[alsa-devel] [PATCH 1/4] ASoC: wm8960: codec mclk should be enabled early to avoid jack detect error

[Mark Brown]

On Fri, Jun 12, 2015 at 02:32:33PM +0800, Zidan Wang wrote:

> I have done some test today, and found that after mclk enable, we should delay
> at least 150ms to prepare the jack detect function. So no need to move mclk
> enable to startup.

No, this makes no sense - jack detection is not related to playback at
all.  The system should be able to detect if something is connected at
any time.  What this says is that you need to keep MCLK enabled while
jack detection is available.
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