diff options
Diffstat (limited to 'static/freebsd/man4/snd_maestro3.4 3.html')
| -rw-r--r-- | static/freebsd/man4/snd_maestro3.4 3.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/static/freebsd/man4/snd_maestro3.4 3.html b/static/freebsd/man4/snd_maestro3.4 3.html new file mode 100644 index 00000000..a0fbfec1 --- /dev/null +++ b/static/freebsd/man4/snd_maestro3.4 3.html @@ -0,0 +1,86 @@ +<table class="head"> + <tr> + <td class="head-ltitle">SND_MAESTRO3(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">SND_MAESTRO3(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_maestro3</code> — <span class="Nd">ESS + Maestro3/Allegro-1 bridge 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_maestro3</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_maestro3_load="YES"</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_maestro3</code> driver provides support + for the ESS Maestro3 and Allegro-1 sound chips under the PCM framework. + These chips are mostly found in laptop computers and feature an AC97 mixer, + a multi-channel sample rate converter that can mix up to four digital audio + streams in hardware, recording support, and external volume control + buttons.</p> +<p class="Pp">The firmware for the sound processor is licensed under the GNU + Public License, and thus this driver is not included in the default + <span class="Pa">GENERIC</span> kernel.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1> +<p class="Pp">The <code class="Nm">snd_maestro3</code> driver supports the + following audio devices:</p> +<p class="Pp"></p> +<ul class="Bl-bullet Bl-compact"> + <li>ESS Technology Allegro-1</li> + <li>ESS Technology Maestro3</li> +</ul> +</section> +<section class="Sh"> +<h1 class="Sh" id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">DIAGNOSTICS</a></h1> +<p class="Pp">The hardware volume control buttons can be connected to two + different pin sets (GPIO or GD) on the chip, depending on the manufacturer. + The driver has no way of determining this configuration, so a hint may be + used to override the default guess. The default setting for hardware volume + control assumes that GD pins are wired to control the hardware volume. For + systems that have the GPIO pins wired to the hardware volume control + buttons, add the line + “<code class="Li">hint.pcm.0.hwvol_config="0"</code>” + to the file <span class="Pa">/boot/device.hints</span> to override the + default setting.</p> +</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">sound(4)</a>, <a class="Xr">loader.conf(5)</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_maestro3</code> driver first appeared in + <span class="Ux">FreeBSD 4.3</span>.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp"><span class="An">Scott Long</span> + <<a class="Mt" href="mailto:scottl@FreeBSD.org">scottl@FreeBSD.org</a>> + <br/> + <span class="An">Darrel Anderson</span> + <<a class="Mt" href="mailto:anderson@cs.duke.edu">anderson@cs.duke.edu</a>></p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">December 15, 2005</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |