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<h3>
Arun Raghavan 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/734a00c849815a45697970d593068c301a04ebbb">734a00c8</a></strong>
<div>
<span>by Kai-Heng Feng</span>
<i>at 2019-12-10T08:16:18Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">alsa: Skip resume PCM if hardware doesn't support it
Hardwares without SNDRV_PCM_INFO_RESUME capability, like USB Audio,
don't support snd_pcm_resume() when it's in suspended state.
Let's use snd_pcm_hw_params_can_resume() to check hardware's capability
before snd_pcm_resume() attempt. If it doesn't support resume, just go
to snd_pcm_drop() to leave suspended state directly.
</pre>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#3ac06ce22ce83ead012b5ee8edbdadc1e0bfa5cb">
src/modules/alsa/alsa-util.c
</a>
</li>
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<h4>Changes:</h4>
<li id="3ac06ce22ce83ead012b5ee8edbdadc1e0bfa5cb">
<a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/734a00c849815a45697970d593068c301a04ebbb#3ac06ce22ce83ead012b5ee8edbdadc1e0bfa5cb"><strong>src/modules/alsa/alsa-util.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1066,6 +1066,7 @@ void pa_alsa_init_proplist_ctl(pa_proplist *p, const char *name) {</td>
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1066
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<td class="diff-line-num new_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1066
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<pre style="margin: 0;"> <span id="LC1066" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="1067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1067
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<td class="diff-line-num new_line" data-linenumber="1067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1067
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<pre style="margin: 0;"> <span id="LC1067" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="nf" style="color: #900; font-weight: 600;">pa_alsa_recover_from_poll</span><span class="p">(</span><span class="n" style="color: #333;">snd_pcm_t</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">pcm</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">revents</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1068
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<td class="diff-line-num new_line" data-linenumber="1068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1068
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<pre style="margin: 0;"> <span id="LC1068" class="line" lang="c"> <span class="n" style="color: #333;">snd_pcm_state_t</span> <span class="n" style="color: #333;">state</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1069
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<pre style="margin: 0;">+<span id="LC1069" class="line" lang="c"> <span class="n" style="color: #333;">snd_pcm_hw_params_t</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">hwparams</span><span class="p">;</span></span>
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1069
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<td class="diff-line-num new_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1070
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<pre style="margin: 0;"> <span id="LC1070" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">err</span><span class="p">;</span></span>
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1070
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<td class="diff-line-num new_line" data-linenumber="1071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1071
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<pre style="margin: 0;"> <span id="LC1071" class="line" lang="c"></span>
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1071
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1072
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<pre style="margin: 0;"> <span id="LC1072" class="line" lang="c"> <span class="n" style="color: #333;">pa_assert</span><span class="p">(</span><span class="n" style="color: #333;">pcm</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1103,16 +1104,25 @@ int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents) {</td>
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1103
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<td class="diff-line-num new_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1104
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<pre style="margin: 0;"> <span id="LC1104" class="line" lang="c"> <span class="k" style="font-weight: 600;">break</span><span class="p">;</span></span>
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1104
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<td class="diff-line-num new_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1105
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<pre style="margin: 0;"> <span id="LC1105" class="line" lang="c"></span>
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1105
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<td class="diff-line-num new_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1106
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<pre style="margin: 0;"> <span id="LC1106" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">SND_PCM_STATE_SUSPENDED</span><span class="p">:</span></span>
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1106
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<td class="diff-line-num new_line old" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1106" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Retry resume 3 times before giving up, then fallback to restarting the stream. */</span></span>
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1107
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<td class="diff-line-num new_line old" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1107" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">3</span><span class="p">;</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">++</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1108
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<td class="diff-line-num new_line old" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1108" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">((</span><span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">snd_pcm_resume</span><span class="p">(</span><span class="n" style="color: #333;">pcm</span><span class="p">))</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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1109
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<pre style="margin: 0;">-<span id="LC1109" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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1110
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<pre style="margin: 0;">-<span id="LC1110" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">-</span><span class="n" style="color: #333;">EAGAIN</span><span class="p">)</span></span>
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1111
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<pre style="margin: 0;">-<span id="LC1111" class="line" lang="c"> <span class="k" style="font-weight: 600;">break</span><span class="p">;</span></span>
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1112
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<pre style="margin: 0;">-<span id="LC1112" class="line" lang="c"> <span class="n" style="color: #333;">pa_msleep</span><span class="p">(</span><span class="mi" style="color: #099;">25</span><span class="p">);</span></span>
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1107
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<pre style="margin: 0;">+<span id="LC1107" class="line" lang="c"> <span class="n" style="color: #333;">snd_pcm_hw_params_alloca</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">hwparams</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1108
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<pre style="margin: 0;">+<span id="LC1108" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1109
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<pre style="margin: 0;">+<span id="LC1109" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">((</span><span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">snd_pcm_hw_params_any</span><span class="p">(</span><span class="n" style="color: #333;">pcm</span><span class="p">,</span> <span class="n" style="color: #333;">hwparams</span><span class="p">))</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1110
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<pre style="margin: 0;">+<span id="LC1110" class="line" lang="c"> <span class="n" style="color: #333;">pa_log_debug</span><span class="p">(</span><span class="s" style="color: #d14;">"snd_pcm_hw_params_any() failed: %s"</span><span class="p">,</span> <span class="n" style="color: #333;">pa_alsa_strerror</span><span class="p">(</span><span class="n" style="color: #333;">err</span><span class="p">));</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1111
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<pre style="margin: 0;">+<span id="LC1111" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">;</span></span>
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1113
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1112
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<pre style="margin: 0;"> <span id="LC1112" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1114
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<td class="diff-line-num new_line old" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1114" class="line" lang="c"> <span class="n" style="color: #333;">pa_log_warn</span><span class="p">(</span><span class="s" style="color: #d14;">"Could not recover alsa device from SUSPENDED state, trying to restart PCM"</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1115
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<td class="diff-line-num new_line old" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1115" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Fall through */</span></span>
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1113
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<pre style="margin: 0;">+<span id="LC1113" class="line" lang="c"></span>
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1114
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<pre style="margin: 0;">+<span id="LC1114" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">snd_pcm_hw_params_can_resume</span><span class="p">(</span><span class="n" style="color: #333;">hwparams</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1115
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<pre style="margin: 0;">+<span id="LC1115" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Retry resume 3 times before giving up, then fallback to restarting the stream. */</span></span>
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1116
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<pre style="margin: 0;">+<span id="LC1116" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">3</span><span class="p">;</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">++</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1117
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<pre style="margin: 0;">+<span id="LC1117" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">((</span><span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">snd_pcm_resume</span><span class="p">(</span><span class="n" style="color: #333;">pcm</span><span class="p">))</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1118
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<pre style="margin: 0;">+<span id="LC1118" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1119
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<pre style="margin: 0;">+<span id="LC1119" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">-</span><span class="n" style="color: #333;">EAGAIN</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1120
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<pre style="margin: 0;">+<span id="LC1120" class="line" lang="c"> <span class="k" style="font-weight: 600;">break</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1121
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<pre style="margin: 0;">+<span id="LC1121" class="line" lang="c"> <span class="n" style="color: #333;">pa_msleep</span><span class="p">(</span><span class="mi" style="color: #099;">25</span><span class="p">);</span></span>
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1122
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<pre style="margin: 0;">+<span id="LC1122" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1123
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<pre style="margin: 0;">+<span id="LC1123" class="line" lang="c"> <span class="n" style="color: #333;">pa_log_warn</span><span class="p">(</span><span class="s" style="color: #d14;">"Could not recover alsa device from SUSPENDED state, trying to restart PCM"</span><span class="p">);</span></span>
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1124
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<pre style="margin: 0;">+<span id="LC1124" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1125
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<pre style="margin: 0;">+<span id="LC1125" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Fall through */</span></span>
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1116
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1126
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<pre style="margin: 0;"> <span id="LC1126" class="line" lang="c"></span>
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1117
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1127
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<pre style="margin: 0;"> <span id="LC1127" class="line" lang="c"> <span class="nl">default:</span></span>
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1118
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1128
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<pre style="margin: 0;"> <span id="LC1128" class="line" lang="c"></span>
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