[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/basekeys/slice/rev1_rgb/keymaps/2moons_rgb/keymap.c b/keyboards/basekeys/slice/rev1_rgb/keymaps/2moons_rgb/keymap.c
index 55d914cbc..375daaca9 100644
--- a/keyboards/basekeys/slice/rev1_rgb/keymaps/2moons_rgb/keymap.c
+++ b/keyboards/basekeys/slice/rev1_rgb/keymaps/2moons_rgb/keymap.c
@@ -202,7 +202,7 @@ oled_rotation_t oled_init_user(oled_rotation_t rotation) {
     return isLeftHand ? OLED_ROTATION_180 : OLED_ROTATION_0;
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
   if (is_keyboard_master()) {
     // Host Keyboard Layer Status
     oled_write_P(PSTR("Layer: "), false);
@@ -232,5 +232,6 @@ void oled_task_user(void) {
   } else {
     oled_write(read_logo(), false);
   }
+    return false;
 }
 #endif
diff --git a/keyboards/basekeys/slice/rev1_rgb/keymaps/via/keymap.c b/keyboards/basekeys/slice/rev1_rgb/keymaps/via/keymap.c
index d0893ae86..fa5abd90a 100644
--- a/keyboards/basekeys/slice/rev1_rgb/keymaps/via/keymap.c
+++ b/keyboards/basekeys/slice/rev1_rgb/keymaps/via/keymap.c
@@ -99,7 +99,7 @@ oled_rotation_t oled_init_user(oled_rotation_t rotation) {
     return isLeftHand ? OLED_ROTATION_180 : OLED_ROTATION_0;
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
   if (is_keyboard_master()) {
     // Host Keyboard Layer Status
     oled_write_P(PSTR("Layer: "), false);
@@ -123,5 +123,6 @@ void oled_task_user(void) {
   } else {
     render_qmk_logo();
   }
+    return false;
 }
 #endif