linux-kernel - Re: [PATCH V3] led: Backlight trigger for led subsystem

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Date:	Tue, 7 Oct 2008 21:21:12 +0200
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	Pavel Machek <pavel@...e.cz>
Cc:	linux-kernel@...r.kernel.org, Richard Purdie <rpurdie@...ys.net>
Subject: Re: [PATCH V3] led: Backlight trigger for led subsystem

On Tue, Oct 07, 2008 at 08:58:46PM +0200, Pavel Machek wrote:
> 
> Ok, what is it good for? So I have backlight, charging led and hdd led
> on my zaurus. Now I can set charging led to indicate backlight... but
> why is it useful?

On my board, for example, I have a led for each "special" buttons and
others to indicate to the user some "special" conditions of machine
internals. All these leds should be switched off each time the LCD
blanks and they should get their old brightness status when the LCD
unblanks.

Ciao,

Rodolfo

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