diff --git a/src/board/system76/common/kbscan.c b/src/board/system76/common/kbscan.c
index 6bb46d3..05e7afc 100644
--- a/src/board/system76/common/kbscan.c
+++ b/src/board/system76/common/kbscan.c
@@ -255,6 +255,18 @@ bool kbscan_press(uint16_t key, bool pressed, uint8_t *layer) {
                 }
             }
             break;
+        case COMBO_CALL_MUTE:
+            if (kbscan_enabled) {
+                if (pressed) {
+                    kbc_scancode(K_LEFT_SUPER, true);
+                    kbc_scancode(K_LEFT_ALT, true);
+                    kbc_scancode(K_K, true);
+                    kbc_scancode(K_LEFT_SUPER, false);
+                    kbc_scancode(K_LEFT_ALT, false);
+                    kbc_scancode(K_K, false);
+                }
+            }
+            break;
         }
         break;
     case (KT_SCI):
diff --git a/src/common/include/common/keymap.h b/src/common/include/common/keymap.h
index 9b3ac02..d57e7c7 100644
--- a/src/common/include/common/keymap.h
+++ b/src/common/include/common/keymap.h
@@ -57,6 +57,9 @@ uint16_t keymap_translate(uint16_t key);
 #define K_PRINT_SCREEN (KT_COMBO | COMBO_PRINT_SCREEN)
 #define COMBO_PAUSE 2
 #define K_PAUSE (KT_COMBO | COMBO_PAUSE)
+// Windows 11 22H2 "Call Mute" hotkey
+#define COMBO_CALL_MUTE 3
+#define K_CALL_MUTE (KT_COMBO | COMBO_CALL_MUTE)
 
 // SCI
 #define KT_SCI (0x4000)
diff --git a/src/keyboard/system76/15in_102/keymap/darp9.c b/src/keyboard/system76/15in_102/keymap/darp9.c
index 4ad83c9..845494b 100644
--- a/src/keyboard/system76/15in_102/keymap/darp9.c
+++ b/src/keyboard/system76/15in_102/keymap/darp9.c
@@ -1,8 +1,10 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
 // Darter Pro 9 layout
-// Nearly identical to the default layout, but replaces `K_KBD_COLOR` with
-// `K_KBD_BKL` as the RGB keyboard option was removed.
+// Nearly identical to the default layout. Replaces `K_KBD_COLOR` with
+// `K_KBD_BKL` as the RGB keyboard option was removed. Replaces
+// `K_DISPLAY_TOGGLE` with `K_CALL_MUTE` to match new keyboard legends and
+// proprietary firmware behavior.
 
 #include <board/keymap.h>
 
@@ -17,7 +19,7 @@ LAYOUT(
     K_LEFT_CTRL, KT_FN, K_LEFT_SUPER, K_LEFT_ALT, K_SPACE, K_RIGHT_ALT, K_APP, K_RIGHT_CTRL, K_LEFT, K_DOWN, K_RIGHT, K_NUM_0, K_NUM_PERIOD
 ),
 LAYOUT(
-    K_ESC, K_TOUCHPAD, K_DISPLAY_TOGGLE, K_MUTE, K_F4, K_VOLUME_DOWN, K_VOLUME_UP, K_DISPLAY_MODE, K_BRIGHTNESS_DOWN, K_BRIGHTNESS_UP, K_CAMERA_TOGGLE, K_AIRPLANE_MODE, K_SUSPEND, K_PRINT_SCREEN, K_SCROLL_LOCK, K_DEL, K_HOME, K_END, K_PAUSE, K_PAUSE,
+    K_ESC, K_TOUCHPAD, K_CALL_MUTE, K_MUTE, K_F4, K_VOLUME_DOWN, K_VOLUME_UP, K_DISPLAY_MODE, K_BRIGHTNESS_DOWN, K_BRIGHTNESS_UP, K_CAMERA_TOGGLE, K_AIRPLANE_MODE, K_SUSPEND, K_PRINT_SCREEN, K_SCROLL_LOCK, K_DEL, K_HOME, K_END, K_PAUSE, K_PAUSE,
     K_PLAY_PAUSE, K_FAN_TOGGLE, K_2, K_3, K_4, K_5, K_6, K_7, K_8, K_9, K_0, K_MINUS, K_EQUALS, K_BKSP, K_NUM_LOCK, K_KBD_BKL, K_KBD_TOGGLE, K_KBD_DOWN,
     K_TAB, K_Q, K_W, K_E, K_R, K_T, K_Y, K_U, K_I, K_O, K_P, K_BRACE_OPEN, K_BRACE_CLOSE, K_BACKSLASH, K_NUM_7, K_NUM_8, K_NUM_9, K_KBD_UP,
     K_CAPS, K_A, K_S, K_D, K_F, K_G, K_H, K_J, K_K, K_L, K_SEMICOLON, K_QUOTE, K_ENTER, K_NUM_4, K_NUM_5, K_NUM_6,