Lenovo Yoga 900s - AccelerometerOrientation not updated

With version 3.1-1 AccelerometerOrientation is "undefined" like in #328 (closed).

With version 3.0-1 AccelerometerOrientation is always "normal".

monitor-sensor
    Waiting for iio-sensor-proxy to appear
+++ iio-sensor-proxy appeared
=== Has accelerometer (orientation: normal)
=== Has ambient light sensor (value: 21.000000, unit: lux)
=== No proximity sensor
    Light changed: 28.000000 (lux)
    Light changed: 1.000000 (lux)
    Light changed: 7.000000 (lux)
    Light changed: 35.000000 (lux)
    Light changed: 14.000000 (lux)
    Light changed: 28.000000 (lux)
    Light changed: 42.000000 (lux)
    Light changed: 35.000000 (lux)
    Light changed: 21.000000 (lux)
    Light changed: 14.000000 (lux)
    Light changed: 21.000000 (lux)

Light updates are working