VIDIOC_QUERYCAP 550 drivers/media/v4l2-core/v4l2-dev.c SET_VALID_IOCTL(ops, VIDIOC_QUERYCAP, vidioc_querycap); VIDIOC_QUERYCAP 2693 drivers/media/v4l2-core/v4l2-ioctl.c IOCTL_INFO(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), VIDIOC_QUERYCAP 1087 drivers/video/fbdev/matrox/matroxfb_base.c case VIDIOC_QUERYCAP: VIDIOC_QUERYCAP 86 tools/testing/selftests/media_tests/video_device_test.c ret = ioctl(fd, VIDIOC_QUERYCAP, &vcap);