kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_AD7745.
Result is shown for kernelversion 3.1.9

Analog Devices AD7745, AD7746 AD7747 capacitive sensor driver

modulename: ad7745.ko
configname: CONFIG_AD7745

Linux Kernel Configuration
└─> Device Drivers
└─> Staging drivers
└─> Industrial I/O support
└─> I2C support
└─> Analog Devices AD7745, AD7746 AD7747 capacitive sensor driver

Say yes here to build support for Analog Devices capacitive sensors.
(AD7745, AD7746, AD7747) Provides direct access via sysfs.

To compile this driver as a module, choose M here: the
module will be called ad7745.


source code:


drivers/staging/iio/adc/ad7745.c