1 files changed, 10 insertions, 0 deletions

diff --git a/quantum/split_common/matrix.c b/quantum/split_common/matrix.c
index 071f0481a..5e5475f44 100644
--- a/quantum/split_common/matrix.c
+++ b/quantum/split_common/matrix.c
@@ -286,6 +286,16 @@ int serial_transaction(void) {
     for (int i = 0; i < ROWS_PER_HAND; ++i) {
         matrix[slaveOffset+i] = serial_slave_buffer[i];
     }
+    
+    #ifdef RGBLIGHT_ENABLE
+        // Code to send RGB over serial goes here (not implemented yet)
+    #endif
+    
+    #ifdef BACKLIGHT_ENABLE
+        // Write backlight level for slave to read
+        serial_master_buffer[SERIAL_BACKLIT_START] = backlight_config.enable ? backlight_config.level : 0;
+    #endif
+
     return 0;
 }
 #endif