1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>snd_soc_dai_set_channel_map</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-tdm-slot.html" title="snd_soc_dai_set_tdm_slot"><link rel="next" href="API-snd-soc-dai-set-tristate.html" title="snd_soc_dai_set_tristate"></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_dai_set_channel_map</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-soc-dai-set-tdm-slot.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-tristate.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-snd-soc-dai-set-channel-map"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_soc_dai_set_channel_map &#8212; 
2     configure DAI audio channel map
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_dai_set_channel_map </b>(</code></td><td>struct snd_soc_dai * <var class="pdparam">dai</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">tx_num</var>, </td></tr><tr><td>&#160;</td><td>unsigned int * <var class="pdparam">tx_slot</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">rx_num</var>, </td></tr><tr><td>&#160;</td><td>unsigned int * <var class="pdparam">rx_slot</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1095509916"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dai</code></em></span></dt><dd><p>
4     DAI
5    </p></dd><dt><span class="term"><em class="parameter"><code>tx_num</code></em></span></dt><dd><p>
6     how many TX channels
7    </p></dd><dt><span class="term"><em class="parameter"><code>tx_slot</code></em></span></dt><dd><p>
8     pointer to an array which imply the TX slot number channel
9     0~num-1 uses
10    </p></dd><dt><span class="term"><em class="parameter"><code>rx_num</code></em></span></dt><dd><p>
11     how many RX channels
12    </p></dd><dt><span class="term"><em class="parameter"><code>rx_slot</code></em></span></dt><dd><p>
13     pointer to an array which imply the RX slot number channel
14     0~num-1 uses
15    </p></dd></dl></div></div><div class="refsect1"><a name="idp1095515708"></a><h2>Description</h2><p>
16   configure the relationship between channel number and TDM slot number.
17</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-soc-dai-set-tdm-slot.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch07.html#idp1095227164">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-snd-soc-dai-set-tristate.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">snd_soc_dai_set_tdm_slot</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;<span class="phrase">snd_soc_dai_set_tristate</span></td></tr></table></div></body></html>
18