what is required to support a new laptop?

[Eitan Adler]

On 24 February 2013 20:16, matt <sendtomatt at gmail.com> wrote:
> I made a typo :( Change the second call from _BCL to _BCM.
> The first call _BCL would "trapdoor" a thinkpad, and it returns an
> unknown object type 4. Acpi call has some formatting options to display
> this "object", it's usually (or should be) a list of valid backlight
> levels. The second call should set the value. _BQC will return the
> current value. If that does not work, also try replacing PEG0 with PEG1.

[5398 root at gravity (100)% ...ts/sysutils/acpi_call !5!]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BQC' -o o
0
[5399 root at gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG0.VGA.LCD._BQC' -o o
0

[5389 root at gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BCM' -i 50
50
[5390 root at gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BCM' -i 20
20

but nothing visible changes.


This is better than before (I think).  Thanks!  I hope this could work
in the end.

-- 
Eitan Adler