Re: [PATCH] toshiba_acpi: fingers off backlight if video.ko is serving this functionality

Matthew Garrett
2008-11-13T01:33:05Z

On Wed, Nov 12, 2008 at 05:41:35PM -0600, Thomas Renninger wrote:
> On Tuesday 11 November 2008 02:04:15 pm Len Brown wrote:
> > so when i apply this patch, i get fewer brightness levels.
> > I prefer to have all 8 brightness levels.
>
> The patch from Andrey is correct.
> Looks like all, the ordinary user needs, and probably the way it works on a
> plain Vista OS is there: off, battery, full level.
> You can still use the boot param for your specific needs:
> acpi_display_output=vendor

The Toshiba BIOSes I've looked at all implement the ACPI code on top of
the legacy interface. Do you have examples where that's not the case? If
not, I don't see the harm in exposing both.

--
Matthew Garrett | mjg59@srcf.ucam.org