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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - xrandr does not set brightness under wayland"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94857">94857</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>xrandr does not set brightness under wayland
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Wayland
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>wayland
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>wayland-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>dslpiero@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>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
   <a href="mailto:1920x1080@0.1Hz">1920x1080@0.1Hz</a>   0.00*+
XWAYLAND1 connected 2560x1600+0+0 290mm x 180mm
   <a href="mailto:2560x1600@0.1Hz">2560x1600@0.1Hz</a>   0.05*+</pre>
        </div>
      </p>
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