Fix functions with empty params (#19647)

* Fix functions with empty params

* Found a bunch more

keyboards/handwired/atreus50/keymaps/default/keymap.c

@@ -187,13 +187,13 @@ void matrix_init_user(void) {
 
 #ifdef AUDIO_ENABLE
 
-void startup_user()
+void startup_user(void)
 {
     _delay_ms(20); // gets rid of tick
     PLAY_SONG(tone_startup);
 }
 
-void shutdown_user()
+void shutdown_user(void)
 {
     PLAY_SONG(tone_goodbye);
     _delay_ms(150);

keyboards/handwired/jotanck/jotanck.c

@@ -1,6 +1,6 @@
 #include "jotanck.h"
 
-void keyboard_pre_init_kb() {
+void keyboard_pre_init_kb(void) {
     setPinOutput(JOTANCK_LED1);
     setPinOutput(JOTANCK_LED2);
     

keyboards/handwired/jotpad16/jotpad16.c

@@ -1,6 +1,6 @@
 #include "jotpad16.h"
 
-void keyboard_pre_init_kb() {
+void keyboard_pre_init_kb(void) {
     setPinOutput(JOTPAD16_LED1);
     setPinOutput(JOTPAD16_LED2);
     

keyboards/handwired/jscotto/scotto36/keymaps/default/keymap.c

@@ -216,7 +216,7 @@ static void render_animation(void) {
 }
 
 // Draw to OLED
-bool oled_task_user() {
+bool oled_task_user(void) {
     // Render Bongo Cat
     render_animation();
 

keyboards/handwired/jscotto/scottocmd/keymaps/default/keymap.c

@@ -349,7 +349,7 @@ static void render_animation(void) {
 }
 
 // Draw to OLED
-bool oled_task_user() {
+bool oled_task_user(void) {
     // Caps lock text
     led_t led_state = host_keyboard_led_state();
     oled_set_cursor(0,1);

keyboards/handwired/onekey/keymaps/digitizer/keymap.c

@@ -32,7 +32,7 @@ void keyboard_post_init_user(void) {
     digitizer_in_range_on();
 }
 
-void matrix_scan_user() {
+void matrix_scan_user(void) {
     if (timer_elapsed32(timer) < 200) {
         return;
     }

keyboards/handwired/onekey/keymaps/joystick/keymap.c

@@ -8,7 +8,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     LAYOUT_ortho_1x1(JS_0)
 };
 
-void matrix_scan_user() {
+void matrix_scan_user(void) {
     int16_t val = (((uint32_t)timer_read() % 5000 - 2500) * 255) / 5000;
     joystick_set_axis(1, val);
 }

keyboards/handwired/ortho5x13/keymaps/default/keymap.c

@@ -256,13 +256,13 @@ void matrix_init_user(void) {
 
 #ifdef AUDIO_ENABLE
 
-void startup_user()
+void startup_user(void)
 {
     _delay_ms(20); // gets rid of tick
     PLAY_SONG(tone_startup);
 }
 
-void shutdown_user()
+void shutdown_user(void)
 {
     PLAY_SONG(tone_goodbye);
     _delay_ms(150);

keyboards/handwired/promethium/keymaps/default/keymap.c

@@ -1272,7 +1272,7 @@ void set_output_user(uint8_t output) {
 #endif
 }
 
-void matrix_init_user() {
+void matrix_init_user(void) {
   wait_ms(500); // give time for usb to initialize
 
   set_unicode_input_mode(UNICODE_MODE_LINUX);
@@ -1292,7 +1292,7 @@ void matrix_init_user() {
 #endif
 }
 
-void turn_off_capslock() {
+void turn_off_capslock(void) {
   if (capslock) {
     register_code(KC_CAPS);
     unregister_code(KC_CAPS);
@@ -1323,7 +1323,7 @@ void turn_off_capslock() {
 #endif
 
 #ifdef PS2_MOUSE_ENABLE
-  void ps2_mouse_init_user() {
+  void ps2_mouse_init_user(void) {
       uint8_t rcv;
 
       // set TrackPoint sensitivity

keyboards/handwired/promethium/keymaps/priyadi/keymap.c

@@ -1275,7 +1275,7 @@ void set_output_user(uint8_t output) {
 #endif
 }
 
-void matrix_init_user() {
+void matrix_init_user(void) {
   wait_ms(500); // give time for usb to initialize
 
   set_unicode_input_mode(UNICODE_MODE_LINUX);
@@ -1295,7 +1295,7 @@ void matrix_init_user() {
 #endif
 }
 
-void turn_off_capslock() {
+void turn_off_capslock(void) {
   if (capslock) {
     register_code(KC_CAPS);
     unregister_code(KC_CAPS);
@@ -1326,7 +1326,7 @@ void turn_off_capslock() {
 #endif
 
 #ifdef PS2_MOUSE_ENABLE
-  void ps2_mouse_init_user() {
+  void ps2_mouse_init_user(void) {
       uint8_t rcv;
 
       // set TrackPoint sensitivity