[Wayland-bugs] [Bug 94857] xrandr does not set brightness under wayland

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94857

            Bug ID: 94857
           Summary: xrandr does not set brightness under wayland
           Product: Wayland
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: wayland
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: dslpiero at gmail.com

without wayland, this works fine on a macbook pro (intel iris video card):

xrandr --output HDMI2 --brightness 0.7

with wayland, this has no effect:

xrandr --output XWAYLAND0 --brightness 0.7

fedora 23

uname -a
Linux localhost.localdomain 4.2.3-300.fc23.x86_64 #1 SMP Mon Oct 5 15:42:54 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux

xrandr
Screen 0: minimum 320 x 200, current 4480 x 1600, maximum 8192 x 8192
XWAYLAND0 connected 1920x1080+2560+0 600mm x 340mm
   1920x1080 at 0.1Hz   0.00*+
XWAYLAND1 connected 2560x1600+0+0 290mm x 180mm
   2560x1600 at 0.1Hz   0.05*+

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