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-rw-r--r--src/mainboard/google/rex/Kconfig1
-rw-r--r--src/mainboard/google/rex/variants/karis/Makefile.inc1
-rw-r--r--src/mainboard/google/rex/variants/karis/variant.c11
3 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index fc4bec64ff..3ba8e21077 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -75,6 +75,7 @@ config BOARD_GOOGLE_MODEL_SCREEBO
config BOARD_GOOGLE_MODEL_KARIS
def_bool n
select BOARD_GOOGLE_BASEBOARD_REX
+ select CHROMEOS_WIFI_SAR if CHROMEOS
config BOARD_GOOGLE_BASEBOARD_OVIS
def_bool n
diff --git a/src/mainboard/google/rex/variants/karis/Makefile.inc b/src/mainboard/google/rex/variants/karis/Makefile.inc
index 263854084b..5595937af7 100644
--- a/src/mainboard/google/rex/variants/karis/Makefile.inc
+++ b/src/mainboard/google/rex/variants/karis/Makefile.inc
@@ -4,3 +4,4 @@ bootblock-y += gpio.c
romstage-y += gpio.c
ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
ramstage-y += gpio.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/rex/variants/karis/variant.c b/src/mainboard/google/rex/variants/karis/variant.c
new file mode 100644
index 0000000000..308eea6a28
--- /dev/null
+++ b/src/mainboard/google/rex/variants/karis/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_TYPE));
+}