[alsa-devel] [RFC 05/15] ASoC: rt5677: Auto enable/disable DSP for hotwording

[Mark Brown]

On Fri, Sep 06, 2019 at 12:46:27PM -0700, Curtis Malainey wrote:
> From: Ben Zhang <benzh at chromium.org>
> 
> The kcontrol 'DSP VAD Switch' is automatically enabled/disabled
> when the hotwording PCM stream is opened/closed.

So why do we have the switch?
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