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SubjectRe: [PATCH] video: backlight: Remove backlight sysfs uevent
On Fri, Nov 22, 2013 at 09:36:01AM -0200, Henrique de Moraes Holschuh wrote:
> On Thu, 21 Nov 2013, Matthew Garrett wrote:
> > The uevent support was initially added to handle systems where pressing
> > a hotkey generates an event (good) but the firmware automatically
> > changes the brightness (bad). I have absolutely no idea why I added
> > BACKLIGHT_UPDATE_SYSFS - BACKLIGHT_UPDATE_HOTKEY solves the problem I
> > was trying to solve. I'm not aware of any userspace that relies on
> > BACKLIGHT_UPDATE_SYSFS.
>
> Well, either we have userspace that rely on the uevents, or we don't.

We have userspace that relies on uevents of type
BACKLIGHT_UPDATE_HOTKEY. I don't know that we have userspace that relies
on uevents of type BACKLIGHT_UPDATE_SYSFS.

--
Matthew Garrett | mjg59@srcf.ucam.org


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