FM / interfaces

/usr/share/dbus-1/interfaces

Name	Size	Mode	Actions
org.freedesktop.bolt.xml	16229	0644	edit dl rm
org.freedesktop.fwupd.xml	27463	0644	edit dl rm
org.freedesktop.PackageKit.Transaction.xml	87964	0644	edit dl rm
org.freedesktop.PackageKit.xml	22020	0644	edit dl rm
org.freedesktop.UPower.Device.xml	27251	0644	edit dl rm
org.freedesktop.UPower.KbdBacklight.xml	4182	0644	edit dl rm
org.freedesktop.UPower.Wakeups.xml	4137	0644	edit dl rm
org.freedesktop.UPower.xml	8016	0644	edit dl rm

Edit: /usr/share/dbus-1/interfaces/org.freedesktop.UPower.KbdBacklight.xml (4182B)

<!DOCTYPE node PUBLIC
"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd" [
  <!ENTITY ERROR_GENERAL "org.freedesktop.UPower.GeneralError">
]>
<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
  <interface name="org.freedesktop.UPower.KbdBacklight">
    <doc:doc>
      <doc:description>
        <doc:para>
          org.freedesktop.UPower.KbdBacklight is a DBus interface implemented
          by UPower.
	  It allows the keyboard backlight (if present) to be controlled.
        </doc:para>
      </doc:description>
    </doc:doc>

<method name="GetMaxBrightness">
      <arg name="value" direction="out" type="i">
        <doc:doc>
          <doc:summary>
            The maximum value of the keyboard backlight brightness.
          </doc:summary>
        </doc:doc>
      </arg>
      <doc:doc>
        <doc:description>
          <doc:para>
            Get the maximum brightness level for the keyboard backlight.
          </doc:para>
        </doc:description>
        <doc:errors>
          <doc:error name="&ERROR_GENERAL;">if an error occured while getting the maximum brightness</doc:error>
        </doc:errors>
      </doc:doc>
    </method>

<method name="GetBrightness">
      <arg name="value" direction="out" type="i">
        <doc:doc>
          <doc:summary>
            The current value of the keyboard backlight brightness.
          </doc:summary>
        </doc:doc>
      </arg>
      <doc:doc>
        <doc:description>
          <doc:para>
            Get the brightness level of the keyboard backlight.
          </doc:para>
        </doc:description>
        <doc:errors>
          <doc:error name="&ERROR_GENERAL;">if an error occured while getting the brightness</doc:error>
        </doc:errors>
      </doc:doc>
    </method>

<method name="SetBrightness">
      <arg name="value" direction="in" type="i">
        <doc:doc>
          <doc:summary>
            The value to set the KbdBacklight brightness.
          </doc:summary>
        </doc:doc>
      </arg>
      <doc:doc>
        <doc:description>
          <doc:para>
            Set the brightness level of the keyboard backlight.
          </doc:para>
        </doc:description>
        <doc:errors>
          <doc:error name="&ERROR_GENERAL;">if an error occured while setting the brightness</doc:error>
        </doc:errors>
      </doc:doc>
    </method>

<signal name="BrightnessChanged">
      <arg name="value" direction="out" type="i">
        <doc:doc>
          <doc:summary>
            The new brightness value of the keyboard backlight.
          </doc:summary>
        </doc:doc>
      </arg>
      <doc:doc>
        <doc:description>
          <doc:para>
	    The keyboard backlight brightness level has changed.
          </doc:para>
        </doc:description>
      </doc:doc>
    </signal>

<signal name="BrightnessChangedWithSource">
      <arg name="value" direction="out" type="i">
        <doc:doc>
          <doc:summary>
            The new brightness value of the keyboard backlight.
          </doc:summary>
        </doc:doc>
      </arg>
      <arg name="source" direction="out" type="s">
        <doc:doc>
          <doc:summary>
            Source of the keyboard backlight brightness change, either
            "external" if SetBrightness was called, or "internal" if the
            hardware changed the keyboard brightness itself (automatically or
            through a firmware-handled hotkey being pressed).
          </doc:summary>
        </doc:doc>
      </arg>
      <doc:doc>
        <doc:description>
          <doc:para>
	    The keyboard backlight brightness level has changed including
	    information about the source of the change.
          </doc:para>
        </doc:description>
      </doc:doc>
    </signal>

</interface>

</node>

cmd: