linux-kernel - Re: [PATCH v2 2/3] leds: upboard: Add LED support

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Date:   Tue, 23 Oct 2018 20:54:53 +0200
From:   Pavel Machek <pavel@....cz>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>
Cc:     Dan O'Donovan <dan@...tex.com>, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-leds@...r.kernel.org,
        Carlos Iglesias <carlos.iglesias@...tex.com>,
        Javier Arteaga <javier@...tex.com>
Subject: Re: [PATCH v2 2/3] leds: upboard: Add LED support

Hi!

> > +	led->field = devm_regmap_field_alloc(dev, regmap, conf);
> > +	if (IS_ERR(led->field))
> > +		return PTR_ERR(led->field);
> > +
> > +	led->cdev.max_brightness = 1;
> 
> s/1/LED_ON/

Actually, I prefer constant 1 here, as it makes it immediately obvious
this supports just 0/1.

Yes, LED_ON is also 1, but I had to grep the header files for
that... (I thought it was 255).

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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