Dell acpi_video patch

[John Baldwin]

On Saturday, October 20, 2012 9:37:40 am Alberto Villa wrote:
> On Sat, Oct 20, 2012 at 2:40 PM, John Baldwin <jhb at freebsd.org> wrote:
> > Oh, no, I hadn't been able to tell from your ASL that bit 16 was set (it's
> > not that easy to guess as it computes the ID's dynamically at runtime.
> 
> I see.
> 
> > I was merely guessing that since I had changed the matching logic to look at
> > bit 31 that that was the cause,
> 
> Oh, no, it wasn't working before too, it just changed from "crt" to
> "out" because of your change (which makes sense).
> 
> > but it wasn't the matching logic that was
> > different (comparing _ADR to _DOD), but the logic that parsed _DOD is what
> > treated your laptop differently.
> 
> So, just to be sure, you don't need any other information from me,
> right? I don't think, by the way, that a list of known non-standard
> configurations is worth being added to the code for this issue.

Largely correct.  However, we could add support for vendor-specific IDs if
someone wanted to maintain it.

-- 
John Baldwin