Merge remote-tracking branch 'origin/master' into develop

keyboards/bpiphany/pegasushoof/2015/matrix.c

@@ -33,6 +33,18 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 static matrix_row_t read_cols(void);
 static void select_row(uint8_t col);
 
+// user-defined overridable functions
+
+__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
+
+__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
+
+__attribute__((weak)) void matrix_init_user(void) {}
+
+__attribute__((weak)) void matrix_scan_user(void) {}
+
+// helper functions
+
 inline uint8_t matrix_rows(void)
 {
   return MATRIX_ROWS;