Re: [PATCH AUTOSEL for 4.9 31/56] ASoC: da7218: Set DAI output pin high impedance when not in use

[Mark Brown]

On Wed, Nov 15, 2017 at 04:55:03PM +0000, Adam Thomson wrote:
> On 15 November 2017 16:43, alexander.levin@xxxxxxxxxxx wrote:

> > The idea I got from the patch is that output will not be working if
> > there are multiple codecs?

> Yes, if there are multiple codecs sharing the same DAI line for capture as
> DA7217/8, and we don't set this to high impedance, then it will interfere with
> the other codecs' capture data.

...which means that any existing stable users who are affected must have
their own fix, it just wouldn't have worked.

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