Re: [PATCH v5 0/1] MR7706: powrprof.dll: Partially implement PowerGetActiveScheme for SteamVR

[Alfred Agrell (＠Alcaro)]

On Tue Apr 15 22:51:55 2025 +0000, Robert Lippmann wrote:
> It is defined in winnt.h as GUID_MIN_POWER_SAVINGS.
> Unfortunately, if I put those DEFINE_GUID statements into winnt.h, it
> breaks compilation of other modules.
> //
> // =========================================
> // Define GUIDs which represent well-known power schemes
> // =========================================
> //
> //
> // Maximum Power Savings - indicates that very aggressive power savings
> measures will be used to help
> //                         stretch battery life.
> //
> // {a1841308-3541-4fab-bc81-f71556f20b4a}
> //
> DEFINE_GUID( GUID_MAX_POWER_SAVINGS, 0xA1841308, 0x3541, 0x4FAB, 0xBC,
> 0x81, 0xF7, 0x15, 0x56, 0xF2, 0x0B, 0x4A );
> //
> // No Power Savings - indicates that almost no power savings measures
> will be used.
> //
> // {8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c}
> //
> DEFINE_GUID( GUID_MIN_POWER_SAVINGS, 0x8C5E7FDA, 0xE8BF, 0x4A96, 0x9A,
> 0x85, 0xA6, 0xE2, 0x3A, 0x8C, 0x63, 0x5C );
> //
> // Typical Power Savings - indicates that fairly aggressive power
> savings measures will be used.
> //
> // {381b4222-f694-41f0-9685-ff5bb260df2e}
> //
> DEFINE_GUID( GUID_TYPICAL_POWER_SAVINGS, 0x381B4222, 0xF694, 0x41F0,
> 0x96, 0x85, 0xFF, 0x5B, 0xB2, 0x60, 0xDF, 0x2E );

No, it's not. The first three bytes (in text form) are the same, but the other 13 bytes don't look like anything.