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<h3>
PulseAudio Marge Bot pushed to branch master
at <a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio">PulseAudio / pulseaudio</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/commit/e3f2c25face8f964827f75dbc8fd766fc02aaf6d">e3f2c25f</a></strong>
<div>
<span>by Tanu Kaskinen</span>
<i>at 2020-12-14T19:31:28+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">alsa-mixer: Pick at most one fallback mapping
The old behaviour was such that if none of the normal mappings worked,
we would probe ALL fallbacks. I don't think that makes sense, and it
caused concrete issues: let's say we have a regular stereo mic device,
but there's no "front" PCM defined for it. In this situation we would
probe the stereo-fallback mapping (which uses "hw" instead of "front"),
and it would work, but then we'd also probe the "multichannel-input"
mapping, which would also work, so we end up with two mappings that
don't have any difference in behaviour.
I think it's better to simply pick the first working fallback and ignore
the rest.
Fixes: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/901
(issue is marked as confidential due to unreleased hardware)
Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/304>
</pre>
</li>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#b62939186b90a0131e4e5a52332a49d9e9b00513">
src/modules/alsa/alsa-mixer.c
</a>
</li>
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<h4>Changes:</h4>
<li id="b62939186b90a0131e4e5a52332a49d9e9b00513">
<a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/commit/e3f2c25face8f964827f75dbc8fd766fc02aaf6d#b62939186b90a0131e4e5a52332a49d9e9b00513"><strong>src/modules/alsa/alsa-mixer.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -5155,14 +5155,14 @@ void pa_alsa_profile_set_probe(</td>
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5155
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<pre style="margin: 0;"> <span id="LC5155" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">output_mappings</span><span class="p">)</span></span>
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5156
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5156
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<pre style="margin: 0;"> <span id="LC5156" class="line" lang="c"> <span class="n" style="color: #333;">PA_IDXSET_FOREACH</span><span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">output_mappings</span><span class="p">,</span> <span class="n" style="color: #333;">idx</span><span class="p">)</span></span>
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5157
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5157
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<pre style="margin: 0;"> <span id="LC5157" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">m</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">output_pcm</span><span class="p">)</span> <span class="p">{</span></span>
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5158
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<pre style="margin: 0;">-<span id="LC5158" class="line" lang="c"> <span class="n" style="color: #333;">found_output</span> <span class="o" style="font-weight: 600;"><span class="idiff left">|=</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!</span></span><span class="n" style="color: #333;"><span class="idiff">p</span></span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="n" style="color: #333;"><span class="idiff right">fallback_output</span></span><span class="p">;</span></span>
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5158
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<pre style="margin: 0;">+<span id="LC5158" class="line" lang="c"> <span class="n" style="color: #333;">found_output</span> <span class="o" style="font-weight: 600;"><span class="idiff left">=</span></span><span class="idiff"> </span><span class="nb" style="color: #0086b3;"><span class="idiff right">true</span></span><span class="p">;</span></span>
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5159
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5159
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<pre style="margin: 0;"> <span id="LC5159" class="line" lang="c"> <span class="n" style="color: #333;">mapping_paths_probe</span><span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="n" style="color: #333;">PA_ALSA_DIRECTION_OUTPUT</span><span class="p">,</span> <span class="n" style="color: #333;">used_paths</span><span class="p">,</span> <span class="n" style="color: #333;">mixers</span><span class="p">);</span></span>
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5160
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5160
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<pre style="margin: 0;"> <span id="LC5160" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC5161" class="line" lang="c"></span>
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5162
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5162
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<pre style="margin: 0;"> <span id="LC5162" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">input_mappings</span><span class="p">)</span></span>
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5163
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5163
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<pre style="margin: 0;"> <span id="LC5163" class="line" lang="c"> <span class="n" style="color: #333;">PA_IDXSET_FOREACH</span><span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">input_mappings</span><span class="p">,</span> <span class="n" style="color: #333;">idx</span><span class="p">)</span></span>
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5164
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5164
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<pre style="margin: 0;"> <span id="LC5164" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">m</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">input_pcm</span><span class="p">)</span> <span class="p">{</span></span>
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5165
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<pre style="margin: 0;">-<span id="LC5165" class="line" lang="c"> <span class="n" style="color: #333;">found_input</span> <span class="o" style="font-weight: 600;"><span class="idiff left">|=</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!</span></span><span class="n" style="color: #333;"><span class="idiff">p</span></span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="n" style="color: #333;"><span class="idiff right">fallback_input</span></span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC5165" class="line" lang="c"> <span class="n" style="color: #333;">found_input</span> <span class="o" style="font-weight: 600;"><span class="idiff left">=</span></span><span class="idiff"> </span><span class="nb" style="color: #0086b3;"><span class="idiff right">true</span></span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC5166" class="line" lang="c"> <span class="n" style="color: #333;">mapping_paths_probe</span><span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="n" style="color: #333;">PA_ALSA_DIRECTION_INPUT</span><span class="p">,</span> <span class="n" style="color: #333;">used_paths</span><span class="p">,</span> <span class="n" style="color: #333;">mixers</span><span class="p">);</span></span>
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5167
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5167
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<pre style="margin: 0;"> <span id="LC5167" class="line" lang="c"> <span class="p">}</span></span>
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5168
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<pre style="margin: 0;"> <span id="LC5168" class="line" lang="c"> <span class="p">}</span></span>
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