Hi Stefan, 

A few months ago, you asked me whether it was possible to prevent the
OS from waking up your process each time a few bytes were
acquired. You came with the idea to implement a wake-up threshold below
which the user space process is kept in sleep state.

A few days ago, I updated my experimental branch: two new user-space
functions were added: a4l_set_wakesize() and
a4l_get_wakesize(). Thanks to them, you will be able to configure the
wished behaviour.

I hope this will help you.

-- 
Alexis.

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