Symbol: v4l2_is_xfer_func_valid
drivers/media/test-drivers/vivid/vivid-vid-cap.c
640
if (!user_set_csc || !v4l2_is_xfer_func_valid(mp->xfer_func))
drivers/media/v4l2-core/v4l2-ioctl.c
1033
if (!v4l2_is_xfer_func_valid(*xfer_func))