[SMBus_Device.NT.HW] AddReg=SMBus_AddReg
I wanted to create a reference post for anyone dealing with this specific Hardware ID. I recently encountered this device on a legacy Lenovo machine and managed to get it operational using a patched driver approach. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
The combination 8086:8c22 / 17aa:309f / rev 04 is famously associated with the and X240 models around 2014. [SMBus_Device
If you are reading about a "patched" state regarding this device in a custom environment (such as running macOS on non-Apple hardware), it refers to an ACPI modification. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
lspci -nn -v