what is required to support a new laptop?

[Eitan Adler]

On 24 February 2013 19:57, matt <sendtomatt at gmail.com> wrote:
> On 01/29/13 10:24, Ian Smith wrote:
>> On Tue, 29 Jan 2013 12:46:43 -0500, Eitan Adler wrote:
>>  > On 29 January 2013 12:29, Ian Smith <smithi at nimnet.asn.au> wrote:
>>  > > Ah right.  I don't suppose kldload -v shows anything useful about the
>>  > > problem loading it?  Ah, never mind, it may be obvious .. lightly
>>  > > skimming your asl.y530.gz, I recalled folks having to patch something
>>  > > for Lenovo rather than IBM OEMIDs .. hunt, hunt .. ok, here it is:
>>  > >
>>  > > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/164538
>>  >
>>  >
>>  > This is after the install of a patched acpi_ibm
>>  > [3500 root at gravity /usr/src/sys/modules/acpi ]#kldload -v acpi_ibm
>>  > Loaded acpi_ibm, id=12
>>
>> Which looks maybe successful, on the face of it? ..
>>
>>  > [5507 eitan at gravity (100)% ~ !1!]%sysctl dev.acpi_ibm
>>  > sysctl: unknown oid 'dev.acpi_ibm'
>>
>> .. but clearly wasn't.
>>
>
> The Y series doesn't have the HKEY stuff, or it's not the same. You want
> acpi_video (as does every new Lenovo, thinkpad or not).
>
> The problem is Lenovo is putting the "correct" _BCL/_BCM under "PEG"
> devices....section from your dsdt follows, temporary workaround test
> after that

...

> This would be under _SB.PCI0.PEG0.VGA
>
> Try acpi_call -p '\_SB.PCI0.PEG0.VGA.LCD._BCL'
> then
> acpi_call -p '\_SB.PCI0.PEG0.VGA.LCD._BCL' -i 50
>
> Experiment with the numbers.
>
> We need to fix acpi_video so it attaches to the correct _BCL on these
> laptops.

Unknown object type '4'

regardless of what number is passed to -i.  Same with the first call.

-- 
Eitan Adler