Realtek RTL2832 SDR

modulename: rtl2832_sdr.ko

configname: CONFIG_DVB_RTL2832_SDR

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Media staging drivers
└─>I2C support
└─>Realtek RTL2832 SDR
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c