[ltp] Re: Generic battery interface

[linux-thinkpad@linux-thinkpad.org]

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On Fri, 28 Jul 2006 18:38:13 +0300, Shem Multinymous said:
>
> Another example: on my ThinkPad, the readouts provided by the EC
> change only every 2 seconds, regardless of how much you poll it.
> 
> Hence my proposal for a polling-based interface with kernel-side
> caching. This way, the hardware query rate is the minimum of two
> rates: what the application can use and what the kernel thinks is the
> hardware's change rate.

Is there a reliable (or hack-worthy) way for the kernel to determine how
often the values are re-posted by the hardware?

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