VIDIOC_SUBSCRIBE_EVENT 584 drivers/media/v4l2-core/v4l2-dev.c SET_VALID_IOCTL(ops, VIDIOC_SUBSCRIBE_EVENT, vidioc_subscribe_event); VIDIOC_SUBSCRIBE_EVENT 2765 drivers/media/v4l2-core/v4l2-ioctl.c IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), VIDIOC_SUBSCRIBE_EVENT 395 drivers/media/v4l2-core/v4l2-subdev.c case VIDIOC_SUBSCRIBE_EVENT: