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From: Rodolfo Giometti <giometti@enneenne.com>
To: Paul Sokolovsky <pmiscml@gmail.com>
Cc: linux-arm-kernel@lists.arm.linux.org.uk,
	linux-kernel@vger.kernel.org,
	linux-fbdev-devel@lists.sourceforge.net,
	Richard Purdie <rpurdie@rpsys.net>
Subject: Re: [PATCH 1/1] PXAFB: Support for backlight control
Date: Thu, 22 Feb 2007 09:32:04 +0100	[thread overview]
Message-ID: <20070222083204.GN4641@enneenne.com> (raw)
In-Reply-To: <1741775233.20070221182608@gmail.com>

On Wed, Feb 21, 2007 at 06:26:08PM +0200, Paul Sokolovsky wrote:
k>   Why? It's the same, except that it already exists, generic one (not
> limited to pxafb), and requires 1 function (too bad that C doesn't
> support lambda's):

Ah, ok.

>   I sent a bit of criticism for that too ;-). YMMV, but kernel
> solutions are just bound to be pretty simple and generic and lack
> any "niceties", which you'd likely want to do anyway eventually. For
> example, what if you'll want to implement "fade out" effect for
> keyboard backlight? Doing it in adhoc manner in kernel? Whereas with
> the LCD classdev, you can write generic "fade out" trigger and
> attach/detach it from userspace.

I agree. I just wish to add a backlight support for my LCD and
minikeypad.

What do you suggest to me in order to accomplish such task?

Thanks for your suggestions,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti@enneenne.com
Linux Device Driver                             giometti@gnudd.com
Embedded Systems                     		giometti@linux.it
UNIX programming                     phone:     +39 349 2432127

  reply	other threads:[~2007-02-22  8:31 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-21 14:53 Rodolfo Giometti
2007-02-21 16:00 ` Paul Sokolovsky
2007-02-21 16:12   ` Rodolfo Giometti
2007-02-21 16:26     ` Paul Sokolovsky
2007-02-22  8:32       ` Rodolfo Giometti [this message]
2007-02-22 10:33         ` Paul Sokolovsky
2007-02-22 16:37           ` Rodolfo Giometti
2007-02-22 17:11             ` Richard Purdie
2007-02-28 16:54             ` [Linux-fbdev-devel] " James Simmons
2007-02-22  0:59 ` Richard Purdie
2007-02-22  8:28   ` Rodolfo Giometti
2007-02-22  9:27     ` Richard Purdie
2007-02-22  9:32       ` Rodolfo Giometti

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