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Date:   Fri, 29 May 2020 16:05:55 +0200
From:   Sebastian Reichel <sebastian.reichel@collabora.com>
To:     Pavel Machek <pavel@ucw.cz>
Cc:     Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel@collabora.com,
        Ian Ray <ian.ray@ge.com>, Samu Nuutamo <samu.nuutamo@vincit.fi>
Subject: Re: [PATCH] ARM: dts: imx53: ppd: alarm LEDs use kernel LED interface
Message-ID: <20200529140555.ozlvz4egihkvo3aw@earth.universe>
References: <20200416145123.73039-1-sebastian.reichel@collabora.com>
 <20200424093226.GB2647@amd>
 <20200424124423.jo25ai5oifvalgpr@earth.universe>
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Hi,

ping?

-- Sebastian

On Fri, Apr 24, 2020 at 02:44:23PM +0200, Sebastian Reichel wrote:
> Hi,
>=20
> On Fri, Apr 24, 2020 at 11:32:26AM +0200, Pavel Machek wrote:
> > On Thu 2020-04-16 16:51:23, Sebastian Reichel wrote:
> > > From: Ian Ray <ian.ray@ge.com>
> > >=20
> > > Use kernel LED interface for the alarm LEDs.
> >=20
> > Could we get these changes cced to LED maintainers?
>=20
> Sorry, you are not turning up via get_maintainer.pl and usually
> subsystem maintainers are not CC'd for every DT device instance.
> E.g. I do not want to be always CC'd for DT board file containing
> a battery/charger. I'm quite surprised you want to be CC'd for
> them, just looking at ARM DT files there are over 1000 instances
> of leds.
>=20
> > > +		alarm1 {
> > > +			label =3D "alarm:red";
> > > +			gpios =3D <&gpio7 3 GPIO_ACTIVE_HIGH>;
> > > +		};
> >=20
> > So... What is function of these leds, and can we get naming more
> > consistent with rest of the kernel?
>=20
> The device is a medical patient monitor and these are alarm LEDs
> informing about critical device or patient status. They are
> referenced by their color (those are discrete LEDs, not a
> multi-color one) basically everywhere. The only exception is
> "silenced", which means that audible alarm is surpressed. I
> don't think we have something comparable for any of those LEDs
> in the mainline tree.
>=20
> -- Sebastian

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