!
>
> Thomas told me:
>
> >what about C4 - Cn states in the kernel implementation?
> >A short look into the /proc/acpi/processor/.../power file let me think
> >that only C0-C3 is supported by the kernel, even specification talks
> >about Cn states?
>
> As a first step, it would be nice if kernel at least used C0..C3 if
> the machine supports them... This should do the trick. Does it look
> okay?

No. pblk_length is 0 or 6. Not 5 nor 7 ;)

Look at http://bugzilla.kernel.org/show_bug.cgi?id=1958

Note that I don't have time to work on it by now. When the acpi video
extension will be OK, I will rework on that one unless someone else do
the work.

--
Bruno Ducrot

-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.