On Fri, Oct 28, 2022 at 12:56:16PM +0100, Mark Brown wrote: > On Fri, Oct 28, 2022 at 06:24:49PM +0800, Ajye Huang wrote: > > Document dmic_sel-gpios optional prop for switching between two DMICs. > > Ex, the GPIO can control a MUX to select Front or Rear dmic. > > > + dmic_sel-gpios: s/_/-/ > > + maxItems: 1 > > + description: GPIO for switching between DMICs, ex Front/Rear dmic > > + > > If we're going to do this we should also allow the bindings to label the > mics appropriately so that the control presented can reflect the actual > hardware. It does feel like it might fit better to do this separately > to the DMIC driver as a mux between the DMIC and the DAI it's connected > to but equally with the way things are at the minute that feels like > it's probably disproportionate effort. Are there other needs for DAI muxes? We already have a mux binding, so defining a DAI mux would work for any type of muxing control, not just GPIO. Rob