Re: [RFC PATCH 0/2] acpi: video: Allow forcing native backlight on non win8 laptops

[Aaron Lu <aaron.lu@intel.com>]

On 03/03/2015 03:39 PM, Hans de Goede wrote:
> Hi All,
> 
> I've long wanted to have a way for users to force native-backlight behavior as
> that makes debugging backlight problems a bit easier.

I agree.

> 
> And now a laptop has shown up which needs native backlight behavior for things
> to work, has a non win8 ready bios, and I cannot use a quirk in the vendor
> backlight driver as it implements both the acer-wmi and ideapad-laptop vendor
> interfaces and putting the same quirk in 2 places is just wrong.
> 
> So I've finally written a small patch to allow forcing native-backlight
> behavior as well as a second patch using this to add a quirk for said laptop.
> 
> For now this is just a RFC series as I'm waiting for confirmation from the
> user that this actually fixes things, but I wanted to get the discussion going
> beforehand in case anyone has any objections against the solution I've come
> up with.

See my comments for patch 1.

Thanks,
Aaron

> 
> Regards,
> 
> Hans
>