linux-kernel - Re: [RFC] adp1653: Add device tree bindings for LED controller

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Message-ID: <20141120121348.GB27527@amd>
Date:	Thu, 20 Nov 2014 13:13:48 +0100
From:	Pavel Machek <pavel@....cz>
To:	Sakari Ailus <sakari.ailus@....fi>
Cc:	Jacek Anaszewski <j.anaszewski@...sung.com>, pali.rohar@...il.com,
	sre@...ian.org, sre@...g0.de,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, freemangordon@....bg, bcousson@...libre.com,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-media@...r.kernel.org,
	Linux LED Subsystem <linux-leds@...r.kernel.org>
Subject: Re: [RFC] adp1653: Add device tree bindings for LED controller

Hi!

> >> But regulators already have "regulator-max-microamp" property. So what
> >> about:
> >>
> >> max-microamp :     maximum intensity in microamperes of the LED
> >>                 (torch LED for flash devices)
> >> max-flash-microamp :     initial intensity in microamperes of the
> >>               flash LED; it is required to enable support
> >>               for the flash led
> >> flash-timeout-microseconds : timeout in microseconds after which flash
> >>               led is turned off
> >>
> >> If you had indicator on the same led, I guess
> >>
> >> indicator-microamp : recommended intensity in microamperes of the LED
> >>                  for indication
> 
> The value for the indicator is maximum as well, not just a
> recommendation.

Actually, no.

This is all for one LED, if you want to use it as a flash, torch and
indicator. You already know the maximum value with max-microamp.

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