Returns the travel mode enter battery threshold (percentage).
PRL_RESULT PrlVmCfg_GetTravelModeEnterThreshold( PRL_HANDLE hVmCfg, PRL_UINT32_PTR pnThreshold );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer to buffer was passed.
PRL_ERR_SUCCESS - function completed successfully.