[pulseaudio-tickets] [Bug 84585] Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84585

--- Comment #76 from Raymond <superquad.vortex2 at gmail.com> ---
do you mean you cannot find any alsa error messages in system log ?


http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/3.0/

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

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