AD7793_CH_AIN2P_AIN2M
{AD7793_MODE_CAL_INT_ZERO, AD7793_CH_AIN2P_AIN2M},
{AD7793_MODE_CAL_INT_FULL, AD7793_CH_AIN2P_AIN2M},
AD7793_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), (_s)), \
AD7793_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), 0), \
AD7793_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), 0), \