v4l2-compliance -m /dev/media0 -a -f Total for uvcvideo device /dev/media0: 8, Succeeded: 6, Failed: 2, Warnings: 0 Total for uvcvideo device /dev/video0: 54, Succeeded: 50, Failed: 4, Warnings: 2 Total for uvcvideo device /dev/video1: 46, Succeeded: 46, Failed: 0, Warnings: 0 Grand Total for uvcvideo device /dev/media0: 108, Succeeded: 102, Failed: 6, Warnings: 2 After fixing all of them we go down to: Total for uvcvideo device /dev/media0: 8, Succeeded: 8, Failed: 0, Warnings: 0 Total for uvcvideo device /dev/video0: 54, Succeeded: 54, Failed: 0, Warnings: 0 Total for uvcvideo device /dev/video1: 46, Succeeded: 46, Failed: 0, Warnings: 0 Grand Total for uvcvideo device /dev/media0: 108, Succeeded: 108, Failed: 0, Warnings: 0 YES, NO MORE WARNINGS :) Note that we depend on: https://patchwork.linuxtv.org/project/linux-media/patch/20210315172531.101694-1-ribalda@xxxxxxxxxxxx/ With Hans patch we can also pass v4l2-compliance -s. Changelog from v4 (Thanks to Hans and Laurent) - Use framework names for controls - Check the control flags before accessing them - Drop meta headers instead of returning error - Fix error_idx handling in v4l2-ioctl Hans Verkuil (1): uvc: use vb2 ioctl and fop helpers Ricardo Ribalda (12): media: v4l2-ioctl: Fix check_ext_ctrls media: uvcvideo: Set capability in s_param media: uvcvideo: Return -EIO for control errors media: uvcvideo: Check controls flags before accessing them media: uvcvideo: refactor __uvc_ctrl_add_mapping media: uvcvideo: Add support for V4L2_CTRL_TYPE_CTRL_CLASS media: uvcvideo: Use dev->name for querycap() media: uvcvideo: Set unique vdev name based in type media: uvcvideo: Increase the size of UVC_METADATA_BUF_SIZE media: uvcvideo: Return -EACCES to inactive controls media: uvcvideo: Use control names from framework media: v4l2-ioctl: Set error_idx to the right value drivers/media/usb/uvc/uvc_ctrl.c | 209 +++++++++++---- drivers/media/usb/uvc/uvc_driver.c | 22 +- drivers/media/usb/uvc/uvc_metadata.c | 8 +- drivers/media/usb/uvc/uvc_queue.c | 143 ---------- drivers/media/usb/uvc/uvc_v4l2.c | 373 ++++++--------------------- drivers/media/usb/uvc/uvc_video.c | 13 +- drivers/media/usb/uvc/uvcvideo.h | 41 +-- drivers/media/v4l2-core/v4l2-ioctl.c | 40 ++- 8 files changed, 303 insertions(+), 546 deletions(-) -- 2.31.0.rc2.261.g7f71774620-goog
