Re: brightness

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Hello,

Here some feedback:
Linux Sappho 4.7.2-201.fc24.x86_64 #1 SMP Fri Aug 26 15:58:40 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
lspci
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
lsmod
video                  40960  3 i915,msi_wmi,nouveau

When I boot, I also use:
nomodeset vga=normal

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected primary 1920x1080+0+0 0mm x 0mm
   1920x1080      0.00* 

/sys/class/backlight
is empty

None of the fn key works

I also try to run:
NVIDIA-Linux-x86_64-352.63.run

but I get an error:
The build up seems OK, but

   /usr/src/kernels/4.7.2-201.fc24.x86_64/include/linux/pagemap.h:540:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (ret == 0 && span > PAGE_SIZE)
                          ^
     if [ "-pg" = "-pg" ]; then if [ /tmp/selfgz6064/NVIDIA-Linux-x86_64-352.63/kernel/os-interface.o != "scripts/mod/empty.o" ]; then ./scripts/recordmcount  "/tmp/selfgz6064/NVIDIA-Linux-x86_64-352.63/kernel/os-interface.o"; fi; fi;
   /usr/src/kernels/4.7.2-201.fc24.x86_64/Makefile:1461: recipe for target '_module_/tmp/selfgz6064/NVIDIA-Linux-x86_64-352.63/kernel' failed
   make[2]: *** [_module_/tmp/selfgz6064/NVIDIA-Linux-x86_64-352.63/kernel] Error 2
   make[2]: Leaving directory '/usr/src/kernels/4.7.2-201.fc24.x86_64'
   Makefile:150: recipe for target 'sub-make' failed
   make[1]: *** [sub-make] Error 2
   make[1]: Leaving directory '/usr/src/kernels/4.7.2-201.fc24.x86_64'
   NVIDIA: left KBUILD.
   nvidia.ko failed to build!
   nvidia-modules-common.mk:245: recipe for target 'module' failed
   make: *** [module] Error 1
-> Error.
ERROR: Unable to build the NVIDIA kernel module.
ERROR: Installation has failed.  Please see the file '/var/log/nvidia-installer.log' for details.  You may find suggestions on fixing installation problems in the README available on the Linux driver download page at www.nvidia.com.


What else ?


===========================================================================
 Patrick DUPRÉ                                 | | email: pdupre@xxxxxxx
 Laboratoire de Physico-Chimie de l'Atmosphère | |
 Université du Littoral-Côte d'Opale           | |
 Tel.  (33)-(0)3 28 23 76 12                   | | Fax: 03 28 65 82 44
 189A, avenue Maurice Schumann                 | | 59140 Dunkerque, France
===========================================================================


> Sent: Saturday, September 03, 2016 at 8:05 PM
> From: "geo.inbox.ignored" <geo.inbox.ignored@xxxxxxxxx>
> To: users@xxxxxxxxxxxxxxxxxxxxxxx
> Subject: Re: brightness
>
> 
> 
> On 09/03/2016 12:07 PM, Samuel Sieb wrote:
> > On 09/03/2016 02:34 AM, Patrick Dupre wrote:
> >> How can I manage the brightness of my laptop ?
> >>  xbacklight -get  (or -set)
> >> does not work.
> >> A gui interface would be helpful.
> >>
> > There should be backlight adjustment keys on your keyboard.  If those 
> > don't work, then file a kernel bug.  In Gnome, if you open the menu in 
> > the top-right corner, there should be a brightness slider under the 
> > volume slider.  Again, if that doesn't work, it's most likely a kernel bug.
> >
> ===>
> 
> not familiar with 'gnome thinking', but i guess volume slider is a good
> a place as any to include a brightness slider.
> 
> as for filing a bug, a 'need to know' is if current version of 'xbacklight'
> works with his video chipset. if laptop is old, fedora may have dropped
> his chipset. if 'new out of box', current drivers may not work.
> 
> Patrick needs to run 'lspci|grep vga' to find his chipset and post it to
> see if others with 'xbacklight' working have same chipset.
> 
> failing that, joining developers list would get faster reaction than
> filing a bug report.
> 
> > If you open a terminal and look in /sys/class/backlight, each directory 
> > there represents a kernel backlight control interface.  Inside, you can 
> > write a number to "brightness" in the range 0 to "max_brightness" and it 
> > should change.  Be careful writing something very low because you might 
> > not be able to see to turn it back up.
> >
> ===>
> 
> above is covered in search link i posted. did not mention because if
> Patrick reads thru search, he will find several links on same and in
> more detail.
> 
> 
> -- 
> 
> peace out.
> 
> CentOS GNU/Linux 6.8
> 
> tc,hago.
> 
> g
> .
> 
> =+=
> Tired of having your microsoft os hacked?
> Change to Linux os, used by microsoft hackers.
> =+=
> in a world with out fences, who needs gates.
> =+=
> --
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