<blockquote>
<p>For the function name, I'd suggest <code>gpio_util_shiftin()</code>.</p>
</blockquote>
<p>Sounds good to me.<br>
The path sounds reasonable. If <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=317506" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/gebart">@gebart</a> confirms it, I will move it and add docs to it.</p>

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