Make debounce() signal changes in the cooked matrix as return value (#17554)

1 files changed, 7 insertions, 4 deletions

diff --git a/quantum/debounce/none.c b/quantum/debounce/none.c
index 8a85cc04a8..4cff5e05e2 100644
--- a/quantum/debounce/none.c
+++ b/quantum/debounce/none.c
@@ -17,13 +17,16 @@
 #include "matrix.h"
 #include "quantum.h"
 #include <stdlib.h>
+#include <string.h>
 
 void debounce_init(uint8_t num_rows) {}
 
-void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
-    for (int i = 0; i < num_rows; i++) {
-        cooked[i] = raw[i];
-    }
+bool debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
+    bool cooked_changed = memcmp(raw, cooked, sizeof(matrix_row_t) * num_rows) != 0;
+
+    memcpy(cooked, raw, sizeof(matrix_row_t) * num_rows);
+
+    return cooked_changed;
 }
 
 void debounce_free(void) {}