It seems to me the problem is with hasciicam and not UVC. UVC is a v4l2 device, and as far as i can tell, VIDIOCGMBUF is a v4l1 ioctl. Should a v4l1 compatability layer be implemented in UVC, or should the ioctl be updated in hasciicam? I'm not sure.
It seems to me the problem is with hasciicam and not UVC. UVC is a v4l2 device, and as far as i can tell, VIDIOCGMBUF is a v4l1 ioctl. Should a v4l1 compatability layer be implemented in UVC, or should the ioctl be updated in hasciicam? I'm not sure.