1 files changed, 30 insertions, 5 deletions

diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index 1ba38a285e..bd6aeba4f8 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "mousekey.h"
 #include "command.h"
 #include "led.h"
-#include "backlight.h"
 #include "action_layer.h"
 #include "action_tapping.h"
 #include "action_macro.h"
@@ -28,6 +27,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "action.h"
 #include "wait.h"
 
+#ifdef BACKLIGHT_ENABLE
+#    include "backlight.h"
+#endif
+
 #ifdef DEBUG_ACTION
 #    include "debug.h"
 #else
@@ -868,9 +871,9 @@ void tap_code(uint8_t code) {
     unregister_code(code);
 }
 
-/** \brief Utilities for actions. (FIXME: Needs better description)
+/** \brief Adds the given physically pressed modifiers and sends a keyboard report immediately.
  *
- * FIXME: Needs documentation.
+ * \param mods A bitfield of modifiers to unregister.
  */
 void register_mods(uint8_t mods) {
     if (mods) {
@@ -879,9 +882,9 @@ void register_mods(uint8_t mods) {
     }
 }
 
-/** \brief Utilities for actions. (FIXME: Needs better description)
+/** \brief Removes the given physically pressed modifiers and sends a keyboard report immediately.
  *
- * FIXME: Needs documentation.
+ * \param mods A bitfield of modifiers to unregister.
  */
 void unregister_mods(uint8_t mods) {
     if (mods) {
@@ -890,6 +893,28 @@ void unregister_mods(uint8_t mods) {
     }
 }
 
+/** \brief Adds the given weak modifiers and sends a keyboard report immediately.
+ *
+ * \param mods A bitfield of modifiers to register.
+ */
+void register_weak_mods(uint8_t mods) {
+    if (mods) {
+        add_weak_mods(mods);
+        send_keyboard_report();
+    }
+}
+
+/** \brief Removes the given weak modifiers and sends a keyboard report immediately.
+ *
+ * \param mods A bitfield of modifiers to unregister.
+ */
+void unregister_weak_mods(uint8_t mods) {
+    if (mods) {
+        del_weak_mods(mods);
+        send_keyboard_report();
+    }
+}
+
 /** \brief Utilities for actions. (FIXME: Needs better description)
  *
  * FIXME: Needs documentation.