default or selected kernelversion does not have config value CONFIG_IIO_ADC_HELPER.
Result is shown for kernelversion 6.16-rc7
CONFIG_IIO_ADC_HELPER (not configurable)
modulename: industrialio-adc.ko
configname: CONFIG_IIO_ADC_HELPER
Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Analog to digital converters
└─>IIO_ADC_HELPER