[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 #30 from Raymond <superquad.vortex2 at gmail.com> ---
http://mailman.alsa-project.org/pipermail/alsa-devel/2014-September/081501.html

you can try Alexander's pcm_avail.c to find out whether you sound card can
report DMA_RESIDUE_GRANULARITY_SEGMENT or DMA_RESIDUE_GRANULARITY_BURST ?

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