1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_device_register</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="ch01s02.html" title="Device Components"><link rel="prev" href="API-snd-device-free.html" title="snd_device_free"><link rel="next" href="ch01s03.html" title="Module requests and Device File Entries"></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_device_register</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-device-free.html">Prev</a>&#160;</td><th width="60%" align="center">Device Components</th><td width="20%" align="right">&#160;<a accesskey="n" href="ch01s03.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-device-register"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_device_register &#8212; 
2     register the 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">int <b class="fsfunc">snd_device_register </b>(</code></td><td>struct snd_card * <var class="pdparam">card</var>, </td></tr><tr><td>&#160;</td><td>void * <var class="pdparam">device_data</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1093373036"></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>device_data</code></em></span></dt><dd><p>
6     the data pointer to register
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1093375604"></a><h2>Description</h2><p>
8   Registers the device which was already created via
9   <code class="function">snd_device_new</code>.  Usually this is called from <code class="function">snd_card_register</code>,
10   but it can be called later if any new devices are created after
11   invocation of <code class="function">snd_card_register</code>.
12</p></div><div class="refsect1"><a name="idp1093377316"></a><h2>Return</h2><p>
13   Zero if successful, or a negative error code on failure or if the
14   device not found.
15</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-device-free.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch01s02.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="ch01s03.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">snd_device_free</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;Module requests and Device File Entries</td></tr></table></div></body></html>
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