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Enable I2C Trackpad (VoodooI2C) - Not a Guide... not really

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[ref]Striker770[/ref], You did not patch your DSDT for working I2C.


This is what I found out for your ACPI table

- IOInterruptSpecifiers is 0x5f (more than 0x2f) you are required to follow steps outlined in post 2

- 0x5f is equivalent to pin 47 (read guide in post 2)


Try boot with attached DSDT. (You may need to rebuild permission and cache upon first boot and reboot again)

 

DSDT.aml.zip

1109420218_Screenshot2018-12-30at10_19_39PM.thumb.png.db7550d77abc3e654ab695e5e5ececdc.png

719471272_Screenshot2018-12-30at10_19_11PM.png.e8adff32c241bc28e37b3ea9229687f7.png

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[ref]Striker770[/ref], You did not patch your DSDT for working I2C.


This is what I found out for your ACPI table

- IOInterruptSpecifiers is 0x5f (more than 0x2f) you are required to follow steps outlined in post 2

- 0x5f is equivalent to pin 47 (read guide in post 2)


Try boot with attached DSDT. (You may need to rebuild permission and cache upon first boot and reboot again)


DSDT.aml.zip

That's absolutely correct. It was unpatched. When you asked for files, i patched my DSDT for the same and that caused the delay. But still, it doesn't works. Moreover, the ETPD disappears after this.

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Have you rebuild cache and repair permissions?


If problem still persist, go to dev site for support. The kexts are still buggy I think. For instance, I am not able to use kexts newer than v2.0.2 in High Sierra or Mojave, and the dev is not able to solve that yet.

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Have you rebuild cache and repair permissions?


If problem still persist, go to dev site for support. The kexts are still buggy I think. For instance, I am not able to use kexts newer than v2.0.2 in High Sierra or Mojave, and the dev is not able to solve that yet.

I've rebuilded the permissions. But no luck.

I've been using v2.1.4 in HS, Mojave and works like a charm. But this is new Laptop and it's Coffee Lake and i'm unable to make the Trackpad working.

They're not helpful at all. Been there for 3 months. No help yet.

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new Laptop and it's Coffee Lake and i'm unable to make the Trackpad working

Try these kexts. Use original DSDT or my patched DSDT. I need to see ioreg on both DSDT used.

Archive.zip

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Works fine but I would like to know your opinion.

My opinion doesnt count LOL I am not even an expert. But your ssdt is doing its magic as expected. Did your write the SSDT-i2c yourself?

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[ref]Striker770[/ref], I think your issue is with your device support. VoodooI2C do not support your device id. Did you try the modded kexts I had uploaded? Also, what you can try is also to replace the pin from 0x47 to 0x00 from my patched DSDT and return status to 0x0F for device ETPD.


And upload a copy of IOreg for troubleshoot purposes.


Added in 2 minutes 5 seconds:

I would like to have only the ssdt for i2c without the need for the sta and crs patches on config.plist.

Good job on that! I will troubleshoot for mine and see if that will help me get out from being stuck at v2.0.2 kexts.


Edit: Looks like I am stuck at old kexts until the dev does something about it.

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Could you make a ssdt for i2c touchpad (for acpi hotpatch), based on origin dsdt ?

You can re-use your ssdt-I2xx.aml for that.

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Second reason is that with mine ssdt I still need to use sta and crs patch on clover.

For SSDT to function as an "override" to DSDT, it is required for return zero.

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[ref]mathewgx[/ref], This is the code for my ssdt. I dont need xcrs or xsta in clover.

Let's see if you can recreate yours ;)

 

DefinitionBlock ("", "SSDT", 2, "ONEM", "i2cc", 0x00000000)
{
   External (_SB_.PCI0.I2C1, DeviceObj)    // (from opcode)

   Scope (\_SB.PCI0.I2C1)
   {
       Name (_STA, Zero)  // _STA: Status
   }

   Scope (\_SB.PCI0.I2C1)
   {
       Device (TPD1)
       {
           Name (_HID, "SYN1B7F")  // _HID: Hardware ID
           Name (SBFG, ResourceTemplate ()
           {
               GpioInt (Level, ActiveLow, ExclusiveAndWake, PullDefault, 0x0000,
                   "\\_SB.PCI0.GPI0", 0x00, ResourceConsumer, ,
                   )
                   {   // Pin list
                       0x1B00
                   }
           })
           Method (_CRS, 0, Serialized)  // _CRS: Current Resource Settings
           {
               Name (SBFB, ResourceTemplate ()
               {
                   I2cSerialBusV2 (0x002C, ControllerInitiated, 0x00061A80,
                       AddressingMode7Bit, "\\_SB.PCI0.I2C1",
                       0x00, ResourceConsumer, , Exclusive,
                       )
               })
               Return (ConcatenateResTemplate (SBFB, SBFG))
           }
       }
   }
}

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