vidioc_query_ext_ctrl 1490 drivers/media/usb/uvc/uvc_v4l2.c .vidioc_query_ext_ctrl = uvc_ioctl_query_ext_ctrl, vidioc_query_ext_ctrl 885 drivers/media/v4l2-core/v4l2-compat-ioctl32.c if (!ops || !ops->vidioc_query_ext_ctrl) vidioc_query_ext_ctrl 888 drivers/media/v4l2-core/v4l2-compat-ioctl32.c return !ops->vidioc_query_ext_ctrl(file, fh, &qec) && vidioc_query_ext_ctrl 560 drivers/media/v4l2-core/v4l2-dev.c if (vdev->ctrl_handler || ops->vidioc_query_ext_ctrl) vidioc_query_ext_ctrl 2102 drivers/media/v4l2-core/v4l2-ioctl.c if (ops->vidioc_query_ext_ctrl) vidioc_query_ext_ctrl 2103 drivers/media/v4l2-core/v4l2-ioctl.c return ops->vidioc_query_ext_ctrl(file, fh, p); vidioc_query_ext_ctrl 462 include/media/v4l2-ioctl.h int (*vidioc_query_ext_ctrl)(struct file *file, void *fh,