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-rw-r--r--src/ec/google/wilco/acpi/ec.asl6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ec/google/wilco/acpi/ec.asl b/src/ec/google/wilco/acpi/ec.asl
index 4fa887b1b4..532f421780 100644
--- a/src/ec/google/wilco/acpi/ec.asl
+++ b/src/ec/google/wilco/acpi/ec.asl
@@ -154,6 +154,12 @@ Device (EC0)
If (Arg0) {
Printf ("EC Enter S0ix")
W (CSEX, One)
+
+ /*
+ * Read back from EC RAM after enabling S0ix
+ * to prevent EC from aborting S0ix entry.
+ */
+ R (EVT1)
} Else {
Printf ("EC Exit S0ix")
W (CSEX, Zero)