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-rw-r--r--src/mainboard/lenovo/x220/acpi/platform.asl2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x220/acpi/platform.asl b/src/mainboard/lenovo/x220/acpi/platform.asl
index 3e9225cd34..9cd327a765 100644
--- a/src/mainboard/lenovo/x220/acpi/platform.asl
+++ b/src/mainboard/lenovo/x220/acpi/platform.asl
@@ -19,6 +19,8 @@
Method(_PTS,1)
{
+ \_SB.PCI0.LPCB.EC.MUTE(1)
+ \_SB.PCI0.LPCB.EC.USBP(0)
\_SB.PCI0.LPCB.EC.RADI(0)
}