From: Pavel Machek <pavel@ucw.cz>
To: InKi Dae <daeinki@gmail.com>
Cc: linux-fbdev-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
Kyungmin Park <kmpark@infradead.org>
Subject: Re: [patch] added brightness feature to lcd class.
Date: Thu, 5 Nov 2009 20:27:25 +0100 [thread overview]
Message-ID: <20091105192725.GE1392@ucw.cz> (raw)
In-Reply-To: <90b950fc0911020050q3bc3fae8j954ec6ed73d79b5@mail.gmail.com>
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
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-11-05 19:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-02 8:50 [patch] added brightness feature to lcd class InKi Dae
2009-11-05 19:27 ` Pavel Machek [this message]
2009-11-07 12:43 ` InKi Dae
2009-11-07 16:48 ` Pavel Machek
2009-11-09 15:37 ` InKi Dae
2009-11-09 20:15 ` Pavel Machek
2009-11-09 23:18 ` Andrew Morton
2009-11-09 23:35 ` Richard Purdie
2009-11-10 3:26 ` InKi Dae
2009-11-10 8:43 ` Richard Purdie
2009-11-10 15:27 ` Matthew Garrett
2009-11-11 6:17 ` InKi Dae
2009-11-11 9:28 ` Richard Purdie
2009-11-13 3:13 ` InKi Dae
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