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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>register_sound_special_device</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="ch05.html" title="Chapter 5. Sound Devices" /><link rel="prev" href="re563.html" title="snd_printdd" /><link rel="next" href="re565.html" title="register_sound_mixer" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>register_sound_special_device</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re563.html">Prev</a> </td><th width="60%" align="center">Chapter 5. Sound Devices</th><td width="20%" align="right"> <a accesskey="n" href="re565.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="register_sound_special_device"><a id="API-register-sound-special-device"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>register_sound_special_device —
register a special sound node
</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">register_sound_special_device </b>(</code></td><td>const struct file_operations * <var class="pdparam">fops</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">unit</var>, </td></tr><tr><td> </td><td>struct device * <var class="pdparam">dev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3106625"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>fops</code></em></span></dt><dd><p>
File operations for the driver
</p></dd><dt><span class="term"><em class="parameter"><code>unit</code></em></span></dt><dd><p>
Unit number to allocate
</p></dd><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
device pointer
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3106686"></a><h2>Description</h2><p>
Allocate a special sound device by minor number from the sound
subsystem. The allocated number is returned on succes. On failure
a negative error code is returned.
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