Hi Mark On Fri, Sep 11, 2020 at 6:43 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Fri, Sep 11, 2020 at 04:30:48PM +0800, Shengjiu Wang wrote: > > > Add a new kcontrol for ak4497 codec for ak4497 has a specific > > pin selection. > > What exactly is this pin selection about - is it something that will > change at runtime or should it be configured by the board in the DT? It is to select which pin group is used for DSD. it won't be changed at runtime. So do you think it is better configured by DT? best regards wang shengjiu