Messages in this thread | | | Date | Sat, 1 Mar 2008 21:27:09 -0500 | From | "Lee Revell" <> | Subject | Re: [RFC][PATCH] cpuidle: avoid singing capacitors |
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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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