On Fri, Nov 12, 2021 at 4:50 PM Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote: > > HI James > > You are getting -EPROTO while trying to get the current value of a > control. I believe this is a hardware/firmware error. Hmm, any idea why v4l2-compliance passes some of the time but not always? > > > Best regards!