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

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Message-ID: <20091105192725.GE1392@ucw.cz>
Date:	Thu, 5 Nov 2009 20:27:25 +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 Mon 2009-11-02 17:50:02, InKi Dae wrote:
> This patch adds brightness feature to lcd class.
> (kernel/driver/video/backlight/lcd.c)
> 
> In the past, most of the lcd panels for embedded system was TFT-LCD
> Panel needing backlight device.
> But now AMOLED LCD Panel appeared so we should consider brightness
> control for AMOLED Panel.
> 
> For the time being, I used backlight fake driver for brightness
> control of AMOLED LCD Panel.
> But this way is not good, so I propose to add brightness feature to lcd class.
>

Why is it 'not good'? Using backlight driver seems like way to go to
me.

									Pavel

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