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CONFIG_I2C_PARPORT_LIGHT: Parallel port adapter (light)

General informations

The Linux kernel configuration item CONFIG_I2C_PARPORT_LIGHT:

Help text

This supports parallel port I2C adapters such as the ones made by Philips or Velleman, Analog Devices evaluation boards, and more. Basically any adapter using the parallel port as an I2C bus with no extra chipset is supported by this driver, or could be.

This driver is a light version of i2c-parport. It doesn't depend on the parport driver, and uses direct I/O access instead. This might be preferred on embedded systems where wasting memory for the clean but heavy parport handling is not an option. The drawback is a reduced portability and the impossibility to daisy-chain other parallel port devices.

Don't say Y here if you said Y or M to i2c-parport. Saying M to both is possible but both modules should not be loaded at the same time.

This support is also available as a module. If so, the module will be called i2c-parport-light.



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