From 8c8ad990647e62831517a216f984ba446ea9d1ea Mon Sep 17 00:00:00 2001
From: MSzturc <MSzturc@googlemail.com>
Date: Thu, 7 May 2020 00:19:01 +0200
Subject: [PATCH] F4 LED is now working.

---
 ACPI/SSDT-KBRD.dsl        |  21 +++++++++++++++++++--
 EFI/OC/ACPI/SSDT-KBRD.aml | Bin 1393 -> 1509 bytes
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/ACPI/SSDT-KBRD.dsl b/ACPI/SSDT-KBRD.dsl
index 32b0cdf..10fdd6e 100644
--- a/ACPI/SSDT-KBRD.dsl
+++ b/ACPI/SSDT-KBRD.dsl
@@ -16,10 +16,13 @@ DefinitionBlock("", "SSDT", 2, "T460", "KBRD", 0)
     External (\_SB.PCI0.LPC.EC.XQ67, MethodObj)
     External (\_SB.PCI0.LPC.EC.XQ68, MethodObj)
     External (\_SB.PCI0.LPC.EC.XQ69, MethodObj)
+    External (\_SB.PCI0.LPC.EC.LED, MethodObj)
+    External (\_SB.PCI0.LPC.EC.HKEY.MMTS, MethodObj)
+    External (\_SB.PCI0.LPC.EC.HKEY.MMTG, MethodObj)
 
     Scope (\_SB.PCI0.LPC.EC)
     {
-
+        Name (LED1, Zero)
         // _Q6A - (Fn+F4) microphone mute key.
         Method(_Q6A, 0, NotSerialized)
         {
@@ -30,6 +33,20 @@ DefinitionBlock("", "SSDT", 2, "T460", "KBRD", 0)
 
                 //Bug: Currently it's not possivle to map F20 Key in Systemprefs
                 Notify (\_SB.PCI0.LPC.KBD, 0x036b)
+
+                // Toggle Mute Microphone LED
+                If ((LED1 == Zero))
+                {
+                    // 0x02 = Enable LED
+                    \_SB.PCI0.LPC_.EC.HKEY.MMTS (0x02)
+                    LED1 = One
+                }
+                Else
+                {
+                    // 0x00 = Disable LED
+                    \_SB.PCI0.LPC_.EC.HKEY.MMTS (Zero)
+                    LED1 = Zero
+                }
           	}
           	Else
           	{
@@ -210,7 +227,7 @@ DefinitionBlock("", "SSDT", 2, "T460", "KBRD", 0)
                     "Swap command and option", ">y",
                     "Custom PS2 Map", Package()
                     {
-                        Package() { },
+                        Package(Zero) { },
                         "e038=e05b", //AltGr=Left Windows
                         "e037=64", // PrtSc=F13,via SysPrefs->Keyboard->Shortcuts
                     },
diff --git a/EFI/OC/ACPI/SSDT-KBRD.aml b/EFI/OC/ACPI/SSDT-KBRD.aml
index bb60828ce15ea69317b7def2075fb2d9d3d6be0f..88b287a4ba415d334efaa14685ed92bd5c32ff6f 100644
GIT binary patch
delta 186
zcmey!^^}_{IM^lRDJug56W>HGX(l((jp}BMuA(veZ1KTP@d3`B20j7K@vhGC@gCl;
zk-okm!5oYN{>Cx-Ea>taKCUi?3?i<a@quQJ3=3S?C;Kxg24*ua(3%XE!DA#BQvoAL
U%|c~7iWmwQKx#HGV7$l-0LT+D_W%F@

delta 70
zcmaFL{gI0+IM^kmkd=XfY5PPjX(kWhjp}BMvI3rZG5Rd=!A|i3&YlK70nYKR&hhag
at}O9^W{#5&FsU$RPcCGZ+^oa2lNkV#xDvqt