[alsa-devel] [PATCHv2 6/6] ASoC: da7213: Add default clock handling

[Mark Brown]

On Tue, Nov 26, 2019 at 04:55:39PM +0000, Adam Thomson wrote:
> On 21 November 2019 21:49, Adam Thomson wrote:
> > On 20 November 2019 15:24, Sebastian Reichel wrote:

> > I've thought more about this and for the scenario where a machine driver
> > controls the PLL through a DAPM widget associated with this codec (like some
> > Intel boards do), then the PLL will be configured once here and then again
> > when the relevant widget is called. I don't think that will matter but I will
> > take a further look just in case this might cause some oddities.

> So I don't see any issues per say with the PLL function being called twice in
> the example I mentioned. However it still feels a bit clunky; You either live
> with it or you have something in the machine driver to call the codec's PLL
> function early doors to prevent the bias_level() code of the codec controlling
> the PLL automatically. Am wondering though if there would be some use in having
> an indicator that simple-card is being used so we can avoid this? I guess we

If we're special casing simple-card we're doing it wrong - there's
nothing stopping any other machine driver behaving in the same way.
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