__ltc2983_chan_custom_sensor_assign
ret = __ltc2983_chan_custom_sensor_assign(st, thermo->custom,
ret = __ltc2983_chan_custom_sensor_assign(st, rtd->custom,
ret = __ltc2983_chan_custom_sensor_assign(st,
ret = __ltc2983_chan_custom_sensor_assign(st, temp->custom, &chan_val);