Hi Jonathan, jic23@xxxxxxxxxx wrote on Sun, 5 Sep 2021 16:34:06 +0100: > On Thu, 2 Sep 2021 23:14:26 +0200 > Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote: > > > Provide a list of ->available_scan_masks which match the device's > > capabilities. Basically, the devices is able to scan from 0 to N, N > > being the highest voltage channel requested by the user. The temperature > > can be included or not, but cannot be retrieved alone. > > > > The consequence is, instead of reading and pushing to the IIO buffers > > all channels each time, the "minimum" number of channels will be scanned > > and pushed based on the ->active_scan_mask. > > > > For example, if the user wants channels 1, 4 and 5, all channels from > > 0 to 5 will be scanned and pushed to the IIO buffers. The core will then > > filter out the unneeded samples based on the ->active_scan_mask that has > > been selected and only channels 1, 4 and 5 will be available to the user > > in the shared buffer. > > This explanation is excellent. If you are respinning it would be great > to have the essence of it as a comment alongside the code. > The bit about temp in particular was something I'd missed. No problem, I'll add a comment inline as well. > Nice optimization in general. Thanks! > Jonathan > Best regards, Miquèl
