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SubjectRe: [RFC][PATCH] cpuidle: avoid singing capacitors
On Fri, Feb 29, 2008 at 1:38 PM, Pierre Ossman <drzeus-list@drzeus.cx> wrote:
> Many devices today are of a less than stellar quality, and singing
> transistors are a common problem. A high-pitch noise is created, caused
> by power fluctuations as the processor enters and leaves deep sleep at
> a high frequency.
>
> Instead of just disabling the deep sleep (which wastes power). This
> patch merely reduces the number of times it is entered so that the
> frequency doesn't exceed 500 Hz. That should make sure the problem is
> inaudible.

Should there be a comment stating the motivation for the change?

Thanks for trying to address this problem, I know many users who are afflicted.

Lee


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