Re: [RFC][PATCH] cpuidle: avoid singing capacitors



Pierre Ossman 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.

Capacitors or transistors? The subject and the description disagree.

Alan
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Relevant Pages

  • Re: [RFC][PATCH] cpuidle: avoid singing capacitors
    ... transistors are a common problem. ... by power fluctuations as the processor enters and leaves deep sleep at ... The coils can vibrate against the coil if they haven't been properly potted in something. ... Capacitors don't really have anything which can "sing". ...
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  • Re: [RFC][PATCH] cpuidle: avoid singing capacitors
    ... A high-pitch noise is created, ... by power fluctuations as the processor enters and leaves deep sleep at ... a high frequency. ... Instead of just disabling the deep sleep. ...
    (Linux-Kernel)