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-rw-r--r--quantum/stm32/proton_c.mk6
1 files changed, 5 insertions, 1 deletions
diff --git a/quantum/stm32/proton_c.mk b/quantum/stm32/proton_c.mk
index a65e283d3..193e09ca1 100644
--- a/quantum/stm32/proton_c.mk
+++ b/quantum/stm32/proton_c.mk
@@ -3,7 +3,11 @@
# These are defaults based on what has been implemented for ARM boards
AUDIO_ENABLE = yes
RGBLIGHT_ENABLE = no
-BACKLIGHT_ENABLE = no
+
+# Force task driven PWM until ARM can provide automatic configuration
+ifneq ($(strip $(BACKLIGHT_ENABLE)), no)
+ BACKLIGHT_ENABLE = software
+endif
# The rest of these settings shouldn't change