LTC2309_DIFF_CHAN
LTC2309_DIFF_CHAN(0, 1, LTC2309_CH0_CH1),
LTC2309_DIFF_CHAN(2, 3, LTC2309_CH2_CH3),
LTC2309_DIFF_CHAN(4, 5, LTC2309_CH4_CH5),
LTC2309_DIFF_CHAN(6, 7, LTC2309_CH6_CH7),
LTC2309_DIFF_CHAN(1, 0, LTC2309_CH1_CH0),
LTC2309_DIFF_CHAN(3, 2, LTC2309_CH3_CH2),
LTC2309_DIFF_CHAN(5, 4, LTC2309_CH5_CH4),
LTC2309_DIFF_CHAN(7, 6, LTC2309_CH7_CH6),