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SubjectRe: [PATCH v5 3/3] platform/chrome: Standardize Chrome OS keyboard backlight name
On Thu 2019-04-04 11:55:27, Dmitry Torokhov wrote:
> On Thu, Apr 4, 2019 at 11:41 AM Nick Crews <ncrews@chromium.org> wrote:
> >
> > On Thu, Apr 4, 2019 at 11:43 AM Dmitry Torokhov <dtor@google.com> wrote:
> > >
> > > On Thu, Apr 4, 2019 at 10:36 AM Guenter Roeck <groeck@google.com> wrote:
> > > >
> > > > On Thu, Apr 4, 2019 at 10:11 AM Nick Crews <ncrews@chromium.org> wrote:
> > > > >
> > > > > We want all backlights for the system keyboard to
> > > > > use a common name, so the name "platform::kbd_backlight"
> > > > > would be better than the current "chromeos::kbd_backlight"
> > > > > name. Normally this wouldn't be worth changing, but the new
> > > > > Wilco keyboard backlight driver uses the "platform" name.
> > > > > We want to make it so all Chrome OS devices are consistent,
> > > > > so we'll change the name here too.
> > > > >
> > > >
> > > > Wondering - who is the "we" you are talking about ?
> >
> > You're right, I should have been more precise.
> > I was referring to Pavel, Enric, and myself. Pavel had this opinion here:
> > https://lkml.org/lkml/2019/4/4/1040. I don't know what Pavel meant by "we"
> > in that comment, but I would guess that could mean the other LED maintainers
> > as well? I talked with Enric 1:1 and he didn't see the problem with changing it,
> > though perhaps he was only considering our use of the LED via powerd,
> > and not users in general. I'm guessing Pavel's and Enric's meanings though,
> > excuse me if I am misinterpreting.
> >
> > >
> > > This also has a potential of breaking existing setups if somebody did
> > > happen to match on entire name instead of suffix. Such changes have to
> > > be considered very carefully; at this point I am against of doing
> > > this.
> >
> > Would it make sense to keep the old name as is, and only make the new
> > Wilco name begin with "platform:"? What would you think is best?
>
> Given that we do not have a single instance of platform::kbd_backlight
> in kernel at this time I have no idea why Pavel is trying to push this
> for Wilco driver.

See the documentation in the email I sent few seconds ago. I hope it
explains my reasoning, if not, I'll explain it.

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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