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<title>alsa::Ctl - Rust</title>
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<p class='location'>Struct Ctl</p><div class="block items"><ul><li><a href="#methods">Methods</a></li><li><a href="#implementations">Trait Implementations</a></li></ul></div><p class='location'><a href='index.html'>alsa</a></p><script>window.sidebarCurrent = {name: 'Ctl', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>alsa</a>::<wbr><a class="struct" href=''>Ctl</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../src/alsa/ctl_int.rs.html#21' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct Ctl(_);</pre><div class='docblock'><p><a href="http://www.alsa-project.org/alsa-doc/alsa-lib/group___control.html">snd_ctl_t</a> wrapper</p>
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</div><h2 id='methods'>Methods</h2><h3 class='impl'><span class='in-band'><code>impl <a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/alsa/ctl_int.rs.html#25-62' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.open' class="method"><span id='open.v' class='invisible'><code>fn <a href='#method.open' class='fnname'>open</a>(c: &<a class="struct" href="https://doc.rust-lang.org/nightly/std/ffi/c_str/struct.CStr.html" title="struct std::ffi::c_str::CStr">CStr</a>, nonblock: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a>></code></span></h4>
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<div class='docblock'><p>Open does not support async mode (it's not very Rustic anyway)</p>
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</div><h4 id='method.from_card' class="method"><span id='from_card.v' class='invisible'><code>fn <a href='#method.from_card' class='fnname'>from_card</a>(c: &<a class="struct" href="../alsa/card/struct.Card.html" title="struct alsa::card::Card">Card</a>, nonblock: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a>></code></span></h4>
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<h4 id='method.card_info' class="method"><span id='card_info.v' class='invisible'><code>fn <a href='#method.card_info' class='fnname'>card_info</a>(&self) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../alsa/ctl/struct.CardInfo.html" title="struct alsa::ctl::CardInfo">CardInfo</a>></code></span></h4>
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<h4 id='method.wait' class="method"><span id='wait.v' class='invisible'><code>fn <a href='#method.wait' class='fnname'>wait</a>(&self, timeout_ms: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>></code></span></h4>
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<h4 id='method.get_db_range' class="method"><span id='get_db_range.v' class='invisible'><code>fn <a href='#method.get_db_range' class='fnname'>get_db_range</a>(&self, id: &<a class="struct" href="../alsa/ctl/struct.ElemId.html" title="struct alsa::ctl::ElemId">ElemId</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../alsa/mixer/struct.MilliBel.html" title="struct alsa::mixer::MilliBel">MilliBel</a>, <a class="struct" href="../alsa/mixer/struct.MilliBel.html" title="struct alsa::mixer::MilliBel">MilliBel</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>></code></span></h4>
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<h4 id='method.convert_to_db' class="method"><span id='convert_to_db.v' class='invisible'><code>fn <a href='#method.convert_to_db' class='fnname'>convert_to_db</a>(&self, id: &<a class="struct" href="../alsa/ctl/struct.ElemId.html" title="struct alsa::ctl::ElemId">ElemId</a>, volume: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../alsa/mixer/struct.MilliBel.html" title="struct alsa::mixer::MilliBel">MilliBel</a>></code></span></h4>
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<h4 id='method.convert_from_db' class="method"><span id='convert_from_db.v' class='invisible'><code>fn <a href='#method.convert_from_db' class='fnname'>convert_from_db</a>(&self, id: &<a class="struct" href="../alsa/ctl/struct.ElemId.html" title="struct alsa::ctl::ElemId">ElemId</a>, mb: <a class="struct" href="../alsa/mixer/struct.MilliBel.html" title="struct alsa::mixer::MilliBel">MilliBel</a>, dir: <a class="enum" href="../alsa/enum.Round.html" title="enum alsa::Round">Round</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>></code></span></h4>
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</div><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/alsa/ctl_int.rs.html#23' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/alsa/ctl_int.rs.html#64-66' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.drop' class="method"><span id='drop.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop' class='fnname'>drop</a>(&mut self)</code></span></h4>
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<div class='docblock'><p>A method called when the value goes out of scope. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
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</div></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="../alsa/poll/trait.PollDescriptors.html" title="trait alsa::poll::PollDescriptors">PollDescriptors</a> for <a class="struct" href="../alsa/struct.Ctl.html" title="struct alsa::Ctl">Ctl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/alsa/ctl_int.rs.html#68-81' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.count' class="method"><span id='count.v' class='invisible'><code>fn <a href='../alsa/poll/trait.PollDescriptors.html#tymethod.count' class='fnname'>count</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code></span></h4>
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<h4 id='method.fill' class="method"><span id='fill.v' class='invisible'><code>fn <a href='../alsa/poll/trait.PollDescriptors.html#tymethod.fill' class='fnname'>fill</a>(&self, p: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="struct" href="../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code></span></h4>
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<h4 id='method.revents' class="method"><span id='revents.v' class='invisible'><code>fn <a href='../alsa/poll/trait.PollDescriptors.html#tymethod.revents' class='fnname'>revents</a>(&self, p: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../alsa/poll/struct.PollFlags.html" title="struct alsa::poll::PollFlags">PollFlags</a>></code></span></h4>
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<h4 id='method.get' class="method"><span id='get.v' class='invisible'><code>fn <a href='../alsa/poll/trait.PollDescriptors.html#method.get' class='fnname'>get</a>(&self) -> <a class="type" href="../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a>>></code></span></h4>
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<div class='docblock'><p>Wrapper around count and fill - returns an array of pollfds</p>
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