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13/OC/Kexts/CodecCommander.kext/Contents/Resources/Samples/SSDT-ALC298a.dsl

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+// This SSDT demonstrates a custom configuration for ALC298.
+//
+// It is reportedly needed to solve problems of jack sense and
+// distorted sound with headphone.
+//
+// See here for details:
+// http://www.tonymacx86.com/threads/alc3266-10ec0298-files-for-applehdapatcher.191231/page-5#post-1323829
+//
+
+// Customize to suit your needs.
+// Compile to SSDT-ALC298.aml, place in ACPI/patched.  Make sure SortedOrder includes it.
+
+DefinitionBlock ("", "SSDT", 1, "hack", "_ALC298a", 0)
+{
+    External(_SB.PCI0.HDEF, DeviceObj)
+    Name(_SB.PCI0.HDEF.RMCF, Package()
+    {
+        "CodecCommander", Package()
+        {
+            "Custom Commands", Package()
+            {
+                Package(){}, // signifies Array instead of Dictionary
+                Package()
+                {
+                    // 0x01 SET_CODEC_RESET 0x00
+                    "Command", Buffer() { 0x00, 0x17, 0xff, 0x00 },
+                    "On Init", ">y",
+                    "On Sleep", ">n",
+                    "On Wake", ">n",
+                },
+                Package()
+                {
+                    // 0x01 SET_CODEC_RESET 0x00
+                    "Command", Buffer() { 0x00, 0x17, 0xff, 0x00 },
+                    "On Init", ">y",
+                    "On Sleep", ">n",
+                    "On Wake", ">n",
+                },
+                Package()
+                {
+                    // 0x1 SET_POWER_STATE 0x03
+                    "Command", Buffer() { 0x00, 0x17, 0x05, 0x03 },
+                    "On Init", ">y",
+                    "On Sleep", ">n",
+                    "On Wake", ">n",
+                },
+                Package()
+                {
+                    // 0x21 SET_UNSOLICITED_ENABLE 0x83
+                    "Command", Buffer() { 0x02, 0x17, 0x08, 0x83 },
+                    "On Init", ">y",
+                    "On Sleep", ">n",
+                    "On Wake", ">y",
+                },
+            },
+            //"Perform Reset", ">n", // enable if using AppleALC
+            //"Perform Reset on External Wake", ">n", // enable if using AppleALC
+        },
+    })
+}
+//EOF