[alsa-devel] Need help fixing pop/click artifacts in an ASOC driver

[Mark Brown]

On Mon, Dec 17, 2018 at 02:17:45PM +0200, Dimitris Papavasiliou wrote:

> Even worse, it would let the pop through at full volume, as it
> doesn't depend on the gain.  Still, there doesn't seem to be a
> safe way to avoid the pop altogether, as far as I can see, since
> the only way I have found to avoid it, is to suspend the chip
> during the switch, and I can't synchronize access to the relevant
> register by the machine and CODEC drivers.

> If you have any other ideas/pointers on approaches I could
> investigate, please let me know.

If you're doing this during DAPM there shouldn't be anything else
running on the card at the time.
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