OpenTabletDriver / OpenTabletDriver/opentabletdriver.github.io

[Linux] document that {Input,Output,Feature}ReportLength == -1 equals missing udev rules

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Description

can look like this:

      "DevicePath": "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2/2-2:1.1/0003:056A:00DB.0007/hidraw/hidraw6",
      "Manufacturer": "Wacom Co.,Ltd.",
      "ProductName": "CTH-661",
      "SerialNumber": "",
      "FriendlyName": "CTH-661",
      "VendorID": 1386,
      "ProductID": 219,
      "InputReportLength": -1,
      "OutputReportLength": -1,
      "FeatureReportLength": -1,
      "CanOpen": true

CanOpen is a misnomer seemingly

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No documentation file or test is named. Start by inspecting the repository's documentation structure and searching for Linux, udev, or ReportLength references. Done means the Linux documentation explains that -1 report lengths indicate missing udev rules and clarifies the meaning of CanOpen.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux
Domain
documentation, operating-systems
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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