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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091105192725.GE1392@ucw.cz \
--to=pavel@ucw.cz \
--cc=daeinki@gmail.com \
--cc=kmpark@infradead.org \
--cc=linux-fbdev-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.