CONFIG_SAMSUNG_DEV_ADC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_SAMSUNG_DEV_ADC (not configurable)

modulename: dev-adc.ko

configname: CONFIG_SAMSUNG_DEV_ADC

Linux Kernel Configuration
└─>SAMSUNG_DEV_ADC
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Compile in platform device definition for ADC controller

source code: