1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>dpm_suspend_start</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch02s04.html" title="Device Drivers Power Management"><link rel="prev" href="API-dpm-suspend-end.html" title="dpm_suspend_end"><link rel="next" href="API-device-pm-wait-for-dev.html" title="device_pm_wait_for_dev"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">dpm_suspend_start</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-dpm-suspend-end.html">Prev</a>&#160;</td><th width="60%" align="center">Device Drivers Power Management</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-device-pm-wait-for-dev.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-dpm-suspend-start"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>dpm_suspend_start &#8212; 
2     Prepare devices for PM transition and suspend them.
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">dpm_suspend_start </b>(</code></td><td>pm_message_t <var class="pdparam">state</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1110640780"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>state</code></em></span></dt><dd><p>
4     PM transition of the system being carried out.
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1110642420"></a><h2>Description</h2><p>
6   Prepare all non-sysdev devices for system PM transition and execute <span class="quote">&#8220;<span class="quote">suspend</span>&#8221;</span>
7   callbacks for them.
8</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-dpm-suspend-end.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch02s04.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-device-pm-wait-for-dev.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">dpm_suspend_end</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">device_pm_wait_for_dev</span></td></tr></table></div></body></html>
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