/usr/share/dbus-1/interfaces/org.freedesktop.UPower.KbdBacklight.xml is in upower 0.9.23-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | <!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>
</interface>
</node>
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