On Wed, Jul 15, 2020 at 03:05:19PM +0100, Mark Brown wrote: > On Tue, Jul 14, 2020 at 01:50:50PM -0700, Nicolin Chen wrote: > > On Tue, Jul 14, 2020 at 09:27:53PM +0100, Mark Brown wrote: > > > > The nominal rate might be the same but if they're in different clock > > > domains then the actual rates might be different (hence the desire for > > > an ASRC I guess). I can see the system wanting to choose one clock or > > > the other on the basis of some system specific property (quality of the > > > clock sources, tolerances of the devices involved or something) though > > > it's a rather fun edge case configuration :/ . > > > Thanks for the input. Fox i.MX6, I don't feel it would be that > > drastically different though. And both SSI1 and SSI2 can simply > > select the same root clock source to avoid that happen. > > If you've got two radios that both need to sync to some radio derived > frequency it gets a bit more entertaining. I'm simply curious what could be a problem. Do you mind educating me a bit? And ASRC here isn't a radio but a sample rate converter working as a BE in DPCM setup, using radio-capture for example...