kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_AD2S1210_GPIO_INPUT.
Result is shown for kernelversion 3.0.99

read resolution from gpio pins

configname: CONFIG_AD2S1210_GPIO_INPUT

Resolution Control
└─> read resolution from gpio pins

GPIO pins are sampling RES0 and RES1 pins, read the resolution
settings from the GPIO pins.