UVC_VS_FRAME_FRAME_BASED
if (ftype != UVC_VS_FRAME_FRAME_BASED)
if (ftype != UVC_VS_FRAME_FRAME_BASED) {
ftype = UVC_VS_FRAME_FRAME_BASED;
case UVC_VS_FRAME_FRAME_BASED:
h->frame.b_descriptor_subtype = UVC_VS_FRAME_FRAME_BASED;