1 files changed, 7 insertions, 1 deletions
diff --git a/adb/matrix.c b/adb/matrix.c
index ca8858d0ba..550506ec4d 100644
--- a/adb/matrix.c
+++ b/adb/matrix.c
@@ -9,6 +9,7 @@
 #include "util.h"
 #include "debug.h"
 #include "adb.h"
+#include "usb_keyboard.h"
 #include "matrix_skel.h"
 
 
@@ -71,8 +72,13 @@ uint8_t matrix_scan(void)
     uint16_t codes;
     uint8_t key0, key1;
 
-    _matrix_is_modified = false;
+    static uint8_t prev_led = 0;
+    if (prev_led != usb_keyboard_leds) {
+        adb_host_kbd_led(~usb_keyboard_leds);
+        prev_led = usb_keyboard_leds;
+    }
 
+    _matrix_is_modified = false;
     codes = adb_host_kbd_recv();
     key0 = codes>>8;
     key1 = codes&0xFF;