the v4l2 spec says that setting time per frame to zero should reset time per frame to the default, so do that instead of returning EINVAL
the v4l2 spec says that setting time per frame to zero should reset time
per frame to the default, so do that instead of returning EINVAL

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars