diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index d9522efd92..85504c701c 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -337,6 +337,7 @@ config BOARD_GOOGLE_OMNIGUL
 	select SOC_INTEL_RAPTORLAKE
 	select USE_UNIFIED_AP_FIRMWARE_FOR_UFS_AND_NON_UFS
 	select DRIVERS_INTEL_ISH
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_CONSTITUTION
 	bool "->  Constitution"
diff --git a/src/mainboard/google/brya/variants/omnigul/Makefile.inc b/src/mainboard/google/brya/variants/omnigul/Makefile.inc
index a9bae70fc8..8843e0d9e2 100644
--- a/src/mainboard/google/brya/variants/omnigul/Makefile.inc
+++ b/src/mainboard/google/brya/variants/omnigul/Makefile.inc
@@ -3,6 +3,8 @@ bootblock-y += gpio.c
 
 ramstage-y += gpio.c
 
+ramstage-y += variant.c
+
 romstage-y += gpio.c
 
 romstage-y += memory.c
diff --git a/src/mainboard/google/brya/variants/omnigul/variant.c b/src/mainboard/google/brya/variants/omnigul/variant.c
new file mode 100644
index 0000000000..6a79780f6e
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/variant.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return "wifi_sar_0.hex";
+}