support I2C bus connection

modulename: cyttsp_i2c.ko

configname: CONFIG_TOUCHSCREEN_CYTTSP_I2C

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Touchscreens
└─>support I2C bus connection
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here if the touchscreen is connected via I2C bus.

To compile this driver as a module, choose M here: the
module will be called cyttsp_i2c.

source code: