From: Kel Modderman <kel@otaku42.de>
To: Zhang Rui <rui.zhang@intel.com>
Cc: "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: backlight regression on ASUS F6S: inverted brightness control
Date: Mon, 5 Jan 2009 06:49:19 +1000 [thread overview]
Message-ID: <200901050649.19747.kel@otaku42.de> (raw)
In-Reply-To: <1230694408.562.306.camel@rzhang-dt>
On Wednesday 31 December 2008 13:33:28 Zhang Rui wrote:
> the ACPI video backlight I/F on your laptop is broken.
> could you please boot with acpi_backlight=vendor and see if it works at
> before?
>
> BTW: please attach the output of "grep . /proc/acpi/video/*/*/*" in
> 1. 2.6.28 kenrel & boot with "acpi_backlight=vendor"
/proc/acpi/video/VGA/CRTD/brightness:<not supported>
/proc/acpi/video/VGA/CRTD/EDID:<not supported>
/proc/acpi/video/VGA/CRTD/info:device_id: 0x0100
/proc/acpi/video/VGA/CRTD/info:type: UNKNOWN
/proc/acpi/video/VGA/CRTD/info:known by bios: no
/proc/acpi/video/VGA/CRTD/state:state: 0x1d
/proc/acpi/video/VGA/CRTD/state:query: 0x00
/proc/acpi/video/VGA/DVID/brightness:<not supported>
/proc/acpi/video/VGA/DVID/EDID:<not supported>
/proc/acpi/video/VGA/DVID/info:device_id: 0x0120
/proc/acpi/video/VGA/DVID/info:type: UNKNOWN
/proc/acpi/video/VGA/DVID/info:known by bios: no
/proc/acpi/video/VGA/DVID/state:state: 0x1d
/proc/acpi/video/VGA/DVID/state:query: 0x00
/proc/acpi/video/VGA/LCDD/brightness:<not supported>
/proc/acpi/video/VGA/LCDD/EDID:<not supported>
/proc/acpi/video/VGA/LCDD/info:device_id: 0x0110
/proc/acpi/video/VGA/LCDD/info:type: UNKNOWN
/proc/acpi/video/VGA/LCDD/info:known by bios: no
/proc/acpi/video/VGA/LCDD/state:state: 0x1f
/proc/acpi/video/VGA/LCDD/state:query: 0x01
> 2. an earlier working kernel, say 2.6.26.
/proc/acpi/video/VGA/CRTD/brightness:<not supported>
/proc/acpi/video/VGA/CRTD/EDID:<not supported>
/proc/acpi/video/VGA/CRTD/info:device_id: 0x0100
/proc/acpi/video/VGA/CRTD/info:type: UNKNOWN
/proc/acpi/video/VGA/CRTD/info:known by bios: no
/proc/acpi/video/VGA/CRTD/state:state: 0x1d
/proc/acpi/video/VGA/CRTD/state:query: 0x00
/proc/acpi/video/VGA/DVID/brightness:<not supported>
/proc/acpi/video/VGA/DVID/EDID:<not supported>
/proc/acpi/video/VGA/DVID/info:device_id: 0x0120
/proc/acpi/video/VGA/DVID/info:type: UNKNOWN
/proc/acpi/video/VGA/DVID/info:known by bios: no
/proc/acpi/video/VGA/DVID/state:state: 0x1d
/proc/acpi/video/VGA/DVID/state:query: 0x00
/proc/acpi/video/VGA/LCDD/brightness:levels: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
/proc/acpi/video/VGA/LCDD/brightness:current: 13
/proc/acpi/video/VGA/LCDD/EDID:<not supported>
/proc/acpi/video/VGA/LCDD/info:device_id: 0x0110
/proc/acpi/video/VGA/LCDD/info:type: UNKNOWN
/proc/acpi/video/VGA/LCDD/info:known by bios: no
/proc/acpi/video/VGA/LCDD/state:state: 0x1f
/proc/acpi/video/VGA/LCDD/state:query: 0x01
Thanks, Kel.
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prev parent reply other threads:[~2009-01-04 20:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-27 20:11 backlight regression on ASUS F6S: inverted brightness control Kel Modderman
2008-12-29 1:07 ` Zhang Rui
2008-12-29 8:39 ` Kel Modderman
2008-12-30 1:37 ` Zhang Rui
2008-12-30 16:02 ` Kel Modderman
2008-12-31 3:33 ` Zhang Rui
2008-12-31 6:21 ` Zhang Rui
2008-12-31 11:50 ` Matthew Garrett
2009-01-04 20:49 ` Kel Modderman [this message]
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