From 67ff20423db89a93c2244d71be75878c8c2127f6 Mon Sep 17 00:00:00 2001
From: mtei <2170248+mtei@users.noreply.github.com>
Date: Mon, 2 Nov 2020 01:09:19 +0900
Subject: [PATCH] add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk

Add a Make variable to easily enable DEBUG_MATRIX_SCAN_RATE on the command line.

eg.
```
make DEBUG_MATRIX_SCAN_RATE_ENABLE=yes  KEYBOARD:KEYMAP
```
---
 common_features.mk         | 5 +++++
 tmk_core/common/keyboard.c | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/common_features.mk b/common_features.mk
index 32028c8af591..5a1713ec36f5 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -20,6 +20,11 @@ QUANTUM_SRC += \
     $(QUANTUM_DIR)/keymap_common.c \
     $(QUANTUM_DIR)/keycode_config.c
 
+ifeq ($(strip $(DEBUG_MATRIX_SCAN_RATE_ENABLE)), yes)
+    OPT_DEFS += -DDEBUG_MATRIX_SCAN_RATE
+    CONSOLE_ENABLE = yes
+endif
+
 ifeq ($(strip $(API_SYSEX_ENABLE)), yes)
     OPT_DEFS += -DAPI_SYSEX_ENABLE
     OPT_DEFS += -DAPI_ENABLE
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 2c762ae235ca..18bd56a8ca3f 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -299,6 +299,10 @@ void keyboard_init(void) {
     dip_switch_init();
 #endif
 
+#if defined(DEBUG_MATRIX_SCAN_RATE) && defined(CONSOLE_ENABLE)
+    debug_enable = true;
+#endif
+
     keyboard_post_init_kb(); /* Always keep this last */
 }