On Wed, Jan 20, 2021 at 05:12:18PM +0800, shumingf@xxxxxxxxxxx wrote: > From: Shuming Fan <shumingf@xxxxxxxxxxx> > > The application circuit shall provide MICVDD power. > In default, the codec driver doesn't need to enable LDO2 power. > In case, the customers use VBAT for micbias, it should enable the device property "realtek,ldo2-pow-en". Given that this is just adding a DAPM route I think we can just skip the property and instead simply leave the LDO registered but not connected in the DAPM graph, if a board wants to use it then it can just add a route from the LDO to the relevant input like is currently hard coded in the board file.
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