From: Andrew Morton <akpm@linux-foundation.org>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-acpi@vger.kernel.org,
Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: brightness control on thinkpad t61p
Date: Wed, 26 Dec 2007 14:10:27 -0800 [thread overview]
Message-ID: <20071226141027.6d1a509f.akpm@linux-foundation.org> (raw)
In-Reply-To: <20071224073406.GA1018@srcf.ucam.org>
On Mon, 24 Dec 2007 07:34:06 +0000 Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Sun, Dec 23, 2007 at 12:00:57AM -0800, Andrew Morton wrote:
>
> > and /sys/class/backlight/thinkpad_screen/brightness is no longer present, so
> > my `brightness' script no longer works. That, my friends, is a regression.
>
> The thinkpad_acpi brightness interface simply doesn't work correctly on
> recent Thinkpads. The ACPI interface does, but the currently exported ui
> to it approximates some sort of horrific loss. I'll try to fix that in
> the next week or so.
Vice versa for me. The thinkpad_acpi driver in 2.6.23 _does_ work,
but its interface vanished in 2.6.24-rc5 and the acpi driver does not
work.
next prev parent reply other threads:[~2007-12-26 22:11 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 [this message]
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
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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