Dell acpi_video patch

[Alberto Villa]

On Fri, Oct 12, 2012 at 4:06 PM, John Baldwin <jhb at freebsd.org> wrote:
> I think this is correct, but in we need to do more to properly handle that
> flag (DOD_DEVID_SCHEME_STD).  Specifically, we shouldn't trust any bits in the
> device ID unless that bit is set (except for the special case of
> DOD_DEVID_LCD) as per my reading of the _DOD description in the ACPI 3.0b
> spec.  I think this larger patch will do that while also fixing your case:

By the way, it looks like also 0x0100 and 0x0200 should be handled as
legacy values:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=include/acpi/video.h;h=61109f2609fc3ee446ec43e242875b28ae719344;hb=HEAD

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=drivers/acpi/video.c;h=f94d4c818fc74dc9a076e8f67fe98d7bc6620a61;hb=HEAD
-- 
Alberto Villa, FreeBSD committer <avilla at FreeBSD.org>
http://people.FreeBSD.org/~avilla