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-rw-r--r--src/mainboard/lenovo/l520/acpi/platform.asl20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/mainboard/lenovo/l520/acpi/platform.asl b/src/mainboard/lenovo/l520/acpi/platform.asl
index 9028555c1e..40b9a535b6 100644
--- a/src/mainboard/lenovo/l520/acpi/platform.asl
+++ b/src/mainboard/lenovo/l520/acpi/platform.asl
@@ -1,5 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+/* The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method(_PTS,1)
+{
+ \_SB.PCI0.LPCB.EC.MUTE(1)
+ \_SB.PCI0.LPCB.EC.USBP(0)
+ \_SB.PCI0.LPCB.EC.RADI(0)
+}
+
+/* The _WAK method is called on system wakeup */
+
Method(_WAK,1)
{
/* ME may not be up yet. */
@@ -12,10 +25,3 @@ Method(_WAK,1)
/* Not implemented. */
Return(Package(){0,0})
}
-
-Method(_PTS,1)
-{
- \_SB.PCI0.LPCB.EC.MUTE(1)
- \_SB.PCI0.LPCB.EC.USBP(0)
- \_SB.PCI0.LPCB.EC.RADI(0)
-}