Re: [PATCH 2.6.18-mm2] acpi: add backlight support to the sony_acpi driver

Matt Domsch
2006-10-11T03:02:30Z

On Tue, Oct 10, 2006 at 10:26:15PM +0100, Matthew Garrett wrote:
> On Tue, Oct 10, 2006 at 10:32:46PM +0800, Yu Luming wrote:
>
> > >From my understanding, a cute userspace App shouldn't have this kind
> > of logic:
>
> (snip switching on hardware type)
>
> > It should be:
> > just write/read file in /sys/class/backlight ,....
>
> Yup, but to do that on Dell hardware is basically impossible. It'd be
> nice if they implemented the ACPI video extension properly for future
> hardware.

Yes, our BIOS teams are looking to do exactly that. I wouldn't expect
such a change to be propogated back to earlier released systems though.

--
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com