* [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module
[not found] <bug-109178-502@http.bugs.freedesktop.org/>
@ 2018-12-31 9:34 ` bugzilla-daemon
2019-01-01 22:37 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Product|a big freedesktop.org fly |DRI
|ribbon |
Assignee|devnull@freedesktop.org |dri-devel@lists.freedesktop
| |.org
Component|/dev/null |General
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^ permalink raw reply [flat|nested] 12+ messages in thread* [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module
[not found] <bug-109178-502@http.bugs.freedesktop.org/>
2018-12-31 9:34 ` [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module bugzilla-daemon
@ 2019-01-01 22:37 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|unspecified |DRI git
Priority|medium |high
Hardware|Other |x86-64 (AMD64)
OS|All |Linux (All)
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^ permalink raw reply [flat|nested] 12+ messages in thread* [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module
[not found] <bug-109178-502@http.bugs.freedesktop.org/>
2018-12-31 9:34 ` [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module bugzilla-daemon
2019-01-01 22:37 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Martin Peres <martin.peres@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Group|spam |
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^ permalink raw reply [flat|nested] 12+ messages in thread* [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module
[not found] <bug-109178-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
--- Comment #4 from Jani Nikula <jani.nikula@intel.com> ---
(In reply to Jan from comment #2)
> The samsung-laptop.ko module is enabling the use of the keyboard backlight
> keys.
This bugzilla is about display and graphics, not about keyboard. Try these
people and lists instead (or bugzilla.kernel.org, but there's a risk nobody
notices:
$ get_maintainer.pl -f ./drivers/platform/x86/samsung-laptop.c
Corentin Chary <corentin.chary@gmail.com> (maintainer:SAMSUNG LAPTOP DRIVER)
Darren Hart <dvhart@infradead.org> (maintainer:X86 PLATFORM DRIVERS)
Andy Shevchenko <andy@infradead.org> (maintainer:X86 PLATFORM DRIVERS)
platform-driver-x86@vger.kernel.org (open list:SAMSUNG LAPTOP DRIVER)
linux-kernel@vger.kernel.org (open list)
> The BIOS is put into CSM mode.
For i915 we don't really support the CSM mode. Please use UEFI instead.
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^ permalink raw reply [flat|nested] 12+ messages in thread* [Bug 109178] Keyboard backlight on Samsung Np900X5N not working due to not loading samsung-laptop.ko module
[not found] <bug-109178-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jani Nikula <jani.nikula@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution|--- |NOTOURBUG
Whiteboard| |
--- Comment #5 from Jani Nikula <jani.nikula@intel.com> ---
NOTOURBUG
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
--- Comment #6 from Jan <jv1@home.nl> ---
Ok apologies :-) I understand now. Sorry for bothering you guys in the wrong
group. I am still learning my way to the right people.
I contacted them directly via get_maint....
Warm regards!
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[not found] <bug-109178-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|NOTOURBUG |---
Status|CLOSED |REOPENED
--- Comment #7 from Jan <jv1@home.nl> ---
Indeed nobody notices :-) Is there another way to reach the maintainers?
ps: only reopened it for notification purpuses. As soon there is an answer I
will close it again.
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |NOTOURBUG
Status|REOPENED |RESOLVED
--- Comment #8 from Jan <jv1@home.nl> ---
Maintainers contacted me. I do not have the authority to close it. Therefor put
it on RESOLVED with NOTOURBUG label.
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Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
--- Comment #9 from Jani Nikula <jani.nikula@intel.com> ---
(In reply to Jan from comment #7)
> Indeed nobody notices :-) Is there another way to reach the maintainers?
Considering the time of the year, I think you're getting plenty of attention.
;)
> ps: only reopened it for notification purpuses. As soon there is an answer I
> will close it again.
I think notifications and everything work just fine regardless of open/close
status.
(In reply to Jan from comment #8)
> Maintainers contacted me. I do not have the authority to close it. Therefor
> put it on RESOLVED with NOTOURBUG label.
If it's on a public list or another bugzilla, please reference here for the
benefit of others. Thanks.
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--- Comment #10 from Jan <jv1@home.nl> ---
Ok I will Jani.
And I express herewith my deepest respect for the whole Linux community. Also
from a sociological view a true wonder how the cross-company eco-systems
operates. Fascinating and very very impressive. I feel privileged to be part of
it :-)
Also please bear in mind that are bought NP900X5N laptops are currently not
much more than an interesting hobby project, while we bought them as a
replacement for the NP900X4D laptops that are getting end of life.
Our only solution is currently getting support from the community and spending
a tremendous amount of time in getting them properly running.
Warm regards Jan
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https://bugs.freedesktop.org/show_bug.cgi?id=109178
Jan <jv1@home.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|NOTOURBUG |FIXED
--- Comment #11 from Jan <jv1@home.nl> ---
Just for the sake of record I found the solution:
The (UEFI based) kernel creates /sys/firmware/efi/efivars with the variable:
KBDBacklitLvl-5af56f53-985c-47d5-920c-f1c531d06852
The set immutable flag can be disabled with:
chattr -i
/sys/firmware/efi/efivars/KBDBacklitLvl-5af56f53-985c-47d5-920c-f1c531d06852
After that the variable can be altered from 00 - 03:
echo 0700000002 | xxd -p -r >
/sys/firmware/efi/efivars/KBDBacklitLvl-5af56f53-985c-47d5-920c-f1c531d06852
(GUID dependent on the manufacturer)
00 - Backlight off (always)
01 - Backlight on DIM level (by low ambient light; detected by light sensor)
02 - Backlight on NORM level (by low ambient light)
03 - Backlight on FULL level (by low ambient light)
Inspired by:
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1203592
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