Use task driven PWM for CTPC until ARM can provide automatic configur…

…ation (qmk#6928) * Use task driven PWM for CTPC until ARM can provide automatic configuration * Update CTPC docs to cover backlight
zsa · Jan 2, 2020 · d445bd6 · d445bd6
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diff --git a/docs/feature_backlight.md b/docs/feature_backlight.md
diff --git 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