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Message-ID: <49E5234E.5070303@gmail.com>
Date: Wed, 15 Apr 2009 01:59:10 +0200
From: Niel Lambrechts <niel.lambrechts@gmail.com>
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To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>, mjg59@srcf.ucam.org
CC: yakui_zhao <yakui.zhao@intel.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       "linux.kernel" <linux-kernel@vger.kernel.org>,
       "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness
 with hotkeys (BISECTED)
References: <49E10684.5090101@gmail.com> <20090411150555.8b13ed18.akpm@linux-foundation.org> <20090412161448.GC26502@khazad-dum.debian.net> <49E234ED.5010105@gmail.com> <1239585695.5564.5.camel@localhost.localdomain> <49E3575A.60204@gmail.com> <20090413203450.GC16152@khazad-dum.debian.net>
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On 04/13/2009 10:34 PM, Henrique de Moraes Holschuh wrote:
> On Mon, 13 Apr 2009, Niel Lambrechts wrote:
>   
>>>> In 2.6.29.1:
>>>> lrwxrwxrwx 1 root root 0 Apr 12 20:01 /sys/class/backlight/acpi_video0
>>>> -> ../../devices/virtual/backlight/acpi_video0
>>>>         
>
> Well, that at least confirms that thinkpad-acpi doesn't have anything to
> do with your troubles, you were using acpi video.
>   

Okay, I've bisected it to:

74a365b3f354fafc537efa5867deb7a9fadbfe27 is first bad commit
commit 74a365b3f354fafc537efa5867deb7a9fadbfe27
Author: Matthew Garrett <mjg59@srcf.ucam.org>
Date:   Thu Mar 19 21:35:39 2009 +0000

    ACPI: Populate DIDL before registering ACPI video device on Intel

---

Matthew, can you help?

Regards,
Niel