AD7280A_CELLS_PER_DEV
#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + \
#define AD7280A_CALC_TEMP_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + \
(c) - AD7280A_CELLS_PER_DEV)
chan->channel2 = dev * AD7280A_CELLS_PER_DEV;