static int thermal_hwmon_read()

in dfl-fme-main.c [225:261]

• 35 lines of code
• 7 McCabe index (conditional complexity)

static int thermal_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
			      u32 attr, int channel, long *val)
{
	struct dfl_feature *feature = dev_get_drvdata(dev);
	u64 v;

	switch (attr) {
	case hwmon_temp_input:
		v = readq(feature->ioaddr + FME_THERM_RDSENSOR_FMT1);
		*val = (long)(FIELD_GET(FPGA_TEMPERATURE, v) * 1000);
		break;
	case hwmon_temp_max:
		v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
		*val = (long)(FIELD_GET(TEMP_THRESHOLD1, v) * 1000);
		break;
	case hwmon_temp_crit:
		v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
		*val = (long)(FIELD_GET(TEMP_THRESHOLD2, v) * 1000);
		break;
	case hwmon_temp_emergency:
		v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
		*val = (long)(FIELD_GET(TRIP_THRESHOLD, v) * 1000);
		break;
	case hwmon_temp_max_alarm:
		v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
		*val = (long)FIELD_GET(TEMP_THRESHOLD1_STATUS, v);
		break;
	case hwmon_temp_crit_alarm:
		v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
		*val = (long)FIELD_GET(TEMP_THRESHOLD2_STATUS, v);
		break;
	default:
		return -EOPNOTSUPP;
	}

	return 0;
}