[PATCH] ASoC: rt715: Add module parameter to fix dmic pop sound issue.

[Mark Brown]

On Wed, Sep 16, 2020 at 03:47:58PM -0500, Pierre-Louis Bossart wrote:
> From: Jack Yu <jack.yu at realtek.com>
> 
> Add module parameter "power_up_delay" to fix pop noise on capture. The
> power_up_delay value is set with a default value of 400ms, smaller
> values are not recommended.

Normally we would just add a delay in the driver unconditionally, why
make this a module paramter?  If there are board variations then we
should be getting them from board data, not forcing individual users to
bodge things with a module parameter.
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