AskDavis/Getting-Started-With-ACPI
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Merge branch 'master' of https://github.com/khronokernel/Getting-Started-With-ACPI

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Mykola Grymalyuk
2020-03-15 10:16:21 -06:00
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Laptops/trackpad.md
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# Fixing Trackpads
This SSDT is used to force enable our GPIO for VoodooI2C to connect onto.
This SSDT is used to force enable our GPI0 for VoodooI2C to connect onto.
With most modern laptop DSDTs, there's a variable called `GPEN` or `GPHD` which are used for setting the status of the GPIO device. For us, we want to enable the device.
With most modern laptop DSDTs, there's a variable called `GPEN` or `GPHD` which are used for setting the status of the GPI0 device. For us, we want to enable the device.
## Finding our GPIO
## Finding our GPI0
So first things we need to do is find out what variable is used to enable our GPIO device, lets open up our decompiled SSDT and search for `Device (GPIO)`. Should give you a desult similar to this:
So first things we need to do is find out what variable is used to enable our GPI0 device, lets open up our decompiled SSDT and search for `Device (GPI0)`. Should give you a desult similar to this:
![](https://media.discordapp.net/attachments/456913818467958789/677279455525208096/Screen_Shot_2020-02-12_at_3.25.27_PM.png?width=1674&height=1256)