On Fri, May 29, 2020 at 9:05 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Fri, May 29, 2020 at 07:22:43PM +0800, Tzung-Bi Shih wrote: > > On Fri, May 29, 2020 at 7:09 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > > > What is DMIC one wire mode? This doesn't sound like something I'd > > > expect to vary at runtime. > > > It means: 1 PDM data wire carries 2 channel data (rising edge for left > > and falling edge for right). > > I thought that was normal for DMICs - is this selecting between left and > right or something? Not sure what is the common name but use the same context here. MT6358 accepts up to 2 PDM wires for 2 DMICs. If one wire mode is on, MT6358 only accepts 1 PDM wire. If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1 I2S-like to SoC.
