On Sat, Sep 28, 2024 at 8:30 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote: ... > > We have quite a few parts in the pipline right like this one that have > > per-sample status bits. In the past, these were generally handled with > > IIO events, but this doesn't really work for these high-speed backends > > since the data is being piped directly to DMA and we don't look at > > each sample in the ADC driver. So it would be worthwhile to try to > > find some general solution here for handling this sort of thing. > > We have previously talked about schemes to describe metadata > alongside channels. I guess maybe it's time to actually look at how > that works. I'm not sure dynamic control of that metadata > is going to be easy to do though or if we even want to > (as opposed to always on or off for a particular device). Time for the kernel to return JSON on a per channel basis? Just saying :-) -- With Best Regards, Andy Shevchenko
