linux-kernel - Re: [char-misc:char-misc-testing] warning

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Date:   Tue, 1 Nov 2016 09:34:04 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Robin van der Gracht <robin@...tonic.nl>,
        Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>
Cc:     Sean Paul <seanpaul@...omium.org>,
        Greg Kroah-Hartman <gregkh@...gle.com>,
        linux-kernel@...r.kernel.org,
        Daniel Vetter <daniel.vetter@...ll.ch>
Subject: Re: [char-misc:char-misc-testing] warning

On 11/01/16 09:02, Robin van der Gracht wrote:
> Hi Tobias,
> 
> On Tue, 1 Nov 2016 16:33:03 +0100
> Tobias Jakobi <tjakobi@...h.uni-bielefeld.de> wrote:
> 
>> Hello Robin,
>>
>> I'm afraid I can't help you with that. The series was done as a request
>> by Daniel Vetter, see here for reference:
>> http://www.spinics.net/lists/dri-devel/msg113011.html
> So.. I should contact Daniel Vetter about this..?
>  
>> I don't have any nouveau platform here.
> 
> Me neither, the warning is shown when invoking Kconfig. So when I use
> the config file supplied on my previous email, and start a build or a
> menuconfig on my (x86_64) system its showing.


The kconfig warning is in mainline now and it has nothing to do with the
new HT16K33 driver.

How is nouveau supposed to provide backlight support?
It selects FB_BACKLIGHT but FB_BACKLIGHT depends on FB, which is not
enabled in the supplied .config file.


-- 
~Randy