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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>org.freedesktop.UPower.KbdBacklight</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="UPower Reference Manual">
<link rel="up" href="ref-dbus.html" title="D-Bus API Reference">
<link rel="prev" href="QoS.html" title="org.freedesktop.UPower.QoS">
<link rel="next" href="libupower-glib.html" title="libupower-glib GObjects">
<meta name="generator" content="GTK-Doc V1.19 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
<tr valign="middle">
<td><a accesskey="p" href="QoS.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="ref-dbus.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
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<th width="100%" align="center">UPower Reference Manual</th>
<td><a accesskey="n" href="libupower-glib.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#KbdBacklight.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#KbdBacklight.description" class="shortcut">Description</a>
                   | 
                  <a href="#KbdBacklight.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
                   | 
                  <a href="#KbdBacklight.signals" class="shortcut">Signals</a>
</td></tr>
</table>
<div class="refentry">
<a name="KbdBacklight"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle">org.freedesktop.UPower.KbdBacklight</span></h2>
<p>org.freedesktop.UPower.KbdBacklight — KbdBacklight interface</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Methods</h2>
<pre class="synopsis"><a class="link" href="KbdBacklight.html#KbdBacklight.GetMaxBrightness">GetMaxBrightness</a>(out'i'value)
<a class="link" href="KbdBacklight.html#KbdBacklight.GetBrightness">GetBrightness</a>(out'i'value)
<a class="link" href="KbdBacklight.html#KbdBacklight.SetBrightness">SetBrightness</a>(in'i'value)
</pre>
</div>
<div class="refsect1">
<a name="id-1.2.6.4"></a><h2>Signals</h2>
<pre class="synopsis"><a class="link" href="KbdBacklight.html#KbdBacklight::BrightnessChanged">BrightnessChanged</a>('i'value)
</pre>
</div>
<div class="refsect1">
<a name="id-1.2.6.5"></a><h2>Implemented Interfaces</h2>
<p>
    Objects implementing org.freedesktop.UPower.KbdBacklight also implements
    org.freedesktop.DBus.Introspectable,
    org.freedesktop.DBus.Properties
    </p>
</div>
<div class="refsect1">
<a name="id-1.2.6.6"></a><h2>Description</h2>
<p>
      
        </p>
<p>
          org.freedesktop.UPower.KbdBacklight is a DBus interface implemented
          by UPower.
	  It allows the keyboard backlight (if present) to be controlled.
        </p>
<p>
      
    </p>
</div>
<div class="refsect1">
<a name="id-1.2.6.7"></a><h2>Details</h2>
<div class="refsect2">
<a name="id-1.2.6.7.2"></a><h3>
<a name="KbdBacklight.GetMaxBrightness"></a>GetMaxBrightness ()</h3>
<pre class="programlisting">GetMaxBrightness (out'i'value)</pre>
</div>
<p>
            Get the maximum brightness level for the keyboard backlight.
          </p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>:</span></p></td>
<td>
            The maximum value of the keyboard backlight brightness.
          </td>
</tr></tbody>
</table></div>
<div class="refsect3">
<a name="id-1.2.6.7.5"></a><h4>Errors</h4>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>org.freedesktop.UPower.GeneralError</code></em>:</span></p></td>
<td>if an error occured while getting the maximum brightness</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.6.7.6"></a><h3>
<a name="KbdBacklight.GetBrightness"></a>GetBrightness ()</h3>
<pre class="programlisting">GetBrightness (out'i'value)</pre>
</div>
<p>
            Get the brightness level of the keyboard backlight.
          </p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>:</span></p></td>
<td>
            The current value of the keyboard backlight brightness.
          </td>
</tr></tbody>
</table></div>
<div class="refsect3">
<a name="id-1.2.6.7.9"></a><h4>Errors</h4>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>org.freedesktop.UPower.GeneralError</code></em>:</span></p></td>
<td>if an error occured while getting the brightness</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.6.7.10"></a><h3>
<a name="KbdBacklight.SetBrightness"></a>SetBrightness ()</h3>
<pre class="programlisting">SetBrightness (in'i'value)</pre>
</div>
<p>
            Set the brightness level of the keyboard backlight.
          </p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>:</span></p></td>
<td>
            The value to set the KbdBacklight brightness.
          </td>
</tr></tbody>
</table></div>
<div class="refsect3">
<a name="id-1.2.6.7.13"></a><h4>Errors</h4>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>org.freedesktop.UPower.GeneralError</code></em>:</span></p></td>
<td>if an error occured while setting the brightness</td>
</tr></tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="id-1.2.6.8"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="id-1.2.6.8.2"></a><h3>
<a name="KbdBacklight::BrightnessChanged"></a>The BrightnessChanged signal</h3>
<pre class="programlisting">BrightnessChanged ('i'value)</pre>
</div>
<p>
	    The keyboard backlight brightness level has changed.
          </p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>:</span></p></td>
<td>
            The new brightness value of the keyboard backlight.
          </td>
</tr></tbody>
</table></div>
</div>
</div>
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<hr>
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