[alsa-devel] [PATCH 2/3] ASoC: rockchip: Make RK3328 GPIO_MUTE control explicit

[Mark Brown]

On Thu, Feb 06, 2020 at 12:36:04PM +0000, Robin Murphy wrote:
> On 2020-02-06 11:46 am, Mark Brown wrote:

> > This makes sense but it is an ABI break so is going to need
> > quirking for existing boards that unfortunately rely on the
> > existing behaviour.

> I guess the existing (mis)behaviour could be predicated on an
> of_machine_is_compatible() check for Rock64 boards - it's ugly, but should
> do the job if you feel it's more important to be 100% strict about not
> regressing supported systems for any possible kernel/DTB combination.

Yes, that's what I'm suggesting - we don't need to be exhaustive
but having an obvious place for people to put the quirk in if
they are affected is much better practice than just silently
letting things break.
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