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-rw-r--r--include/acpi/acnames.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index f97804bdf1ff..7461327e14e4 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -52,6 +52,7 @@
#define METHOD_NAME__CBA "_CBA"
#define METHOD_NAME__CID "_CID"
#define METHOD_NAME__CRS "_CRS"
+#define METHOD_NAME__DDN "_DDN"
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"