1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>union v4l2_ctrl_ptr</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="mediadev.html#id-1.8.2" title="Video2Linux devices"><link rel="prev" href="API-struct-v4l2-async-notifier.html" title="struct v4l2_async_notifier"><link rel="next" href="API-struct-v4l2-ctrl-ops.html" title="struct v4l2_ctrl_ops"></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">union v4l2_ctrl_ptr</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-v4l2-async-notifier.html">Prev</a> </td><th width="60%" align="center">Video2Linux devices</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-v4l2-ctrl-ops.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-v4l2-ctrl-ptr"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>union v4l2_ctrl_ptr — 
2  A pointer to a control value.
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
4union v4l2_ctrl_ptr {
5  s32 * p_s32;
6  s64 * p_s64;
7  u8 * p_u8;
8  u16 * p_u16;
9  u32 * p_u32;
10  char * p_char;
11  void * p;
12};  </pre></div><div class="refsect1"><a name="id-1.8.2.13.5"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">p_s32</span></dt><dd><p>
13Pointer to a 32-bit signed value.
14      </p></dd><dt><span class="term">p_s64</span></dt><dd><p>
15Pointer to a 64-bit signed value.
16      </p></dd><dt><span class="term">p_u8</span></dt><dd><p>
17Pointer to a 8-bit unsigned value.
18      </p></dd><dt><span class="term">p_u16</span></dt><dd><p>
19Pointer to a 16-bit unsigned value.
20      </p></dd><dt><span class="term">p_u32</span></dt><dd><p>
21Pointer to a 32-bit unsigned value.
22      </p></dd><dt><span class="term">p_char</span></dt><dd><p>
23Pointer to a string.
24      </p></dd><dt><span class="term">p</span></dt><dd><p>
25Pointer to a compound value.
26      </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-v4l2-async-notifier.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="mediadev.html#id-1.8.2">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-v4l2-ctrl-ops.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct v4l2_async_notifier</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">struct v4l2_ctrl_ops</span></td></tr></table></div></body></html>
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