1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_soc_dapm_enable_pin_unlocked</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The ALSA Driver API"><link rel="up" href="ch07s02.html" title="ASoC DAPM API"><link rel="prev" href="API-snd-soc-dapm-new-controls.html" title="snd_soc_dapm_new_controls"><link rel="next" href="API-snd-soc-dapm-enable-pin.html" title="snd_soc_dapm_enable_pin"></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">snd_soc_dapm_enable_pin_unlocked</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-soc-dapm-new-controls.html">Prev</a>&#160;</td><th width="60%" align="center">ASoC DAPM API</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-snd-soc-dapm-enable-pin.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-soc-dapm-enable-pin-unlocked"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_soc_dapm_enable_pin_unlocked &#8212; 
2     enable pin.
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">snd_soc_dapm_enable_pin_unlocked </b>(</code></td><td>struct snd_soc_dapm_context * <var class="pdparam">dapm</var>, </td></tr><tr><td>&#160;</td><td>const char * <var class="pdparam">pin</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1095892932"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dapm</code></em></span></dt><dd><p>
4     DAPM context
5    </p></dd><dt><span class="term"><em class="parameter"><code>pin</code></em></span></dt><dd><p>
6     pin name
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1095895532"></a><h2>Description</h2><p>
8   Enables input/output pin and its parents or children widgets iff there is
9   a valid audio route and active audio stream.
10   </p><p>
11
12   Requires external locking.
13</p></div><div class="refsect1"><a name="idp1095896428"></a><h2>NOTE</h2><p>
14   <code class="function">snd_soc_dapm_sync</code> needs to be called after this for DAPM to
15   do any widget power switching.
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