ec/google/chromeec: Call \PNOT () on initializing AC power state
This change calls \PNOT () method when AC power state is initialized
to allow platform code to take appropriate action.
BUG=b:157752693
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I089e9096f78728ddc5df2d8cb8f22f65b30b02dc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42315
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 8e1d79f..f8d4bdf 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -147,6 +147,12 @@
{
// Initialize AC power state
Store (ACEX, \PWRS)
+ /*
+ * Inform platform code about the current AC power state.
+ * This allows the platform to take any action based on the initialized state.
+ * PWRS isn't valid before this point.
+ */
+ \PNOT ()
// Initialize LID switch state
Store (LIDS, \LIDS)