Re: [PATCH] acer-wmi: add video_vendor quirk for Acer Aspire E1-572

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On 01/09/2014 05:05 PM, joeyli wrote:
> 於 四,2014-01-09 於 09:11 +0100,Oleksij Rempel 提到:
>> Am 09.01.2014 08:06, schrieb joeyli:
>>> 於 一,2014-01-06 於 17:20 +0100,Oleksij Rempel 提到:
>>>>> I think Aaron's patches can fix it on E1-572. Let's wait until v3.13
>>>>> version released then look at maybe someone report issue again.
>>>>>
>>>>> Very appreciate for your patch.
>>>>>
>>>>> Joey Lee
>>>>>
>>>>
>>>> Hi Joey,
>>>>
>>>> i have access to this hardware for next two weeks. Theoretically this
>>>> kernel should have patches you was talking about:
>>>> http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2014-01-06-trusty/
>>>>
>>>> it works with video.use_native_backlight=1.
>>>>
>>>> If you need more testing, you have two weeks ;)
>>>>
>>>> -- 
>>>> Regards,
>>>> Oleksij
>>>>
>>>
>>> Thanks for your testing, then I think just use
>>> video.use_native_backlight to fix issue on Aspire E1-572. Don't need add
>>> quirk to acer-wmi driver.
>>
>> You mean editing grub and adding kernel option?
> 
> Good point!
> 
> Looks we need add Aspire E1-572 to the video_dmi_table in
> drivers/acpi/video.c, like:
> http://lists.freedesktop.org/archives/dri-devel/2013-November/049427.html
> 
> But this patch doesn't in mainline. 
> 
> Do you want send a patch to Aaron Lu for add Aspire E1-572 to list? or
> maybe we can ping Aaron to direct add it.

Since it is shipped with Win8, I think the following patch should take
care of it:
[PATCH] ACPI / video: Use native backlight control interface by default
http://www.spinics.net/lists/linux-acpi/msg47755.html

Last time Daniel seems to agree to merge it for test purpose, but I
didn't see it get merged somewhere yet.

Thanks,
Aaron
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