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-rw-r--r--include/hw/compat.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/hw/compat.h b/include/hw/compat.h
index c56a6989be..4a43466f03 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -1,6 +1,12 @@
 #ifndef HW_COMPAT_H
 #define HW_COMPAT_H
 
+#define HW_COMPAT_2_3 \
+        /* empty */
+
+#define HW_COMPAT_2_2 \
+        /* empty */
+
 #define HW_COMPAT_2_1 \
         {\
             .driver   = "intel-hda",\