Found there is a private flag F_AllSxROn in GreenPwr.
Use this flag and SBV2_GreenPwrIsEnable to know if any SxR is offed by GreenPwr.
So create a function : int GreenPwr_InAction( ) to do this.
and in UI.C HomeDsp.
call this function to Show "System State" or "EnergySave".
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2.3pr3