STEPCONFIG_INP     82 include/linux/mfd/ti_am335x_tscadc.h #define STEPCONFIG_INP_AN4	STEPCONFIG_INP(4)
STEPCONFIG_INP     83 include/linux/mfd/ti_am335x_tscadc.h #define STEPCONFIG_INP_ADCREFM	STEPCONFIG_INP(8)