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68 lines
2.2 KiB
Markdown
68 lines
2.2 KiB
Markdown
# Fixing USB: Manual
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* [Finding the ACPI path](#finding-the-acpi-path)
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* [Edits to the sample SSDT](#edits-to-the-sample-ssdt)
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* [Compiling the SSDT](#compiling-the-ssdt)
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* [Wrapping up](#wrapping-up)
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## Finding the ACPI path
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Finding the ACPI pathing is quite easy actually, first open your decompiled DSDT you got from [Dumping the DSDT](/Manual/dump.md) and [Decompiling and Compiling](/Manual/compile.md) with either maciASL(if in macOS) or any other text editor if in Windows or Linux(VSCode has an [ACPI extension](https://marketplace.visualstudio.com/items?itemName=Thog.vscode-asl) that can also help).
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Next, search for the `Device (RHUB)`
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You should get something like the following show up:
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From the above, we can see that the full ACPI pathing for RHUB is `PCI0.XHC.RHUB`. If it's not as clear you can search for what those device paths are for your system:
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* Finding the PCI path:
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* Search `PNP0A08` (If multiple show up, use the first one)
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* Finding XHCI path
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* Search for `XHC`, `XHCI` and `XHC1`, and yours is whichever shows up.
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Now with the pathing, you can head here: [Edits to the sample SSDT](#edits-to-the-sample-ssdt)
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## Edits to the sample SSDT
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Now that we have our ACPI path, lets grab our SSDT and get to work:
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* [SSDT-RHUB.dsl](https://github.com/dortania/Getting-Started-With-ACPI/blob/master/extra-files/decompiled/SSDT-RHUB.dsl)
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By default, this uses `PCI0.XHC_.RHUB` for the pathing. you'll want to rename accordingly.
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Following the example from above, we'll be renaming it to `PCI0.XHC1.RHUB`:
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**Before**:
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```
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External (_SB_.PCI0.XHC_.RHUB, DeviceObj) <- Rename this
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Scope (_SB.PCI0.XHC_.RHUB) <- Rename this
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```
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Following the example pathing we found, the SSDT should look something like this:
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**After**:
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```
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External (_SB.PCI0.XHC1.RHUB, DeviceObj) <- Renamed
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Scope (_SB.PCI0.XHC1.RHUB) <- Renamed
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```
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## Compiling the SSDT
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With the SSDT done, you're now [ready to compile the SSDT!](/Manual/compile.md)
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## Wrapping up
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Once you're done making your SSDT, either head to the next page to finish the rest of the SSDTs or head here if you're ready to warp up:
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* [**Cleanup**](/cleanup.md)
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