diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index ab4df3dde2..5b89dac265 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -795,6 +795,15 @@ int rtc_get(struct rtc_time *time)
 }
 #endif
 
+int google_chromeec_offmode_heartbeat(void)
+{
+	struct chromeec_command cmd = {
+		.cmd_code = EC_CMD_ENABLE_OFFMODE_HEARTBEAT,
+	};
+
+	return google_chromeec_command(&cmd);
+}
+
 int google_chromeec_reboot(enum ec_reboot_cmd type, uint8_t flags)
 {
 	const struct ec_params_reboot_ec params = {
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index 73ec3eeda8..aadd51ff22 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -110,6 +110,8 @@ int google_chromeec_reboot(enum ec_reboot_cmd type, uint8_t flags);
 
 void google_chromeec_ap_poweroff(void);
 
+int google_chromeec_offmode_heartbeat(void);
+
 /**
  * Get data from Cros Board Info
  *