linux-kernel - Re: [patch] added brightness feature to lcd class.

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Message-ID: <20091109201541.GA28710@elf.ucw.cz>
Date:	Mon, 9 Nov 2009 21:15:46 +0100
From:	Pavel Machek <pavel@....cz>
To:	InKi Dae <daeinki@...il.com>
Cc:	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, Kyungmin Park <kmpark@...radead.org>
Subject: Re: [patch] added brightness feature to lcd class.

On Tue 2009-11-10 00:37:59, InKi Dae wrote:
> are you saying me that user shouldn't know if it is TFT-LCD or AMOLD?
> I agree your saying.

Parse error.

> if lcd class has brightness feature then sysfs file for controlling
> brightness will be placed
> in /sys/class/lcd/*/brightness.
> it would be a problem because the path is no sysfs you expected.
> 
> how about that symbolic link file is created by lcd class for user?
> like this,
> /sys/class/lcd/*/brightness -> /sys/class/backlight/*/brightness
> 

The symlink would have to be backwards, but yes, that would be better
than nothing. (But I still don't see why we should make it
complex. Just pretend it is backlight.)
								Pavel

-- 
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