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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>snd_ac97_tune_hardware</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The ALSA Driver API" /><link rel="up" href="ch03s02.html" title="AC97 Codec API" /><link rel="prev" href="re85.html" title="snd_ac97_resume" /><link rel="next" href="re87.html" title="snd_ac97_set_rate" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>snd_ac97_tune_hardware</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re85.html">Prev</a> </td><th width="60%" align="center">AC97 Codec API</th><td width="20%" align="right"> <a accesskey="n" href="re87.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="snd_ac97_tune_hardware"><a id="API-snd-ac97-tune-hardware"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>snd_ac97_tune_hardware —
tune up the hardware
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">snd_ac97_tune_hardware </b>(</code></td><td>struct snd_ac97 * <var class="pdparam">ac97</var>, </td></tr><tr><td> </td><td>struct ac97_quirk * <var class="pdparam">quirk</var>, </td></tr><tr><td> </td><td>const char * <var class="pdparam">override</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2956824"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>ac97</code></em></span></dt><dd><p>
the ac97 instance
</p></dd><dt><span class="term"><em class="parameter"><code>quirk</code></em></span></dt><dd><p>
quirk list
</p></dd><dt><span class="term"><em class="parameter"><code>override</code></em></span></dt><dd><p>
explicit quirk value (overrides the list if non-NULL)
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2956883"></a><h2>Description</h2><p>
Do some workaround for each pci device, such as renaming of the
headphone (true line-out) control as <span class="quote">“<span class="quote">Master</span>”</span>.
The quirk-list must be terminated with a zero-filled entry.
</p><p>
Returns zero if successful, or a negative error code on failure.
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