1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>pwm_request</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="pwm.html" title="Chapter 13. Pulse-Width Modulation (PWM)"><link rel="prev" href="API-pwmchip-remove.html" title="pwmchip_remove"><link rel="next" href="API-pwm-request-from-chip.html" title="pwm_request_from_chip"></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">pwm_request</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pwmchip-remove.html">Prev</a> </td><th width="60%" align="center">Chapter 13. Pulse-Width Modulation (PWM)</th><td width="20%" align="right"> <a accesskey="n" href="API-pwm-request-from-chip.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-pwm-request"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pwm_request — 
2     request a PWM device
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"><a class="link" href="API-struct-pwm-device.html" title="struct pwm_device">struct pwm_device</a> * <b class="fsfunc">pwm_request </b>(</code></td><td>int <var class="pdparam">pwm</var>, </td></tr><tr><td> </td><td>const char * <var class="pdparam">label</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.15.15.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pwm</code></em></span></dt><dd><p>
4     global PWM device index
5    </p></dd><dt><span class="term"><em class="parameter"><code>label</code></em></span></dt><dd><p>
6     PWM device label
7    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.15.15.6"></a><h2>Description</h2><p>
8   This function is deprecated, use <code class="function"><a class="link" href="API-pwm-get.html" title="pwm_get">pwm_get</a></code> instead.
9</p></div><div class="refsect1"><a name="id-1.15.15.7"></a><h2>Returns</h2><p>
10   A pointer to a PWM device or an <code class="function">ERR_PTR</code>-encoded error code on
11   failure.
12</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-pwmchip-remove.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pwm.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-pwm-request-from-chip.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">pwmchip_remove</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">pwm_request_from_chip</span></td></tr></table></div></body></html>
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