[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-06-30 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

Zhang Rui (rui.zh...@intel.com) changed:

   What|Removed |Added

 Status|RESOLVED|CLOSED

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-06-30 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

Zhang Rui (rui.zh...@intel.com) changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||rui.zh...@intel.com
 Resolution|--- |CODE_FIX

--- Comment #5 from Zhang Rui (rui.zh...@intel.com) ---
Patch merged in upstream

commit c41c36e900a337b4132b12ccabc97f5578248b44
Author: Paul Menzel 
AuthorDate: Fri May 22 14:22:28 2020 +0200
Commit: Rafael J. Wysocki 
CommitDate: Mon May 25 11:58:51 2020 +0200

ACPI: video: Use native backlight on Acer TravelMate 5735Z

Currently, changing the brightness of the internal display of the Acer
TravelMate 5735Z does not work. Pressing the function keys or changing the
slider, GNOME Shell 3.36.2 displays the OSD (five steps), but the
brightness does not change.

The Acer TravelMate 5735Z shipped with Windows 7 and as such does not
trigger our "win8 ready" heuristic for preferring the native backlight
interface.

Still ACPI backlight control doesn't work on this model, where as the
native (intel_video) backlight interface does work by adding
`acpi_backlight=native` or `acpi_backlight=none` to Linux’ command line.

So, add a quirk to force using native backlight control on this model.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=207835
Reviewed-by: Hans de Goede 
Signed-off-by: Paul Menzel 
Signed-off-by: Rafael J. Wysocki 

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-05-22 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

--- Comment #4 from Hans de Goede (jwrdego...@fedoraproject.org) ---
Note the attached-patch looks fine, you just need to "git send-email" it:

To:
Rafael J. Wysocki" 
Len Brown 

Cc:
linux-a...@vger.kernel.org

And since I've just reviewed it and it looks good to me, you may also add my:

Reviewed-by: Hans de Goede 

Just add that line to the commit message directly above your Signed-off-by
before sending out the patch.

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-05-22 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

--- Comment #3 from Hans de Goede (jwrdego...@fedoraproject.org) ---
Hi Paul,

Thank you for the bug-report and the patch. Can you please submit the patch
upstream using the standard Linux kernel patch submission process? :

https://www.kernel.org/doc/html/latest/process/submitting-patches.html

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-05-21 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

Paul Menzel (pmenzel+bugzilla.kernel@molgen.mpg.de) changed:

   What|Removed |Added

 Attachment #289201|0   |1
is obsolete||

--- Comment #2 from Paul Menzel (pmenzel+bugzilla.kernel@molgen.mpg.de) ---
Created attachment 289203
  --> https://bugzilla.kernel.org/attachment.cgi?id=289203=edit
ACPI: video: Use native backlight on Acer TravelMate 5735Z

Add bug report URL in a comment.

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-05-21 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

Paul Menzel (pmenzel+bugzilla.kernel@molgen.mpg.de) changed:

   What|Removed |Added

 CC||pmenzel+bugzilla.kernel.org
   ||@molgen.mpg.de

--- Comment #1 from Paul Menzel (pmenzel+bugzilla.kernel@molgen.mpg.de) ---
Created attachment 289201
  --> https://bugzilla.kernel.org/attachment.cgi?id=289201=edit
ACPI: video: Use native backlight on Acer TravelMate 5735Z

From commit 1c8fbc1f9b (ACPI: video: Use native backlight on Acer Aspire
5783z):

> The Acer Aspire 5783z shipped with Windows 7 and as such does not trigger our
> "win8 ready" heuristic for preferring the native backlight interface.

I do not know about the “win8 ready” heuristic, but this laptop also shipped
with Windows 7 (at least it has such a sticker on it). So I attach a similar
patch and mention it in the commit message too.

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[Bug 207835] ACPI video backlight brightness control does not work on Acer TravelMate 5735Z by default

2020-05-21 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=207835

Paul Menzel (pmenzel+bugzilla.kernel@molgen.mpg.de) changed:

   What|Removed |Added

 CC||jwrdego...@fedoraproject.or
   ||g

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