1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_interval_list</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="ch02.html#idp1093485324" title="PCM Core"><link rel="prev" href="API-snd-interval-ratnum.html" title="snd_interval_ratnum"><link rel="next" href="API-snd-interval-ranges.html" title="snd_interval_ranges"></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_interval_list</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-interval-ratnum.html">Prev</a>&#160;</td><th width="60%" align="center">PCM Core</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-snd-interval-ranges.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-interval-list"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_interval_list &#8212; 
2     refine the interval value from the list
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_interval_list </b>(</code></td><td>struct snd_interval * <var class="pdparam">i</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">count</var>, </td></tr><tr><td>&#160;</td><td>const unsigned int * <var class="pdparam">list</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1093582484"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>i</code></em></span></dt><dd><p>
4     the interval value to refine
5    </p></dd><dt><span class="term"><em class="parameter"><code>count</code></em></span></dt><dd><p>
6     the number of elements in the list
7    </p></dd><dt><span class="term"><em class="parameter"><code>list</code></em></span></dt><dd><p>
8     the value list
9    </p></dd><dt><span class="term"><em class="parameter"><code>mask</code></em></span></dt><dd><p>
10     the bit-mask to evaluate
11    </p></dd></dl></div></div><div class="refsect1"><a name="idp1093587012"></a><h2>Description</h2><p>
12   Refines the interval value from the list.
13   When mask is non-zero, only the elements corresponding to bit 1 are
14   evaluated.
15</p></div><div class="refsect1"><a name="idp1093587724"></a><h2>Return</h2><p>
16   Positive if the value is changed, zero if it's not changed, or a
17   negative error code.
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