Date: Fri, 30 Jan 2015 22:17:08 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Elizabeth Myers <elizabeth@interlinked.me> Cc: freebsd-current <freebsd-current@freebsd.org>, Konstantin Belousov <kib@freebsd.org>, Justin Hibbits <jrh29@alumni.cwru.edu> Subject: Re: Questions on adding backlight support for the i915 driver Message-ID: <CAJ-Vmo=HsO9usEN2r_7EP-NvBBLUyUciX%2BQUuhT0FzRZWtONcQ@mail.gmail.com> In-Reply-To: <54CC7288.3040409@interlinked.me> References: <54C883E7.4000300@interlinked.me> <CAJ-Vmokw2FqLHMkc%2B0MDsDxChMC68KdkvO43qhFztTZf8F89Mg@mail.gmail.com> <CAHSQbTCrU-8kYpNoL_UiNd1PHtSG8sPnt8jRfGvEOZEWa_G4FA@mail.gmail.com> <54CC57CE.2080001@interlinked.me> <CAJ-VmonuAC9YFXR8jai5%2BKdW5q2x%2BjVVEABP0zRXiwHyWAC8pA@mail.gmail.com> <54CC7288.3040409@interlinked.me>
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On 30 January 2015 at 22:13, Elizabeth Myers <elizabeth@interlinked.me> wrote: > On 01/30/15 23:20, Adrian Chadd wrote: >> Do you have brightness buttons anywhere? What happens when you set it >> through this API and then you use the backlight buttons? > > > I do, but FreeBSD doesn't have the needed WMI doodads to interact with > this, nor do I have the needed Dell laptop doodads in the kernel to test > otherwise. > > To get /those/ working will require something else entirely. I have been > looking at the Linux drivers: > > https://github.com/torvalds/linux/blob/master/drivers/platform/x86/dell-wmi.c > https://github.com/torvalds/linux/blob/master/drivers/platform/x86/dell-laptop.c > > I'll save those for another day though, this is a bit off-topic. If > anyone else has laptop keys I'd like to see how they interact too. *nod* cool. I don't have any Dell hardware and I have no idea how any of that holds together. :( I'll wait and see what kib/jhb say and if there aren't any issues I'll commit your i915 debug patch. -adrian
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