From ed9766a7d44cd727dbd59008eff4258745ff87cf Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Sun, 20 Sep 2015 14:34:13 +0900
Subject: [PATCH] core: Fix for disabling NKRO in Boot protocol

---
 tmk_core/common/action_util.c | 6 +++---
 tmk_core/common/command.c     | 1 +
 tmk_core/protocol/lufa/lufa.c | 8 +++-----
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/tmk_core/common/action_util.c b/tmk_core/common/action_util.c
index dbee630d..f81877dd 100644
--- a/tmk_core/common/action_util.c
+++ b/tmk_core/common/action_util.c
@@ -76,7 +76,7 @@ void send_keyboard_report(void) {
 void add_key(uint8_t key)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_nkro) {
+    if (keyboard_protocol && keyboard_nkro) {
         add_key_bit(key);
         return;
     }
@@ -87,7 +87,7 @@ void add_key(uint8_t key)
 void del_key(uint8_t key)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_nkro) {
+    if (keyboard_protocol && keyboard_nkro) {
         del_key_bit(key);
         return;
     }
@@ -160,7 +160,7 @@ uint8_t has_anymod(void)
 uint8_t get_first_key(void)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_nkro) {
+    if (keyboard_protocol && keyboard_nkro) {
         uint8_t i = 0;
         for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
             ;
diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c
index a53cac61..420e7eb9 100644
--- a/tmk_core/common/command.c
+++ b/tmk_core/common/command.c
@@ -315,6 +315,7 @@ static bool command_common(uint8_t code)
             print_val_hex8(host_keyboard_leds());
             print_val_hex8(keyboard_protocol);
             print_val_hex8(keyboard_idle);
+            print_val_hex8(keyboard_nkro);
             print_val_hex32(timer_count);
 
 #ifdef PROTOCOL_PJRC
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index 188fb7b8..345630aa 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -53,6 +53,7 @@
 #include "lufa.h"
 
 uint8_t keyboard_idle = 0;
+/* 0: Boot Protocol, 1: Report Protocol(default) */
 uint8_t keyboard_protocol = 1;
 static uint8_t keyboard_led_stats = 0;
 
@@ -349,10 +350,7 @@ void EVENT_USB_Device_ControlRequest(void)
                     Endpoint_ClearSETUP();
                     Endpoint_ClearStatusStage();
 
-                    keyboard_protocol = ((USB_ControlRequest.wValue & 0xFF) != 0x00);
-#ifdef NKRO_ENABLE
-                    keyboard_nkro = !!keyboard_protocol;
-#endif
+                    keyboard_protocol = (USB_ControlRequest.wValue & 0xFF);
                     clear_keyboard();
                 }
             }
@@ -399,7 +397,7 @@ static void send_keyboard(report_keyboard_t *report)
 
     /* Select the Keyboard Report Endpoint */
 #ifdef NKRO_ENABLE
-    if (keyboard_nkro) {
+    if (keyboard_protocol && keyboard_nkro) {
         /* Report protocol - NKRO */
         Endpoint_SelectEndpoint(NKRO_IN_EPNUM);