1 files changed, 10 insertions, 32 deletions

diff --git a/quantum/action_util.c b/quantum/action_util.c
index 78e02aec18..9eb2a6d30d 100644
--- a/quantum/action_util.c
+++ b/quantum/action_util.c
@@ -21,12 +21,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "action_layer.h"
 #include "timer.h"
 #include "keycode_config.h"
+#include <string.h>
 
 extern keymap_config_t keymap_config;
 
-static uint8_t real_mods  = 0;
-static uint8_t weak_mods  = 0;
-static uint8_t macro_mods = 0;
+static uint8_t real_mods = 0;
+static uint8_t weak_mods = 0;
 #ifdef KEY_OVERRIDE_ENABLE
 static uint8_t weak_override_mods = 0;
 static uint8_t suppressed_mods    = 0;
@@ -223,7 +223,6 @@ bool is_oneshot_enabled(void) { return keymap_config.oneshot_disable; }
 void send_keyboard_report(void) {
     keyboard_report->mods = real_mods;
     keyboard_report->mods |= weak_mods;
-    keyboard_report->mods |= macro_mods;
 
 #ifndef NO_ACTION_ONESHOT
     if (oneshot_mods) {
@@ -247,7 +246,13 @@ void send_keyboard_report(void) {
     keyboard_report->mods |= weak_override_mods;
 #endif
 
-    host_keyboard_send(keyboard_report);
+    static report_keyboard_t last_report;
+
+    /* Only send the report if there are changes to propagate to the host. */
+    if (memcmp(keyboard_report, &last_report, sizeof(report_keyboard_t)) != 0) {
+        memcpy(&last_report, keyboard_report, sizeof(report_keyboard_t));
+        host_keyboard_send(keyboard_report);
+    }
 }
 
 /** \brief Get mods
@@ -318,33 +323,6 @@ void set_suppressed_override_mods(uint8_t mods) { suppressed_mods = mods; }
 void clear_suppressed_override_mods(void) { suppressed_mods = 0; }
 #endif
 
-/* macro modifier */
-/** \brief get macro mods
- *
- * FIXME: needs doc
- */
-uint8_t get_macro_mods(void) { return macro_mods; }
-/** \brief add macro mods
- *
- * FIXME: needs doc
- */
-void add_macro_mods(uint8_t mods) { macro_mods |= mods; }
-/** \brief del macro mods
- *
- * FIXME: needs doc
- */
-void del_macro_mods(uint8_t mods) { macro_mods &= ~mods; }
-/** \brief set macro mods
- *
- * FIXME: needs doc
- */
-void set_macro_mods(uint8_t mods) { macro_mods = mods; }
-/** \brief clear macro mods
- *
- * FIXME: needs doc
- */
-void clear_macro_mods(void) { macro_mods = 0; }
-
 #ifndef NO_ACTION_ONESHOT
 /** \brief get oneshot mods
  *