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-rw-r--r--src/soc/intel/cannonlake/acpi/lpit.asl10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/acpi/lpit.asl b/src/soc/intel/cannonlake/acpi/lpit.asl
index 85158069b6..93bce2644e 100644
--- a/src/soc/intel/cannonlake/acpi/lpit.asl
+++ b/src/soc/intel/cannonlake/acpi/lpit.asl
@@ -14,6 +14,8 @@
* GNU General Public License for more details.
*/
+External(\_SB.MS0X, MethodObj)
+
scope(\_SB)
{
Device(LPID) {
@@ -62,12 +64,20 @@ scope(\_SB)
*/
If(Arg2 == 5) {
\_SB.PCI0.LPCB.EC0.S0IX(1)
+ /* provide board level s0ix hook */
+ If (CondRefOf (\_SB.MS0X)) {
+ \_SB.MS0X(1)
+ }
}
/*
* Function 6.
*/
If(Arg2 == 6) {
\_SB.PCI0.LPCB.EC0.S0IX(0)
+ /* provide board level s0ix hook */
+ If (CondRefOf (\_SB.MS0X)) {
+ \_SB.MS0X(0)
+ }
}
}
Return(Buffer(One) {0x00})