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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>pci_enable_wake</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch09s05.html" title="PCI Support Library" /><link rel="prev" href="re343.html" title="pci_pme_active" /><link rel="next" href="re345.html" title="pci_wake_from_d3" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>pci_enable_wake</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re343.html">Prev</a> </td><th width="60%" align="center">PCI Support Library</th><td width="20%" align="right"> <a accesskey="n" href="re345.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="pci_enable_wake"><a id="API-pci-enable-wake"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_enable_wake —
enable PCI device as wakeup event source
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">pci_enable_wake </b>(</code></td><td>struct pci_dev * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>pci_power_t <var class="pdparam">state</var>, </td></tr><tr><td> </td><td>bool <var class="pdparam">enable</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2671279"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
PCI device affected
</p></dd><dt><span class="term"><em class="parameter"><code>state</code></em></span></dt><dd><p>
PCI state from which device will issue wakeup events
</p></dd><dt><span class="term"><em class="parameter"><code>enable</code></em></span></dt><dd><p>
True to enable event generation; false to disable
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2671340"></a><h2>Description</h2><p>
This enables the device as a wakeup event source, or disables it.
When such events involves platform-specific hooks, those hooks are
called automatically by this routine.
</p><p>
Devices with legacy power management (no standard PCI PM capabilities)
always require such platform hooks.
</p></div><div class="refsect1" title="RETURN VALUE"><a id="id2671358"></a><h2>RETURN VALUE</h2><p>
0 is returned on success
-EINVAL is returned if device is not supposed to wake up the system
Error code depending on the platform is returned if both the platform and
the native mechanism fail to enable the generation of wake-up events
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re343.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch09s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re345.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>pci_pme_active</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>pci_wake_from_d3</span></td></tr></table></div></body></html>
