diff --git a/src/mainboard/google/octopus/smihandler.c b/src/mainboard/google/octopus/smihandler.c
index ecd41ae..27928ee 100644
--- a/src/mainboard/google/octopus/smihandler.c
+++ b/src/mainboard/google/octopus/smihandler.c
@@ -16,7 +16,9 @@
 #include <arch/acpi.h>
 #include <baseboard/variants.h>
 #include <cpu/x86/smm.h>
+#include <ec/google/chromeec/ec.h>
 #include <ec/google/chromeec/smm.h>
+#include <elog.h>
 #include <intelblocks/smihandler.h>
 #include <soc/pm.h>
 #include <soc/gpio.h>
@@ -52,3 +54,9 @@
 {
 	chromeec_smi_process_events();
 }
+
+void elog_gsmi_cb_mainboard_log_wake_source(void)
+{
+	google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
+					MAINBOARD_EC_S0IX_WAKE_EVENTS);
+}