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-rw-r--r--common_features.mk2
1 files changed, 2 insertions, 0 deletions
diff --git a/common_features.mk b/common_features.mk
index da63a19fff..2969cf8477 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -278,6 +278,8 @@ ifeq ($(strip $(WS2812_DRIVER_REQUIRED)), yes)
$(error WS2812_DRIVER="$(WS2812_DRIVER)" is not a valid WS2812 driver)
endif
+ OPT_DEFS += -DWS2812_DRIVER_$(strip $(shell echo $(WS2812_DRIVER) | tr '[:lower:]' '[:upper:]'))
+
ifeq ($(strip $(WS2812_DRIVER)), bitbang)
SRC += ws2812.c
else