bugfix: recover mute led state after sleep

MSzturc · Jun 2, 2020 · dbea0c2 · dbea0c2
1 parent 4df2fdb
commit dbea0c2
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Showing 2 changed files with 20 additions and 1 deletion.
diff --git a/ACPI/SSDT-KBRD.dsl b/ACPI/SSDT-KBRD.dsl
@@ -16,8 +16,27 @@ DefinitionBlock("", "SSDT", 2, "T460", "KBRD", 0)
     External (\_SB.PCI0.LPC.EC.XQ69, MethodObj)
     External (\_SB.PCI0.LPC.EC.XQ1F, MethodObj)
     External (\_SB.PCI0.LPC.EC.HKEY.MMTS, MethodObj)
-    External (\_SB.PCI0.LPC.EC.HKEY.MMTG, MethodObj)
     External (\_SB.PCI0.LPC.EC.HKEY.MLCS, MethodObj)
+    External (_SI._SST, MethodObj)
+
+    Scope (\)
+    {
+
+        // This ACPI reserved method is run once before sleep and once after awakened
+        Method (_TTS, 1, NotSerialized)
+        {
+            If (_OSI ("Darwin"))
+            {
+                // Arg0 contains the system state of transition
+                // for wake state it is Zero.
+                If (Arg0 == Zero & \_SB.PCI0.LPC.EC.LED1 == One)
+                {
+                    \_SB.PCI0.LPC.EC.HKEY.MMTS (0x02)
+                }
+
+            }
+        }
+    }
 
     Scope (\_SB.PCI0.LPC.EC)
     {

diff --git a/EFI/OC/ACPI/SSDT-KBRD.aml b/EFI/OC/ACPI/SSDT-KBRD.aml