[Core] Change OLED task function to be boolean (#14864)

* [Core] Add kb level callbacks to OLED driver

* Update keyboards and keymaps

* Update docs

* Update userspace configs

* Add fix for my keymap ...

* update lefty

2 files changed, 4 insertions, 2 deletions

diff --git a/keyboards/montsinger/rebound/rev3/keymaps/rossman360/keymap.c b/keyboards/montsinger/rebound/rev3/keymaps/rossman360/keymap.c
index 887bffeb8..207f907f6 100644
--- a/keyboards/montsinger/rebound/rev3/keymaps/rossman360/keymap.c
+++ b/keyboards/montsinger/rebound/rev3/keymaps/rossman360/keymap.c
@@ -75,7 +75,7 @@ case _BASE:
 }
 
 #ifdef OLED_ENABLE
-void oled_task_user(void) {
+bool oled_task_user(void) {
     // Host Keyboard Layer Status
     oled_write_P(PSTR(""), false);
 
@@ -107,6 +107,7 @@ void oled_task_user(void) {
     oled_write_P(led_state.caps_lock ? PSTR("CAPS") : PSTR("    "), false);
     oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 
+    return false;
 }
 
 #endif
diff --git a/keyboards/montsinger/rebound/rev4/keymaps/rossman360/keymap.c b/keyboards/montsinger/rebound/rev4/keymaps/rossman360/keymap.c
index 1465372ec..d49465eea 100644
--- a/keyboards/montsinger/rebound/rev4/keymaps/rossman360/keymap.c
+++ b/keyboards/montsinger/rebound/rev4/keymaps/rossman360/keymap.c
@@ -84,7 +84,7 @@ case _DEL:
 }
 
 #ifdef OLED_ENABLE
-void oled_task_user(void) {
+bool oled_task_user(void) {
     // Host Keyboard Layer Status
     oled_write_P(PSTR(""), false);
 
@@ -116,6 +116,7 @@ void oled_task_user(void) {
     oled_write_P(led_state.caps_lock ? PSTR("CAPS") : PSTR("    "), false);
     oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 
+    return false;
 }
 
 #endif