fault_handler
thermistor->sensor.fault_handler = ltc2983_common_fault_handler;
ct->sensor.fault_handler = ltc2983_common_fault_handler;
ld->sensor.fault_handler = ltc2983_common_fault_handler;
diode->sensor.fault_handler = ltc2983_common_fault_handler;
adc->sensor.fault_handler = ltc2983_common_fault_handler;
temp->sensor.fault_handler = ltc2983_common_fault_handler;
ret = sensor->fault_handler(st, *val);
int (*fault_handler)(const struct ltc2983_data *st, const u32 result);
thermo->sensor.fault_handler = ltc2983_thermocouple_fault_handler;
rtd->sensor.fault_handler = ltc2983_common_fault_handler;
.sa_sigaction = &fault_handler,
.sa_sigaction = &fault_handler,