Enable the Timberdale radio driver

modulename: radio-timb.ko

configname: CONFIG_RADIO_TIMBERDALE

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Radio Adapters
└─>I2C support
└─>Enable the Timberdale radio driver
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
This is a kind of umbrella driver for the Radio Tuner and DSP
found behind the Timberdale FPGA on the Russellville board.
Enabling this driver will automatically select the DSP and tuner.

source code: