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new USB eBeam input driver

From:  Yann Cantin <>
Subject:  [eBeam PATCH 0/2] new USB eBeam input driver
Date:  Sun, 2 Sep 2012 00:52:01 +0200
Message-ID:  <>
Archive-link:  Article


New USB input driver for eBeam devices.

Currently supported (tested) :
- Luidia eBeam classic projection and edge projection models
- Nec "interactive solution" NP01Wi1 & NP01Wi2 for video-projectors.

There's others devices (includind re-branded ones) in the wild that
should be supported out of the box.

So, the code :

Patch 1 to blacklist the devices for hid generic-usb.

Patch 2 is the actual driver.

Notable stuff :
- use div64_s64 for portable 64/64-bits divisions.
- 13 sysfs custom files : 9 values for the transformation matrix,
  4 for xy ranges and a calibration trigger.

The module run fine with a 3.3.6 and a 3.5.0 kernel, both x86_32 and 64.

Thanks for your help.

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