Re: Generic battery interface

Pavel Machek
2006-07-30T09:19:44Z

Hi!

> > I do not understand this. Any polling (in kernel or in userspace) will
> > wake the CPU, wasting power.
>
> The kernel, however, has all the gory details at hand, and can decide
> much better about the polling frequency, than the (hopefully) hardware
> agnostic userspace.
>
> Imagine your Zaurus: You don't need to poll very often when you are on
> the flat part of the LiIon discharge curve, you probably want more
> detailed info near the end.

OTOH some applications just want more frequent polling than
others. Shem's "first update after N msec" solution looks most
flexible here.
Pavel
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