linux-kernel - Re: [PATCH 2/4] leds: simatic-ipc-leds: add new driver for Siemens Industial PCs

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Date:   Wed, 3 Mar 2021 20:31:34 +0100
From:   Pavel Machek <pavel@....cz>
To:     Henning Schild <henning.schild@...mens.com>
Cc:     linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        Srikanth Krishnakar <skrishnakar@...il.com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        Gerd Haeussler <gerd.haeussler.ext@...mens.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Mark Gross <mgross@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH 2/4] leds: simatic-ipc-leds: add new driver for Siemens
 Industial PCs

Hi!

> > > +static struct simatic_ipc_led simatic_ipc_leds_io[] = {
> > > +	{1 << 15, "simatic-ipc:green:run-stop"},
> > > +	{1 << 7,  "simatic-ipc:yellow:run-stop"},
> > > +	{1 << 14, "simatic-ipc:red:error"},
> > > +	{1 << 6,  "simatic-ipc:yellow:error"},
> > > +	{1 << 13, "simatic-ipc:red:maint"},
> > > +	{1 << 5,  "simatic-ipc:yellow:maint"},
> > > +	{0, ""},
> > > +};  
> > 
> > Please use names consistent with other systems, this is user
> > visible. If you have two-color power led, it should be
> > :green:power... See include/dt-bindings/leds/common.h .
> 
> Well we wanted to pick names that are printed on the devices and would
> like to stick to those. Has been a discussion ...
> Can we have symlinks to have multiple names per LED?

No symlinks. We plan to have command line tool to manipulate LEDs,
aliases might be possible there.

> How strong would you feel about us using our names?

Strongly. :-)

Do you have a picture how the leds look like?

Best regards,
							Pavel
-- 
http://www.livejournal.com/~pavelmachek

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