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-rw-r--r--src/mainboard/amd/birman/display_card_type.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/amd/birman/display_card_type.h b/src/mainboard/amd/birman/display_card_type.h
index bb23fd40df..f9881c4824 100644
--- a/src/mainboard/amd/birman/display_card_type.h
+++ b/src/mainboard/amd/birman/display_card_type.h
@@ -1,3 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef MAINBOARD_DISPLAY_CARD_TYPE_H
+#define MAINBOARD_DISPLAY_CARD_TYPE_H
+
uint8_t get_ddi1_type(void);
+
+#endif /* MAINBOARD_DISPLAY_CARD_TYPE_H */