1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>drm_edid_to_sad</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="ch02s05.html#idp1126417260" title="EDID Helper Functions Reference"><link rel="prev" href="API-drm-edid-to-eld.html" title="drm_edid_to_eld"><link rel="next" href="API-drm-edid-to-speaker-allocation.html" title="drm_edid_to_speaker_allocation"></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">drm_edid_to_sad</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-drm-edid-to-eld.html">Prev</a>&#160;</td><th width="60%" align="center">EDID Helper Functions Reference</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-drm-edid-to-speaker-allocation.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-edid-to-sad"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_edid_to_sad &#8212; 
2     extracts SADs from EDID
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">drm_edid_to_sad </b>(</code></td><td>struct edid * <var class="pdparam">edid</var>, </td></tr><tr><td>&#160;</td><td>struct cea_sad ** <var class="pdparam">sads</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126506924"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>edid</code></em></span></dt><dd><p>
4     EDID to parse
5    </p></dd><dt><span class="term"><em class="parameter"><code>sads</code></em></span></dt><dd><p>
6     pointer that will be set to the extracted SADs
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126509580"></a><h2>Description</h2><p>
8   Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
9</p></div><div class="refsect1"><a name="idp1126510260"></a><h2>Note</h2><p>
10   The returned pointer needs to be freed using <code class="function">kfree</code>.
11</p></div><div class="refsect1"><a name="idp1126511252"></a><h2>Return</h2><p>
12   The number of found SADs or negative number on error.
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