Re: [RFC PATCH] ASoC: core: Optimise suspend/resume of DAPM widgets

From: Mark Brown
Date: Thu Aug 16 2018 - 06:51:50 EST


On Wed, Aug 15, 2018 at 07:48:47PM +0100, Jon Hunter wrote:

> So then I made the following change to avoid scheduling the function
> calls unnecessarily (which I think should be fine) ...

> Please note that I am just using ktime_get() to log the time on entry
> and exit from dapm_power_widgets() and so yes the time may not be
> purely the time take to execute this function if we are preempted,
> but I am measuring in the same way in both cases and so it does seem
> to show some improvement.

That seems like a simple and useful optimization, will you send a patch?

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