3 files changed, 11 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 78dc780ca9..b289408633 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -64,6 +64,7 @@ config BOARD_GOOGLE_MODEL_REX_EC_ISH
 config BOARD_GOOGLE_MODEL_SCREEBO
 	def_bool n
 	select BOARD_GOOGLE_BASEBOARD_REX
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 	select DRIVERS_GENERIC_ALC1015
 	select DRIVERS_GENESYSLOGIC_GL9750
 	select DRIVERS_GENESYSLOGIC_GL9750_INVERT_WP
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 6878ac600c..772ba9c508 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -26,6 +26,10 @@ fw_config
 		option SD_GL9750		0
 		option SD_RTS5227S		1
 	end
+	field WIFI_SAR_ID 13
+		option WIFI_SAR_ID_0		0
+		option WIFI_SAR_ID_1		1
+	end
 end
 
 chip soc/intel/meteorlake
diff --git a/src/mainboard/google/rex/variants/screebo/variant.c b/src/mainboard/google/rex/variants/screebo/variant.c
index 4044fd4025..4ea659863e 100644
--- a/src/mainboard/google/rex/variants/screebo/variant.c
+++ b/src/mainboard/google/rex/variants/screebo/variant.c
@@ -3,6 +3,12 @@
 #include <chip.h>
 #include <fw_config.h>
 #include <baseboard/variants.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));
+}
 
 void variant_update_soc_chip_config(struct soc_intel_meteorlake_config *config)
 {