linux-kernel - [PATCH v4 00/11] uvcvideo: Fix v4l2-compliance errors

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Message-Id: <20210315173609.1547857-1-ribalda@chromium.org>
Date:   Mon, 15 Mar 2021 18:35:58 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v4 00/11] uvcvideo: Fix v4l2-compliance errors

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: 3
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: 3

With Hans patch we can also pass v4l2-compliance -s, but it is a WIP.

Changelog v3 (Thanks to Hans and Laurent)

- Return -EACCES on inactive controls
- Change unique name of the entities
- Increase metadata buffer size

Hans Verkuil (1):
  uvc: use vb2 ioctl and fop helpers

Ricardo Ribalda (10):
  media: v4l2-ioctl: Fix check_ext_ctrls
  media: uvcvideo: Set capability in s_param
  media: uvcvideo: Return -EIO for control errors
  media: uvcvideo: set error_idx to count on EACCESS
  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

 drivers/media/usb/uvc/uvc_ctrl.c     | 154 +++++++++++++--
 drivers/media/usb/uvc/uvc_driver.c   |  22 ++-
 drivers/media/usb/uvc/uvc_metadata.c |   8 +-
 drivers/media/usb/uvc/uvc_queue.c    | 131 -------------
 drivers/media/usb/uvc/uvc_v4l2.c     | 283 +++------------------------
 drivers/media/usb/uvc/uvc_video.c    |   5 +
 drivers/media/usb/uvc/uvcvideo.h     |  36 +---
 drivers/media/v4l2-core/v4l2-ioctl.c |  25 ++-
 8 files changed, 210 insertions(+), 454 deletions(-)

-- 
2.31.0.rc2.261.g7f71774620-goog