HID_USAGE_SENSOR_ORIENT_TRUE_NORTH 61 drivers/iio/magnetometer/hid-sensor-magn-3d.c HID_USAGE_SENSOR_ORIENT_TRUE_NORTH, HID_USAGE_SENSOR_ORIENT_TRUE_NORTH 322 drivers/iio/magnetometer/hid-sensor-magn-3d.c case HID_USAGE_SENSOR_ORIENT_TRUE_NORTH: