linux-kernel - Re: [PATCH v4 2/3] dt-bindings: backlight: add lm3630a bindings

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Message-ID: <20190417151049.GA18138@basecamp>
Date:   Wed, 17 Apr 2019 11:10:49 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>,
        Mark Rutland <mark.rutland@....com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Dan Murphy <dmurphy@...com>, Jonathan Marek <jonathan@...ek.ca>
Subject: Re: [PATCH v4 2/3] dt-bindings: backlight: add lm3630a bindings

On Wed, Apr 17, 2019 at 08:34:33AM -0500, Rob Herring wrote:
> On Tue, Apr 16, 2019 at 6:54 PM Brian Masney <masneyb@...tation.org> wrote:
> >
> > Add new backlight bindings for the TI LM3630A dual-string white LED.
> >
> > Signed-off-by: Brian Masney <masneyb@...tation.org>
> > ---
> > Rob: Since the common bindings aren't converted to the new JSON schema
> > yet, I'm not sure how to do led-sources here. I would expect that we'd
> > have the uint32-array on the common binding once it exists. I had to
> > add it here to keep 'make dt_binding_check' happy. I left the
> > description off though for that property since that'll come from common
> > once its converted.
> 
> What was the error? '$ref' shouldn't be needed for this. The tooling
> has no knowledge whether there's common schema or not. So you probably
> have some pattern the meta-schema doesn't like and we need to fix.

Ahh, you're right... it works without the $ref. I just needed the
minItems and maxItems to fix the error I originally saw.

I'll wait for feedback from Dan before I send out another version with
your changes.

Thanks,

Brian