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+<table class="head">
+ <tr>
+ <td class="head-ltitle">SND_AI2S(4)</td>
+ <td class="head-vol">Device Drivers Manual (powerpc)</td>
+ <td class="head-rtitle">SND_AI2S(4)</td>
+ </tr>
+</table>
+<div class="manual-text">
+<section class="Sh">
+<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
+<p class="Pp"><code class="Nm">snd_ai2s</code> &#x2014; <span class="Nd">Apple
+ I2S audio device driver</span></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
+<p class="Pp">To compile this driver into the kernel, place the following lines
+ in your kernel configuration file:</p>
+<div class="Bd Pp Bd-indent"><code class="Cd">device sound</code>
+<br/>
+<code class="Cd">device snd_ai2s</code></div>
+<p class="Pp">Alternatively, to load the driver as a module at boot time, place
+ the following line in <a class="Xr">loader.conf(5)</a>:</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>snd_ai2s_load=&quot;YES&quot;</pre>
+</div>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+<p class="Pp">The <code class="Nm">snd_ai2s</code> driver provides support for
+ the Apple I2S audio controllers found predominantly in G4 and G5 machines,
+ along with the snapper and tumbler codecs. Some machines (e.g. the Mac Mini)
+ do not have configurable codecs and so lack hardware volume control.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
+<p class="Pp">Chips supported by the <code class="Nm">snd_ai2s</code> driver
+ include:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>Apple Tumbler Audio</li>
+ <li>Apple Snapper Audio</li>
+</ul>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
+ ALSO</a></h1>
+<p class="Pp"><a class="Xr">snd_davbus(4)</a>, <a class="Xr">sound(4)</a></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
+<p class="Pp">The <code class="Nm">snd_ai2s</code> device driver appeared in
+ <span class="Ux">NetBSD 2.0</span> and then in <span class="Ux">FreeBSD
+ 8.0</span>.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
+<p class="Pp">The <code class="Nm">snd_ai2s</code> driver was written by
+ <span class="An">Tsubai Masanari</span>
+ &lt;<a class="Mt" href="mailto:tsubai@netbsd.org">tsubai@netbsd.org</a>&gt;,
+ and ported to <span class="Ux">FreeBSD</span> by <span class="An">Marco
+ Trillo</span>
+ &lt;<a class="Mt" href="mailto:marcotrillo@gmail.com">marcotrillo@gmail.com</a>&gt;.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
+<p class="Pp">Recording and operation with non-44.1 Khz audio are not currently
+ supported.</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">January 20, 2009</td>
+ <td class="foot-os">FreeBSD 15.0</td>
+ </tr>
+</table>