vidioc_querymenu 820 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c .vidioc_querymenu = pvr2_querymenu, vidioc_querymenu 1496 drivers/media/usb/uvc/uvc_v4l2.c .vidioc_querymenu = uvc_ioctl_querymenu, vidioc_querymenu 572 drivers/media/v4l2-core/v4l2-dev.c if (vdev->ctrl_handler || ops->vidioc_querymenu) vidioc_querymenu 2119 drivers/media/v4l2-core/v4l2-ioctl.c if (ops->vidioc_querymenu) vidioc_querymenu 2120 drivers/media/v4l2-core/v4l2-ioctl.c return ops->vidioc_querymenu(file, fh, p); vidioc_querymenu 474 include/media/v4l2-ioctl.h int (*vidioc_querymenu)(struct file *file, void *fh,