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-rw-r--r--keyboards/cannonkeys/ortho48/rules.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/keyboards/cannonkeys/ortho48/rules.mk b/keyboards/cannonkeys/ortho48/rules.mk
index b060afd156..59c12681cf 100644
--- a/keyboards/cannonkeys/ortho48/rules.mk
+++ b/keyboards/cannonkeys/ortho48/rules.mk
@@ -26,3 +26,7 @@ BACKLIGHT_DRIVER = custom
RGBLIGHT_ENABLE = yes
LAYOUTS = ortho_4x12
+
+
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE