1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_ctl_remove_id</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="ch03.html#idp1094472508" title="General Control Interface"><link rel="prev" href="API-snd-ctl-remove.html" title="snd_ctl_remove"><link rel="next" href="API-snd-ctl-activate-id.html" title="snd_ctl_activate_id"></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_ctl_remove_id</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-ctl-remove.html">Prev</a> </td><th width="60%" align="center">General Control Interface</th><td width="20%" align="right"> <a accesskey="n" href="API-snd-ctl-activate-id.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-ctl-remove-id"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_ctl_remove_id — 2 remove the control of the given id and release it 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_ctl_remove_id </b>(</code></td><td>struct snd_card * <var class="pdparam">card</var>, </td></tr><tr><td> </td><td>struct snd_ctl_elem_id * <var class="pdparam">id</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp1094536748"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>card</code></em></span></dt><dd><p> 4 the card instance 5 </p></dd><dt><span class="term"><em class="parameter"><code>id</code></em></span></dt><dd><p> 6 the control id to remove 7 </p></dd></dl></div></div><div class="refsect1"><a name="idp1094539372"></a><h2>Description</h2><p> 8 Finds the control instance with the given id, removes it from the 9 card list and releases it. 10</p></div><div class="refsect1"><a name="idp1094540076"></a><h2>Return</h2><p> 11 0 if successful, or a negative error code on 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-snd-ctl-remove.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch03.html#idp1094472508">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-snd-ctl-activate-id.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">snd_ctl_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">snd_ctl_activate_id</span></td></tr></table></div></body></html> 13