linux-kernel - Re: [PATCH] leds: driver for ab5500 high voltage leds

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Date:	Wed, 7 Dec 2011 23:47:47 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Linus Walleij <linus.walleij@...ricsson.com>,
	Richard Purdie <rpurdie@...ys.net>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Shreshtha Kumar Sahu <shreshthakumar.sahu@...ricsson.com>
Subject: Re: [PATCH] leds: driver for ab5500 high voltage leds

On Wed, Dec 07, 2011 at 03:16:06PM +0100, Linus Walleij wrote:

> Then in the sysfs interface:

> +       if (led_curr > led->max_current)
> +               led_curr = led->max_current;

> You are only allowed to set a lower value than the max value.

Oh, that's surprising - my expectation had been that the standard
brightness setting would be managing the current limit and the user
wouldn't need to control it separately.
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