linux-kernel - Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x LED driver

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Message-ID: <20171115222323.GA18290@amd>
Date:   Wed, 15 Nov 2017 23:23:25 +0100
From:   Pavel Machek <pavel@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>, robh+dt@...nel.org,
        mark.rutland@....com, rpurdie@...ys.net,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>
Subject: Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x
 LED driver

Hi!

> > Shouldn't the driver be targeted for backlight subsystem then?
> > 
> > Adding backlight maintainers.
> > 
> 
> Great point!  I was not aware of the backlight subsystem.
> 
> Looks like I need to create a back light version as well.
> 
> Like the lp8788 did since this can be used as a LED driver beyond
> display back lighting.

No, definitely not two drivers for lp8788 hardware.

If that does not yet exist... you want to create glue layer to be able
to use LED as a display backlight. (It may already exist, no idea).

...

Actually or maybe a LED trigger. Just set LED's trigger to "this is
display backlight".

Other solutions are acceptable, but not two hardware drivers.

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

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