Re: ACPI Battery Problems

["James H. Cloos Jr." <cloos-GRsvFm/Gh/pBDgjK7y7TUQ@public.gmane.org>]

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>>>>> "Ducrot" == Ducrot Bruno <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org> writes:

Ducrot> Most of ASL I saw will more likely use the _OSI() method for
Ducrot> Windows XP.  I'm also wondering if that will be OK to
Ducrot> implement it (but with a configure option or perhaps better a
Ducrot> boot option).

Yes, I did miss that.  Dell does this:


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Method (OSID, 0, NotSerialized)
    {
        If (LEqual (MIS3, 0x00))
        {
            Store (0x04, MIS3)
            If (CondRefOf (\_OSI, Local0))
            {
                If (\_OSI (WXP))
                {
                    Store (0x40, MIS3)
                }
            }
            Else
            {
                If (STRE (\_OS, W98S))
                {
                    Store (0x08, MIS3)
                }

                If (STRE (\_OS, NT5S))
                {
                    Store (0x10, MIS3)
                }

                If (STRE (\_OS, WINM))
                {
                    Store (0x20, MIS3)
                }
            }
        }

        Return (MIS3)
    }

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So I was even wrong about the default.  0x4 is used for anything not
98, nt5, me or xp.

In any case, booting w/ acpi_os_name='Windows 2001' still allows the
battery etc stuff to work, so it is obviously indeed the recent
patches that fixed handling less-than-ideal dsdts.

-JimC