config SENSORS_FLICKER_SELF_TEST tristate "Flicker EOL test use flash" help make Test environment using led flash. config SENSORS_STK6D2X tristate "STK STK68210 ALS, Flicker sensor" depends on I2C help If you say yes here, you get support for the STK STK68210. This driver can also be built as a module. If so, the module will be called flicker_sensor. config FLICKER_PWM_CALIBRATION bool "Support Flicker OSC Calibration" help Using PWM pulse, Enhance resolution accuracy This config just enable sensor side functions.