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From: Andrew Morton <akpm@linux-foundation.org>
To: Alex Romosan <romosan@sycorax.lbl.gov>
Cc: Richard Purdie <rpurdie@rpsys.net>,
	linux-fbdev-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: 2.6.21-rc2 radeon backlight
Date: Fri, 2 Mar 2007 12:29:20 -0800	[thread overview]
Message-ID: <20070302122920.a2967ebf.akpm@linux-foundation.org> (raw)
In-Reply-To: <87tzx35zkc.fsf@sycorax.lbl.gov>

On Fri, 02 Mar 2007 09:24:03 -0800
Alex Romosan <romosan@sycorax.lbl.gov> wrote:

> Andrew Morton <akpm@linux-foundation.org> writes:
> 
> > On Wed, 28 Feb 2007 08:32:43 -0800
> > Alex Romosan <romosan@sycorax.lbl.gov> wrote:
> >
> >> the backlight on my thinkpad still (2.6.20 worked fine) doesn't come
> >> on if i have the radeon backlight enabled. without it, i guess it's
> >> the ibm acpi modules that controls the backlight and it seems to work
> >> fine.
> >> 
> >
> > Unclear. Are you saying that the backlight comes on OK if you use
> > the IBM acpi module?
> 
> yes, if i disable the radeon backlight and use the ibm acpi module,
> than the backlight works. if i enable the radeon backlight, the screen
> stays dark and i can't turn it on (i tried using radeontool to control
> it but nothing happened).

Richard, is this actually a bug, or is it a config error or something like that?

And should we track it as a post-2.6.20 regression?

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  reply	other threads:[~2007-03-02 20:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87ps7uutsk.fsf@sycorax.lbl.gov>
2007-03-02  2:45 ` 2.6.21-rc2 radeon backlight Andrew Morton
2007-03-02 17:24   ` Alex Romosan
2007-03-02 20:29     ` Andrew Morton [this message]
2007-03-02 20:35       ` David Miller
2007-03-02 21:01         ` Henrique de Moraes Holschuh
2007-03-02 21:22           ` Alex Romosan
2007-03-02 21:40             ` David Miller
2007-03-02 21:41         ` James Simmons
2007-03-02 21:58           ` Andrew Morton
2007-03-02 23:40             ` [Linux-fbdev-devel] " Richard Purdie
2007-03-03 16:23               ` James Simmons
2007-03-02 23:32       ` Richard Purdie
2007-03-03  5:34         ` Alex Romosan
2007-03-03 16:06         ` James Simmons
2007-03-03 16:35           ` Richard Purdie

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