From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S933122AbdKOWXe (ORCPT <rfc822;w@1wt.eu>);
        Wed, 15 Nov 2017 17:23:34 -0500
Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:47400 "EHLO
        atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1756730AbdKOWX1 (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 15 Nov 2017 17:23:27 -0500
Date: Wed, 15 Nov 2017 23:23:25 +0100
From: Pavel Machek <pavel@ucw.cz>
To: Dan Murphy <dmurphy@ti.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>, robh+dt@kernel.org,
        mark.rutland@arm.com, rpurdie@rpsys.net, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org,
        Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>
Subject: Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x
 LED driver
Message-ID: <20171115222323.GA18290@amd>
References: <20171115194203.13572-1-dmurphy@ti.com>
 <cb5c5a65-d5a0-86a3-36b4-cf06baae9ec4@gmail.com>
 <0a78c883-f074-cc19-3c0c-fc05607400e9@ti.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
        protocol="application/pgp-signature"; boundary="mYCpIKhGyMATD0i+"
Content-Disposition: inline
In-Reply-To: <0a78c883-f074-cc19-3c0c-fc05607400e9@ti.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org


--mYCpIKhGyMATD0i+
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Hi!

> > Shouldn't the driver be targeted for backlight subsystem then?
> >=20
> > Adding backlight maintainers.
> >=20
>=20
> Great point!  I was not aware of the backlight subsystem.
>=20
> Looks like I need to create a back light version as well.
>=20
> 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).

=2E..

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
--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

--mYCpIKhGyMATD0i+
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iEYEARECAAYFAloMvloACgkQMOfwapXb+vIvXACfTbGt5pm5s67EQxI9SVDvQ0Rw
YiEAnjEdVh4CvaRhKK0cOH+6SNK7ncls
=Hb2x
-----END PGP SIGNATURE-----

--mYCpIKhGyMATD0i+--