Re: Powrprof patches

[Zhiyi Zhang]

On 2/17/25 05:45, robert lippmann wrote:
> Hi all,
>
> I’ve been looking at possibly submitting some patches for powrprof.dll and had a couple of questions/looking for guidance about some issues.
>
> Namely:
> - Default power profiles are stored in the registry under HKLM\System\CurrentControlSet\Control\Power.  The subtree is pretty huge (about a 1.5m .reg file when I exported it.
>
> The GUIDs used appear to be the same from machine to machine for the default power stuff.
>
> Is there a way when Wine bootstraps to load these ?

You can have a initialize_registry() when initializing powrprof.dll. For example,
in DllMain() DLL_PROCESS_ATTACH.
> If the answer is no, is hardcoding permitted?

Yes. Hardcoding is allowed. It's in wine.inf.in. However, see if you dynamically initialize them first.
> - According to https://learn.microsoft.com/en-us/windows/win32/power/power-management-funct... https://learn.microsoft.com/en-us/windows/win32/power/power-management-functions, the functions implemented are for Vista and earlier.  Can I (initially) stub the newer functions?

Yes, you can.
> - In the cases where the functions are trying to set values, can I just simply return success since we aren’t going to actually change the values on the host?  They’re probably doing other things under the covers, but it would take me some investigation to see what.

Yes.

Thanks,
Zhiyi
> Thanks,
> Rob