__  __    __   __  _____      _            _          _____ _          _ _ 
 |  \/  |   \ \ / / |  __ \    (_)          | |        / ____| |        | | |
 | \  / |_ __\ V /  | |__) | __ ___   ____ _| |_ ___  | (___ | |__   ___| | |
 | |\/| | '__|> <   |  ___/ '__| \ \ / / _` | __/ _ \  \___ \| '_ \ / _ \ | |
 | |  | | |_ / . \  | |   | |  | |\ V / (_| | ||  __/  ____) | | | |  __/ | |
 |_|  |_|_(_)_/ \_\ |_|   |_|  |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<section id="alsa-soc-layer">
<h1>ALSA SoC Layer<a class="headerlink" href="#alsa-soc-layer" title="Link to this heading">¶</a></h1>
<p>The documentation is spilt into the following sections:-</p>
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<li class="toctree-l1"><a class="reference internal" href="overview.html">ALSA SoC Layer Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="overview.html#asoc-design">ASoC Design</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="codec.html">ASoC Codec Class Driver</a><ul>
<li class="toctree-l2"><a class="reference internal" href="codec.html#asoc-codec-driver-breakdown">ASoC Codec driver breakdown</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="dai.html">ASoC Digital Audio Interface (DAI)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="dai.html#ac97">AC97</a></li>
<li class="toctree-l2"><a class="reference internal" href="dai.html#i2s">I2S</a></li>
<li class="toctree-l2"><a class="reference internal" href="dai.html#pcm">PCM</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="dapm.html">Dynamic Audio Power Management for Portable Devices</a><ul>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#description">Description</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#dapm-power-domains">DAPM power domains</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#dapm-widgets">DAPM Widgets</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#registering-dapm-controls">Registering DAPM controls</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#codec-dsp-widget-interconnections">Codec/DSP Widget Interconnections</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#endpoint-widgets">Endpoint Widgets</a></li>
<li class="toctree-l2"><a class="reference internal" href="dapm.html#dapm-widget-events">DAPM Widget Events</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="platform.html">ASoC Platform Driver</a><ul>
<li class="toctree-l2"><a class="reference internal" href="platform.html#audio-dma">Audio DMA</a></li>
<li class="toctree-l2"><a class="reference internal" href="platform.html#soc-dai-drivers">SoC DAI Drivers</a></li>
<li class="toctree-l2"><a class="reference internal" href="platform.html#soc-dsp-drivers">SoC DSP Drivers</a></li>
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<li class="toctree-l1"><a class="reference internal" href="machine.html">ASoC Machine Driver</a><ul>
<li class="toctree-l2"><a class="reference internal" href="machine.html#probe-remove">probe()/remove()</a></li>
<li class="toctree-l2"><a class="reference internal" href="machine.html#suspend-resume">suspend()/resume()</a></li>
<li class="toctree-l2"><a class="reference internal" href="machine.html#machine-dai-configuration">Machine DAI Configuration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="machine.html#machine-controls">Machine Controls</a></li>
<li class="toctree-l2"><a class="reference internal" href="machine.html#clocking-controls">Clocking Controls</a></li>
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<li class="toctree-l1"><a class="reference internal" href="pops-clicks.html">Audio Pops and Clicks</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pops-clicks.html#minimising-playback-pops-and-clicks">Minimising Playback Pops and Clicks</a></li>
<li class="toctree-l2"><a class="reference internal" href="pops-clicks.html#minimising-capture-pops-and-clicks">Minimising Capture Pops and Clicks</a></li>
<li class="toctree-l2"><a class="reference internal" href="pops-clicks.html#zipper-noise">Zipper Noise</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="clocking.html">Audio Clocking</a><ul>
<li class="toctree-l2"><a class="reference internal" href="clocking.html#master-clock">Master Clock</a></li>
<li class="toctree-l2"><a class="reference internal" href="clocking.html#dai-clocks">DAI Clocks</a></li>
<li class="toctree-l2"><a class="reference internal" href="clocking.html#asoc-provided-clock-apis">ASoC provided clock APIs</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="jack.html">ASoC jack detection</a><ul>
<li class="toctree-l2"><a class="reference internal" href="jack.html#the-jack-struct-snd-soc-jack">The jack - struct snd_soc_jack</a></li>
<li class="toctree-l2"><a class="reference internal" href="jack.html#snd-soc-jack-pin">snd_soc_jack_pin</a></li>
<li class="toctree-l2"><a class="reference internal" href="jack.html#jack-detection-methods">Jack detection methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="jack.html#machine-drivers">Machine drivers</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="dpcm.html">Dynamic PCM</a><ul>
<li class="toctree-l2"><a class="reference internal" href="dpcm.html#description">Description</a></li>
<li class="toctree-l2"><a class="reference internal" href="dpcm.html#dpcm-machine-driver">DPCM machine driver</a></li>
<li class="toctree-l2"><a class="reference internal" href="dpcm.html#writing-a-dpcm-dsp-driver">Writing a DPCM DSP driver</a></li>
<li class="toctree-l2"><a class="reference internal" href="dpcm.html#hostless-pcm-streams">Hostless PCM streams</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="codec-to-codec.html">Creating codec to codec dai link for ALSA dapm</a></li>
<li class="toctree-l1"><a class="reference internal" href="usb.html">ASoC USB support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="usb.html#overview">Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="usb.html#soc-usb-driver">SoC USB driver</a></li>
<li class="toctree-l2"><a class="reference internal" href="usb.html#usb-offload-related-kcontrols">USB Offload Related Kcontrols</a></li>
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