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Subject[PATCH v5 00/13] uvcvideo: Fix v4l2-compliance errors
Date
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@chromium.org/

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

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