V4L2_MEMORY_USERPTR
BUILD_BUG_ON(VB2_MEMORY_USERPTR != (int)V4L2_MEMORY_USERPTR);
(reqbufs->memory != V4L2_MEMORY_USERPTR) &&
(buf->memory != V4L2_MEMORY_USERPTR) &&
case V4L2_MEMORY_USERPTR:
case V4L2_MEMORY_USERPTR:
case V4L2_MEMORY_USERPTR:
case V4L2_MEMORY_USERPTR:
case V4L2_MEMORY_USERPTR:
case V4L2_MEMORY_USERPTR:
[V4L2_MEMORY_USERPTR] = "userptr",