hal/doc/spec hal-spec-properties.xml, 1.6, 1.7 hal-spec.html, 1.87,
1.88
Richard Hughes
hughsient at kemper.freedesktop.org
Wed May 31 10:31:34 PDT 2006
Update of /cvs/hal/hal/doc/spec
In directory kemper:/tmp/cvs-serv4116/doc/spec
Modified Files:
hal-spec-properties.xml hal-spec.html
Log Message:
2006-05-31 Richard Hughes <richard at hughsie.com>
* doc/spec/hal-spec-properties.xml:
* doc/spec/hal-spec.html:
Add the video_adapter_pm namespace key descriptions for video power
management control.
Index: hal-spec-properties.xml
===================================================================
RCS file: /cvs/hal/hal/doc/spec/hal-spec-properties.xml,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- hal-spec-properties.xml 25 May 2006 15:16:19 -0000 1.6
+++ hal-spec-properties.xml 31 May 2006 17:31:32 -0000 1.7
@@ -4132,6 +4132,132 @@
</tgroup>
</informaltable>
</sect2>
+ <sect2 id="device-properties-video_adapter_pm">
+ <title>
+ <literal>video_adapter_pm</literal> namespace
+ </title>
+ <para>
+ Device objects with the capability <literal>video_adapter_pm</literal>
+ represent video adapters that need to be suspended or resumed in device
+ specific ways.
+ </para>
+ <informaltable>
+ <tgroup cols="2">
+ <thead>
+ <row>
+ <entry>Key (type)</entry>
+ <entry>Values</entry>
+ <entry>Mandatory</entry>
+ <entry>Description</entry>
+ </row>
+ </thead>
+ <tbody>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.s3_bios</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Use the S3_BIOS kernel command for suspend.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.s3_mode</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Use the S3_MODE kernel command for suspend.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.dpms_suspend</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Suspend the video card via DPMS.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.vga_mode_3</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Reset the VGA text mode to mode 3 on resume.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.dpms_on</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Reactivate the screen with DPMS on resume.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.vbe_post</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Run the VGA BIOS Power On Self Test (POST) on resume.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.vbestate_restore</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Save the VGA BIOS state before suspend, and restore it on resume.</entry>
+ </row>
+ <row>
+ <entry>
+ <literal>video_adapter_pm.vbemode_restore</literal> (bool)
+ </entry>
+ <entry></entry>
+ <entry>No</entry>
+ <entry>Save the VGA BIOS mode before suspend, and restore it on resume.</entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ <para>
+ The following methods exist on the interface
+ <literal>org.freedesktop.Hal.Device.VideoAdapterPM</literal>.
+ </para>
+ <informaltable>
+ <tgroup cols="2">
+ <thead>
+ <row>
+ <entry>Method (parameter types)</entry>
+ <entry>Parameters</entry>
+ <entry>Mandatory</entry>
+ <entry>Description</entry>
+ </row>
+ </thead>
+ <tbody>
+ <row>
+ <entry>
+ void <literal>SuspendVideo</literal> (void)
+ </entry>
+ <entry>None</entry>
+ <entry>No</entry>
+ <entry>
+ Suspends the video adapter using the quirks specified.
+ </entry>
+ </row>
+ <row>
+ <entry>
+ void <literal>ResumeVideo</literal> (void)
+ </entry>
+ <entry>None</entry>
+ <entry>No</entry>
+ <entry>
+ Resumes the video adapter using the quirks specified.
+ </entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </sect2>
<sect2 id="device-properties-ac_adaptor">
<title>
<literal>ac_adaptor</literal> namespace
Index: hal-spec.html
===================================================================
RCS file: /cvs/hal/hal/doc/spec/hal-spec.html,v
retrieving revision 1.87
retrieving revision 1.88
diff -u -d -r1.87 -r1.88
--- hal-spec.html 19 May 2006 17:12:03 -0000 1.87
+++ hal-spec.html 31 May 2006 17:31:32 -0000 1.88
@@ -1,6 +1,6 @@
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>HAL 0.5.8 Specification</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="book" lang="en"><div class="titlepage"><div><div><h1 class="title"><a name="index"></a>HAL 0.5.8 Specification</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname">David</span> <span class="surname">Zeuthen</span></h3><div class="affiliation"><div class="address"><p><br>
<code class="email"><<a href="mailto:david at fubar.dk">david at fubar.dk</a>></code><br>
- </p></div></div></div></div></div><div><p class="releaseinfo">Version 0.5.8</p></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="chapter"><a href="#introduction">1. Introduction</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id3015260">About</a></span></dt><dt><span class="sect1"><a href="#id2959676">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id3031654">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></dd><dt><span class="chapter"><a href="#device-properties">2. Device Properties</a></span></dt><dd><dl><dt><span class="sect1"><a href="#properties-metadata">Metadata Properties</a></span></dt><dd><dl><dt><span class="sect2"><a href="#device-properties-info">
+ </p></div></div></div></div></div><div><p class="releaseinfo">Version 0.5.8</p></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="chapter"><a href="#introduction">1. Introduction</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2542234">About</a></span></dt><dt><span class="sect1"><a href="#id2501784">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2550424">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></dd><dt><span class="chapter"><a href="#device-properties">2. Device Properties</a></span></dt><dd><dl><dt><span class="sect1"><a href="#properties-metadata">Metadata Properties</a></span></dt><dd><dl><dt><span class="sect2"><a href="#device-properties-info">
<code class="literal">info</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-linux">
<code class="literal">linux</code> namespace
@@ -72,6 +72,8 @@
<code class="literal">camera</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-laptop-panel">
<code class="literal">laptop_panel</code> namespace
+ </a></span></dt><dt><span class="sect2"><a href="#device-properties-video_adapter_pm">
+ <code class="literal">video_adapter_pm</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-ac_adaptor">
<code class="literal">ac_adaptor</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-battery">
@@ -94,7 +96,7 @@
<code class="literal">storage.policy</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-volume-policy">
<code class="literal">volume.policy</code> namespace
- </a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#spec-device-info">3. Device Information Files</a></span></dt><dd><dl><dt><span class="sect1"><a href="#fdi-facts">Facts about devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mp3player">Example: MP3 player</a></span></dt><dt><span class="sect2"><a href="#fdi-example-camera">Example: Digital Still Camera</a></span></dt><dt><span class="sect2"><a href="#fdi-example-6in1">Example: Card Reader</a></span></dt></dl></dd><dt><span class="sect1"><a href="#fdi-policy">Policy settings for devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mountsetting">Storage Devices</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#examples">4. Examples and other stuff</a></span></dt><dd><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id3041797">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id3044392">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></dd></dl></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="introduction"></a>Chapter 1. Introduction</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id3015260">About</a></span></dt><dt><span class="sect1"><a href="#id2959676">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id3031654">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3015260"></a>About</h2></div></div></div><p>
+ </a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#spec-device-info">3. Device Information Files</a></span></dt><dd><dl><dt><span class="sect1"><a href="#fdi-facts">Facts about devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mp3player">Example: MP3 player</a></span></dt><dt><span class="sect2"><a href="#fdi-example-camera">Example: Digital Still Camera</a></span></dt><dt><span class="sect2"><a href="#fdi-example-6in1">Example: Card Reader</a></span></dt></dl></dd><dt><span class="sect1"><a href="#fdi-policy">Policy settings for devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mountsetting">Storage Devices</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#examples">4. Examples and other stuff</a></span></dt><dd><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2536112">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2566926">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></dd></dl></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="introduction"></a>Chapter 1. Introduction</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id2542234">About</a></span></dt><dt><span class="sect1"><a href="#id2501784">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2550424">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2542234"></a>About</h2></div></div></div><p>
This document concerns the specification of HAL which is a
piece of software that provides a view of the various hardware
attached to a system. In addition to this, HAL keeps detailed
@@ -130,7 +132,7 @@
which, given sufficient infrastructure, allows it to be
implemented on many UNIX-like systems. The major focus,
initially, is systems running the Linux 2.6 series kernels.
- </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2959676"></a>Acknowledgements</h2></div></div></div><p>
+ </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2501784"></a>Acknowledgements</h2></div></div></div><p>
Havoc Pennington's article
<a href="http://www.ometer.com/hardware.html" target="_top">''Making Hardware Just Work''
</a>
@@ -247,7 +249,7 @@
See <a href="#enforcing-policy" title="Enforcing Policy">the section called “Enforcing Policy”</a>
for more details.
</p></li></ul></div><p>
- </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3031654"></a>Device Objects</h2></div></div></div><p>
+ </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2550424"></a>Device Objects</h2></div></div></div><p>
It is important to precisely define the term HAL device
object. It's actually a bit blurry to define in general, it
includes what most UNIX-like systems consider first class
@@ -538,6 +540,8 @@
<code class="literal">camera</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-laptop-panel">
<code class="literal">laptop_panel</code> namespace
+ </a></span></dt><dt><span class="sect2"><a href="#device-properties-video_adapter_pm">
+ <code class="literal">video_adapter_pm</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-ac_adaptor">
<code class="literal">ac_adaptor</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-battery">
@@ -1528,7 +1532,7 @@
renamed
</td></tr><tr><td>
<code class="literal">net.interface_up</code> (bool)
- </td><td> </td><td>Yes</td><td>Whether the interface is up</td></tr><tr><td>
+ </td><td> </td><td>No</td><td>Whether the interface is up</td></tr><tr><td>
<code class="literal">net.linux.ifindex</code> (string)
</td><td> </td><td>Yes (only on Linux)</td><td>Index of the interface</td></tr><tr><td>
<code class="literal">net.physical_device</code> (string)
@@ -1887,6 +1891,39 @@
This method gets the hardware brightness of the laptop screen,
which we may need to do fairly regually on hardware that
changes the values in hardware without a software event.
+ </td></tr></tbody></table></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="device-properties-video_adapter_pm"></a>
+ <code class="literal">video_adapter_pm</code> namespace
+ </h3></div></div></div><p>
+ Device objects with the capability <code class="literal">video_adapter_pm</code>
+ represent video adapters that need to be suspended or resumed in device
+ specific ways.
+ </p><div class="informaltable"><table border="1"><colgroup><col><col></colgroup><thead><tr><th>Key (type)</th><th>Values</th><th>Mandatory</th><th>Description</th></tr></thead><tbody><tr><td>
+ <code class="literal">video_adapter_pm.s3_bios</code> (bool)
+ </td><td> </td><td>No</td><td>Use the S3_BIOS kernel command for suspend.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.s3_mode</code> (bool)
+ </td><td> </td><td>No</td><td>Use the S3_MODE kernel command for suspend.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.dpms_suspend</code> (bool)
+ </td><td> </td><td>No</td><td>Suspend the video card via DPMS.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.vga_mode_3</code> (bool)
+ </td><td> </td><td>No</td><td>Reset the VGA text mode to mode 3 on resume.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.dpms_on</code> (bool)
+ </td><td> </td><td>No</td><td>Reactivate the screen with DPMS on resume.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.vbe_post</code> (bool)
+ </td><td> </td><td>No</td><td>Run the VGA BIOS Power On Self Test (POST) on resume.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.vbestate_restore</code> (bool)
+ </td><td> </td><td>No</td><td>Save the VGA BIOS state before suspend, and restore it on resume.</td></tr><tr><td>
+ <code class="literal">video_adapter_pm.vbemode_restore</code> (bool)
+ </td><td> </td><td>No</td><td>Save the VGA BIOS mode before suspend, and restore it on resume.</td></tr></tbody></table></div><p>
+ The following methods exist on the interface
+ <code class="literal">org.freedesktop.Hal.Device.VideoAdapterPM</code>.
+ </p><div class="informaltable"><table border="1"><colgroup><col><col></colgroup><thead><tr><th>Method (parameter types)</th><th>Parameters</th><th>Mandatory</th><th>Description</th></tr></thead><tbody><tr><td>
+ void <code class="literal">SuspendVideo</code> (void)
+ </td><td>None</td><td>No</td><td>
+ Suspends the video adapter using the quirks specified.
+ </td></tr><tr><td>
+ void <code class="literal">ResumeVideo</code> (void)
+ </td><td>None</td><td>No</td><td>
+ Resumes the video adapter using the quirks specified.
</td></tr></tbody></table></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="device-properties-ac_adaptor"></a>
<code class="literal">ac_adaptor</code> namespace
</h3></div></div></div><p>
@@ -2638,7 +2675,7 @@
for details.
</p><pre class="programlisting">
<a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" href="../conf/storage-policy-examples.fdi"></a>
- </pre></div></div></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="examples"></a>Chapter 4. Examples and other stuff</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id3041797">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id3044392">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="callouts"></a>Callouts</h2></div></div></div><p>
+ </pre></div></div></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="examples"></a>Chapter 4. Examples and other stuff</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2536112">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2566926">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="callouts"></a>Callouts</h2></div></div></div><p>
Callouts are programs invoked when the device object list is
modified. As such, callouts can be used to maintain system-wide
policy (that may be specific to the particular OS) such as
@@ -2705,7 +2742,7 @@
and possibly callouts. Eventually, the device transitions to the
GDL (global device list) and first then it becomes ''visible'' for
desktop applications.
- </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3041797"></a>Interface org.freedesktop.Hal.Manager</h3></div></div></div><p>
+ </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2536112"></a>Interface org.freedesktop.Hal.Manager</h3></div></div></div><p>
Using D-BUS terminology, the HAL daemon provides the D-BUS
service <code class="literal">org.freedesktop.Hal</code>. This service
offers a D-BUS object at a well-known
@@ -2762,7 +2799,7 @@
# @param udi Unique Device Id
#
void NewCapability(string udi, string capability)
- </pre><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3015185"></a>Example</h4></div></div></div><p>
+ </pre><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2560280"></a>Example</h4></div></div></div><p>
The following brief Python program demonstrates some of the API
</p><pre class="programlisting">
<a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" href="example-manager.py"></a>
@@ -2803,7 +2840,7 @@
Device /org/freedesktop/Hal/devices/usb_46d_c001_410_-1_noserial was removed
Device /org/freedesktop/Hal/devices/usbif_usb_46d_c001_410_-1_noserial_0 was removed
</pre><p>
- </p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3044392"></a>Interface org.freedesktop.Hal.Device</h3></div></div></div><p>
+ </p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2566926"></a>Interface org.freedesktop.Hal.Device</h3></div></div></div><p>
Applications use
the <code class="literal">org.freedesktop.Hal.Manager</code> interface to
locate the device objects they are interested in. When a device
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