We’re at the mercy of the Android hardware in cases like this, but you may be able to tweak it. Lots more info in these threads:
https://community.roonlabs.com/t/lenovo-yoga-stuck-in-portrait/10749/39?u=mike
The other problem with this device is that we’re currently limited to 16/48 on Android and don’t yet support external DACs 
We are planning to address that limitation in the future, but unfortunately I don’t have a time frame to share quite yet.