diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index f6fb23af70..7740bbe0d4 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -160,6 +160,7 @@ config BOARD_GOOGLE_VELL
 	select DRIVERS_GFX_GENERIC
 	select DRIVERS_INTEL_MIPI_CAMERA
 	select SOC_INTEL_COMMON_BLOCK_IPU
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_VOLMAR
 	bool "->  Volmar"
diff --git a/src/mainboard/google/brya/variants/vell/Makefile.inc b/src/mainboard/google/brya/variants/vell/Makefile.inc
index 20c6c3c22f..7fb0167253 100644
--- a/src/mainboard/google/brya/variants/vell/Makefile.inc
+++ b/src/mainboard/google/brya/variants/vell/Makefile.inc
@@ -3,3 +3,4 @@ bootblock-y += gpio.c
 romstage-y += memory.c
 romstage-y += gpio.c
 ramstage-y += gpio.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/brya/variants/vell/variant.c b/src/mainboard/google/brya/variants/vell/variant.c
new file mode 100644
index 0000000000..76f0f524a8
--- /dev/null
+++ b/src/mainboard/google/brya/variants/vell/variant.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return "wifi_sar_0.hex";
+}