[Guide] How to patch DSDT for working battery status

[lucky99]

Hi, I am having trouble patching my dsdt.
I would need some help.
Greetings and thank you.

 

[FreeJHack]

I am having trouble patching my dsdt.

Hi, your BAT1 _STA methods is returning 0xf, that's no good...


It must be 0x1f.

I suggest to patch your _STA method from

Method (_STA, 0, NotSerialized)  // _STA: Status
{
    If (ECOK)
    {
        If (^^PCI0.LPCB.EC0.MBTS)
        {
             Return (0x1F)
        }
        Else
        {
            Return (0x0F)
        }
    }
    Else
    {
        Return (0x0F)
    }
}

to

Method (_STA, 0, NotSerialized)  // _STA: Status
{
    If (ECOK)
    {
        Return (0x1F)
    }
    Else
    {
        Return (0x0F)
    }
}

Reboot and look at IOReg (as per above picture), _STA must be 0x1f
After that, you can test if your battery patch is working.

 

[lucky99]

OK thank you very much.
I'm going to try and tell you.

I've tried it
but I still get 0xf

 

[FreeJHack]

but I still get 0xf

Use this

Method (_STA, 0, NotSerialized)  // _STA: Status
{
    Return (0x1F)
}

 

[lucky99]

0x1f ok
I put two images of how it looks with different kexts.
A Voodoobattery and another ACPIBatteryManager
If you could help me configure the dsdt, I would appreciate it.
Anyway thank you very much.

 

[Feartech]

0x1f ok
I put two images of how it looks with different kexts.
A Voodoobattery and another ACPIBatteryManager
If you could help me configure the dsdt, I would appreciate it.
Anyway thank you very much.

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[lucky99]

Updated
Thank you

 

[FreeJHack]

If you could help me

ECOK cannot be 0 as it is in your case...
Try this

Method (_STA, 0, NotSerialized)  // _STA: Status
{
    If (LEqual (ECOK, Zero))
    {
        Store (One, ECOK)
    }
    Return (0x1F)
}

I suggest to use ACPIBatteryManager

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[lucky99]

Hello again.
everything ok except a problem
it restarts after 2 minutes if I don't use it.

 

[FreeJHack]

everything ok

Good

it restarts after 2 minutes

Most probably, you're having a sleep issue...
Refer to other threads, this one is for DSDT battery patching only.