On Mon, 2007-10-15 at 18:45 +0200, Thomas Renninger wrote:
> Store video capabilities of BIOS globally at ACPI parse time and export it.
> 
> This is for vendor specific vs video driver so that they can distinguish who
> should take care of video/brightness control.
> The bits are chosen in a way that video can handle the ability gracefully
> if all the checked functions are there...
> 
> Vendor specific modules must check on that bits and take their hands off
> brightness/video control when set, as they are then served by the video
> driver.
> 
> This hasn't been tested yet. It's more a proposal whether this is the way
> to go...
> Would be great if someone could give it a test if accepted, I will test
> this also as soon as some positive feedback is popping up.
> 
> + success:
> +     acpi_walk_namespace(ACPI_TYPE_METHOD, device->handle, ACPI_UINT32_MAX,
> +                         acpi_brighntess_cap_match, NULL, NULL);
This has been tested now and and it works fine if ACPI_TYPE_METHOD is
replaced with ACPI_TYPE_DEVICE.
Oh, Len was not in CC on the original post..:
Please tell me if you like to take it and if, whether you replace this
METHOD <-> DEVICE manually or if you like to have it reposted.

Thanks,

   Thomas


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