https://bugzilla.kernel.org/show_bug.cgi?id=212985 --- Comment #2 from Tim S (tsweet64@xxxxxxxxxxxxxx) --- Thanks a lot. > Can you check if the VPC2004 ACPI device has a method named "DYTC"? If I'm understanding correctly, you're saying to check the disassembled ACPI tables, right? The disassembled dsdt.dsl does appear to contain a DYTC method: Device (VPC0) { Name (_HID, "VPC2004") // _HID: Hardware ID Name (_UID, Zero) // _UID: Unique ID Name (_VPC, Zero) Name (VPCD, Zero) Method (_STA, 0, NotSerialized) // _STA: Status { Return (0x0F) } Method (DYTC, 1, Serialized) { ITSV = Zero ITSM = Zero Local0 = Zero Local1 = (Arg0 & 0x01FF) Local2 = (Arg0 & 0xFFFFFE00) Switch (Local1) { Case (Zero) .... I'll attach the full file, in case it is needed. -- You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.