[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 bugzilla-daemon at freedesktop.org
Tue Oct 21 02:44:14 PDT 2014


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

--- Comment #83 from HiFiBerry <info at hifiberry.com> ---
> 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

Can this be disabled? If yes, how?

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