Subject: Re: ACPI quirks - acpi_osi="!Windows 2006" required on FSC Amilo
 notebooks to enable brightness keys
From: Peter Paul <abnominales@web.de>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20100109231122.GA19789@srcf.ucam.org>
References: <539929391@web.de> <20100109202642.GA18657@srcf.ucam.org>
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	 <20100109220606.GA19441@srcf.ucam.org> <1263076707.1675.6.camel@virtubuntu>
	 <20100109231122.GA19789@srcf.ucam.org>
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Date: Sun, 10 Jan 2010 00:19:55 +0100
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On Sat, 09.01.2010, 23:11 +0000 Matthew Garrett wrote:
> It all looks like it should work. What do you have in /proc/acpi/video ?

/proc/acpi/video/:
GFX0

/proc/acpi/video/GFX0:
DD01  DD02  DD03  DD04  DD05  DOS  info  POST  POST_info  ROM

/proc/acpi/video/GFX0/DD01:
brightness  EDID  info  state

/proc/acpi/video/GFX0/DD02:
brightness  EDID  info  state

/proc/acpi/video/GFX0/DD03:
brightness  EDID  info  state

/proc/acpi/video/GFX0/DD04:
brightness  EDID  info  state

/proc/acpi/video/GFX0/DD05:
brightness  EDID  info  state

But like I said, it is possible to adjust the brightness software side
(even without acpi_osi parameter), it's only the keys that don't work.

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