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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 07-07-2008, 10:34 AM   #1
VDTDriver
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Registered: Jul 2008
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Trouble connecting serial touchscreen driver


Distribution: Ubuntu 7.10
Linux Version: 2.6.22

Touchscreen device: Level3?? Don't really know.
Serial port: /dev/ttyS2

I have no spec on the device I am using, but using "cat /dev/ttyS2" I have been able
to figure out the basic output of the device enough to modify one of the existing
drivers in drivers/input/touchscreen to generate input events. I can load the driver
as a kernel module and it appears to register with an entry showing up in /sys.

I just don't see how I am supposed to get the kernel to invoke the "connect routine" that
connects the driver to a specific serial port. Nothing in the other serial touchscreen
drivers really points to a way to get this connection. I've read a bit of the udev documentation and
it appears to be mainly a way to create symlinks so that you have consistent naming of
devices along with the ability to automatically create /dev entries. Since the driver doesn't
need to know the /dev/ name I don't see how this would be of interest.

Thanks
 
  


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