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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-acpi@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: brightness control on thinkpad t61p
Date: Tue, 8 Jan 2008 12:18:20 +0000	[thread overview]
Message-ID: <20080108121819.GA1324@srcf.ucam.org> (raw)
In-Reply-To: <20080108120653.GA23216@khazad-dum.debian.net>

On Tue, Jan 08, 2008 at 10:06:53AM -0200, Henrique de Moraes Holschuh wrote:

> Is there a *real* technical reason why we can't just round to the nearest?
> That will work well with any firmware, and it will not remove functionality
> from any box, while at the same time plugging the current issues nicely.

Yes. Software makes the assumption that writing a value larger than the 
current value will result in the value increasing, which isn't 
necessarily true if you round it.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2008-01-08 12:18 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-23  8:00 brightness control on thinkpad t61p Andrew Morton
2007-12-23 12:16 ` Rafael J. Wysocki
2007-12-24  7:34 ` Matthew Garrett
2007-12-24 17:14   ` Henrique de Moraes Holschuh
2007-12-26 22:10   ` Andrew Morton
2007-12-26 22:23     ` Matthew Garrett
2007-12-27 12:33       ` Henrique de Moraes Holschuh
2008-01-07  1:36         ` Henrique de Moraes Holschuh
2008-01-07 19:48           ` Matthew Garrett
2008-01-08  0:32             ` Henrique de Moraes Holschuh
2008-01-08  0:45               ` Matthew Garrett
2008-01-08 12:06                 ` Henrique de Moraes Holschuh
2008-01-08 12:18                   ` Matthew Garrett [this message]
2008-01-08 12:48                     ` Henrique de Moraes Holschuh
2008-01-08 15:17                       ` Matthew Garrett
2008-01-08 15:45                       ` Richard Purdie
2008-01-08 15:54                         ` Matthew Garrett
2008-01-08 16:29                           ` Richard Purdie
2008-01-08 16:49                             ` Henrique de Moraes Holschuh
2008-01-08 16:56                               ` Richard Purdie
2008-01-08 17:36                                 ` Henrique de Moraes Holschuh
2007-12-27 12:31     ` Henrique de Moraes Holschuh
2007-12-24 17:08 ` Henrique de Moraes Holschuh
2007-12-26 22:10   ` Andrew Morton
2007-12-27 13:15     ` Henrique de Moraes Holschuh

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