diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 1e10d40..66839d1 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -262,6 +262,7 @@
 	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_GENESYSLOGIC_GL9750
 	select EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_GOTHRAX
 	select BOARD_GOOGLE_BASEBOARD_NISSA
diff --git a/src/mainboard/google/brya/variants/glassway/Makefile.mk b/src/mainboard/google/brya/variants/glassway/Makefile.mk
index d38141c..102307a 100644
--- a/src/mainboard/google/brya/variants/glassway/Makefile.mk
+++ b/src/mainboard/google/brya/variants/glassway/Makefile.mk
@@ -4,3 +4,4 @@
 romstage-y += gpio.c
 
 ramstage-y += gpio.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/brya/variants/glassway/overridetree.cb b/src/mainboard/google/brya/variants/glassway/overridetree.cb
index 64c8ee0..0db85b5 100644
--- a/src/mainboard/google/brya/variants/glassway/overridetree.cb
+++ b/src/mainboard/google/brya/variants/glassway/overridetree.cb
@@ -13,6 +13,9 @@
 		option SD_ABSENT		 0
 		option SD_GL9750S		 1
 	end
+	field WIFI_SAR_ID 10 12
+		option WIFI_SAR_ID_0		 0
+	end
 	field TOUCHSCREEN_SOURCE 32 33
 		option TOUCHSCREEN_UNPROVISIONED 0
 		option TOUCHSCREEN_ELAN0001      1
diff --git a/src/mainboard/google/brya/variants/glassway/variant.c b/src/mainboard/google/brya/variants/glassway/variant.c
new file mode 100644
index 0000000..906d9aa
--- /dev/null
+++ b/src/mainboard/google/brya/variants/glassway/variant.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <baseboard/variants.h>
+#include <chip.h>
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID));
+}