V4L2_FL_USES_V4L2_FH - Linux

Symbol: V4L2_FL_USES_V4L2_FH

drivers/media/v4l2-core/v4l2-dev.c

if (WARN_ON(!test_bit(V4L2_FL_USES_V4L2_FH, &vdev->flags))) {

drivers/media/v4l2-core/v4l2-fh.c

set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags);