gma500 opregion/power init order backtrace

[Anisse Astier]

On Tue, 17 Jul 2012 22:12:42 +0100, Alan Cox <alan at linux.intel.com> wrote :

> > I'm wondering if the gma_power_init call can be moved up before
> > chip_setup is called.  Seems so, but I thought I would ping you to see
> > if you've seen this already.
> 
> Fixed in the patches that went to Linus.
Thanks for this ! I was having this 100 scale brightness issue on anther
hardware.

> 
> I don't have the ACPI backlight working on a lot of systems and don't
> know why to be honest but the native backlight should work. Of course if
> the acpi keys are plumbed into the ACPI backlight it's less useful 8)

Can't we just "wire" this to psb-bl in the driver ? There are a few
drivers in drivers/platform/x86 already sending KEY_BRIGHTNESS{UP,DOWN}
keycodes.

Regards,

Anisse