default or selected kernelversion does not have config value CONFIG_BATTERY_S3C_ADC.
Result is shown for kernelversion 6.9.9

Battery driver for Samsung ADC based monitoring

modulename: s3c_adc_battery.ko

configname: CONFIG_BATTERY_S3C_ADC

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>Battery driver for Samsung ADC based monitoring
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Say Y here to enable support for iPAQ h1930/h1940/rx1950 battery

source code:
drivers/power/supply/s3c_adc_battery.c