[Bug 43741] /sys/class/backlight/ is empty with AMD (ATI) Radeon HD 4350

[Bug 43741] /sys/class/backlight/ is empty with AMD (ATI) Radeon HD 4350

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=43741


Zhang Rui <rui.zhang@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rui.zhang@intel.com
          Component|Power-Video                 |Video(DRI - non Intel)
         AssignedTo|acpi_power-video@kernel-bug |drivers_video-dri@kernel-bu
                   |s.osdl.org                  |gs.osdl.org
            Product|ACPI                        |Drivers




--- Comment #4 from Zhang Rui <rui.zhang@intel.com>  2012-11-13 07:36:26 ---
there is no ACPI Backlight control on your laptop.
so sorry I can not help you on this.

re-assign to the graphics expert.

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[Bug 43741] /sys/class/backlight/ is empty with AMD (ATI) Radeon HD 4350

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=43741


Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #5 from Alex Deucher <alexdeucher@gmail.com>  2012-11-13 13:27:11 ---
If your laptop uses the backlight controller on the GPU, there is support for
it in kernel 3.7.

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[Bug 43741] /sys/class/backlight/ is empty with AMD (ATI) Radeon HD 4350

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=43741


Zhang Rui <rui.zhang@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |56331




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[Bug 43741] /sys/class/backlight/ is empty with AMD (ATI) Radeon HD 4350

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=43741

Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Resolution|---                         |CODE_FIX

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