From mboxrd@z Thu Jan  1 00:00:00 1970
From: Aaron Lu <aaron.lu@intel.com>
Subject: Re: [RFC PATCH 0/2] acpi: video: Allow forcing native backlight on
 non win8 laptops
Date: Tue, 03 Mar 2015 16:25:48 +0800
Message-ID: <54F5700C.8050200@intel.com>
References: <1425368350-4028-1-git-send-email-hdegoede@redhat.com>
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To: Hans de Goede <hdegoede@redhat.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Zhang Rui <rui.zhang@intel.com>, linux-acpi@vger.kernel.org

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
>