1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_soc_codec_set_sysclk</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="ch07.html#idp1095227164" title="ASoC Core API"><link rel="prev" href="API-snd-soc-dai-set-sysclk.html" title="snd_soc_dai_set_sysclk"><link rel="next" href="API-snd-soc-dai-set-clkdiv.html" title="snd_soc_dai_set_clkdiv"></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_soc_codec_set_sysclk</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-soc-dai-set-sysclk.html">Prev</a>&#160;</td><th width="60%" align="center">ASoC Core API</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-snd-soc-dai-set-clkdiv.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-soc-codec-set-sysclk"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_soc_codec_set_sysclk &#8212; 
2     configure CODEC system or master clock.
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_soc_codec_set_sysclk </b>(</code></td><td>struct snd_soc_codec * <var class="pdparam">codec</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">clk_id</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">source</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">freq</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">dir</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1095439300"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>codec</code></em></span></dt><dd><p>
4     CODEC
5    </p></dd><dt><span class="term"><em class="parameter"><code>clk_id</code></em></span></dt><dd><p>
6     DAI specific clock ID
7    </p></dd><dt><span class="term"><em class="parameter"><code>source</code></em></span></dt><dd><p>
8     Source for the clock
9    </p></dd><dt><span class="term"><em class="parameter"><code>freq</code></em></span></dt><dd><p>
10     new clock frequency in Hz
11    </p></dd><dt><span class="term"><em class="parameter"><code>dir</code></em></span></dt><dd><p>
12     new clock direction - input/output.
13    </p></dd></dl></div></div><div class="refsect1"><a name="idp1095444964"></a><h2>Description</h2><p>
14   Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
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