// This SSDT demonstrates a custom configuration for ALC668. // // It is reportedly needed to solve a problem with booting // OS X after Windows. // // See here for details: // http://www.tonymacx86.com/el-capitan-laptop-support/185808-alc668-no-sound-after-reboot-windows-10-a.html#post1201248 // // Customize to suit your needs. // Compile to SSDT-ALC668.aml, place in ACPI/patched. Make sure SortedOrder includes it. DefinitionBlock ("", "SSDT", 1, "hack", "_ALC668", 0) { External(_SB.PCI0.HDEF, DeviceObj) Name(_SB.PCI0.HDEF.RMCF, Package() { "CodecCommander", Package() { "Custom Commands", Package() { Package(){}, // signifies Array instead of Dictionary // correcting headphones (this is in the Info.plist too) Package() { // 0x15 SET_UNSOLICITED_ENABLE 0x83 "Command", Buffer() { 0x01, 0x57, 0x08, 0x83 }, "On Init", ">y", "On Sleep", ">n", "On Wake", ">y", }, Package() { // Node 0x1b - Pin Control (In Enable) "Command", Buffer() { 0x01, 0xb7, 0x07, 0x20 }, "On Init", ">n", "On Sleep", ">n", "On Wake", ">y", }, // correcting audio after Windows (not in current Info.plist) Package() { // 0x20 SET_COEF_INDEX 0x07 "Command", Buffer() { 0x02, 0x05, 0x00, 0x07 }, "On Init", ">y", "On Sleep", ">n", "On Wake", ">n", }, Package() { // 0x20 SET_PROC_COEF 0x0F80 "Command", Buffer() { 0x02, 0x04, 0x0f, 0x80 }, "On Init", ">y", "On Sleep", ">n", "On Wake", ">n", }, }, //"Perform Reset", ">n", // enable if using AppleALC //"Perform Reset on External Wake", ">n", // enable if using AppleALC }, }) } //EOF