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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84585#c76">Comment # 76</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84585">bug 84585</a>
from <span class="vcard"><a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> <span class="fn">Raymond</span></a>
</span></b>
<pre>do you mean you cannot find any alsa error messages in system log ?
<a href="http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/3.0/">http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/3.0/</a>
any reason to use timer scheduling
if your sound card does not support disable period wakeup since the io thread
will be wakup when hwptr at period bounary
cpu won't sleep 1980 ms and wakeup 20ms before the buffer is empty</pre>
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