[S] Change in coreboot[master]: mb/google/dedede: Resume from suspend on critical battery

[Ivan Chen (Code Review)]

Ivan Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/67320 )

Change subject: mb/google/dedede: Resume from suspend on critical battery
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mb/google/dedede: Resume from suspend on critical battery

This patch makes dedede EC wake up AP from s0ix when the state of
charge drops to low_battery_shutdown_percent.

Demonstrated as follows:

1. Boot OS.
2. Run powerd_dbus_suspend.
3. On EC, run battfake 4.
4. System resumes.

BUG=b:244253629
TEST=Verified on dedede

Change-Id: I39234d2b9e739383b5f96be49077f8c9831fa0fa
Signed-off-by: Ivan Chen 
---
M src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
1 file changed, 28 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/67320/1

diff --git a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
index aa420f3..6ceaa39 100644
--- a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
+++ b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
@@ -39,6 +39,7 @@
  * 3. Key press
  * 4. Mode change
  * 5. AC Connect/Disconnect
+ * 6. Low battery
  */
 #define MAINBOARD_EC_S3_WAKE_EVENTS \
    (MAINBOARD_EC_S5_WAKE_EVENTS |\
@@ -47,7 +48,10 @@
     EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED) |\
     EC_HOST_EVENT_MASK(EC_HOST_EVENT_MODE_CHANGE))

-#define MAINBOARD_EC_S0IX_WAKE_EVENTS	(MAINBOARD_EC_S3_WAKE_EVENTS)
+#define MAINBOARD_EC_S0IX_WAKE_EVENTS \
+	(MAINBOARD_EC_S3_WAKE_EVENTS |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_CRITICAL) |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_SHUTDOWN))

/* Log EC wake events plus EC shutdown events */
 #define MAINBOARD_EC_LOG_EVENTS \