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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>parport_yield_blocking</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch03.html" title="Chapter 3. Parallel Port Devices" /><link rel="prev" href="re276.html" title="parport_yield" /><link rel="next" href="re278.html" title="parport_wait_event" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>parport_yield_blocking</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re276.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Parallel Port Devices</th><td width="20%" align="right"> <a accesskey="n" href="re278.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="parport_yield_blocking"><a id="API-parport-yield-blocking"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>parport_yield_blocking —
relinquish a parallel port temporarily
</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">parport_yield_blocking </b>(</code></td><td>struct pardevice * <var class="pdparam">dev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2634086"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
a device on the parallel port
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2634113"></a><h2>Description</h2><p>
This function relinquishes the port if it would be helpful to other
drivers to do so. Afterwards it tries to reclaim the port using
<code class="function">parport_claim_or_block</code>, and the return value is the same as for
<code class="function">parport_claim_or_block</code>.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re276.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch03.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re278.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>parport_yield</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>parport_wait_event</span></td></tr></table></div></body></html>
