Addressed void* return warning & coding style

keyboard/atomic/atomic.c

@@ -1,16 +1,16 @@
 #include "atomic.h"
 
 __attribute__ ((weak))
-void * matrix_init_user(void) {
+void matrix_init_user(void) {
 	// leave these blank
-};
+}
 
 __attribute__ ((weak))
-void * matrix_scan_user(void) {
+void matrix_scan_user(void) {
 	// leave these blank
-};
+}
 
-void * matrix_init_kb(void) {
+void matrix_init_kb(void) {
 	// put your keyboard start-up code here
 	// runs once when the firmware starts up
 
@@ -25,16 +25,12 @@ void * matrix_init_kb(void) {
     DDRE |= (1<<6);
     PORTE |= (1<<6);
 
-	if (matrix_init_user) {
-		(*matrix_init_user)();
-	}
-};
+	matrix_init_user();
+}
 
-void * matrix_scan_kb(void) {
+void matrix_scan_kb(void) {
 	// put your looping keyboard code here
 	// runs every cycle (a lot)
 
-	if (matrix_scan_user) {
-		(*matrix_scan_user)();
-	}
-};
+	matrix_scan_user();
+}

keyboard/atomic/atomic.h

@@ -24,7 +24,7 @@
     { K40, K41, KC_NO, K43, KC_NO, KC_NO, K46, KC_NO, KC_NO, KC_NO, K4A, K4B,   K4C,   K4D,   K4E }  \
 }
 
-void * matrix_init_user(void);
-void * matrix_scan_user(void);
+void matrix_init_user(void);
+void matrix_scan_user(void);
 
 #endif

keyboard/planck/keymaps/lock/keymap.c

@@ -150,7 +150,7 @@ float start_up[][2] = {
   {440.0*pow(2.0,(64)/12.0), 1000},
 };
 
-void * matrix_init_user(void) {
+void matrix_init_user(void) {
     init_notes();
     play_notes(&start_up, 9, false);
 }

keyboard/planck/planck.c

@@ -1,16 +1,16 @@
 #include "planck.h"
 
 __attribute__ ((weak))
-void * matrix_init_user(void) {
+void matrix_init_user(void) {
 
-};
+}
 
 __attribute__ ((weak))
-void * matrix_scan_user(void) {
+void matrix_scan_user(void) {
 
-};
+}
 
-void * matrix_init_kb(void) {
+void matrix_init_kb(void) {
 	#ifdef BACKLIGHT_ENABLE
     	backlight_init_ports();
 	#endif
@@ -24,13 +24,9 @@ void * matrix_init_kb(void) {
     DDRE |= (1<<6);
     PORTE |= (1<<6);
 
-	if (matrix_init_user) {
-		(*matrix_init_user)();
-	}
-};
+	matrix_init_user();
+}
 
-void * matrix_scan_kb(void) {
-	if (matrix_scan_user) {
-		(*matrix_scan_user)();
-	}
-};
+void matrix_scan_kb(void) {
+	matrix_scan_user();
+}

keyboard/planck/planck.h

@@ -40,7 +40,7 @@
 	{ k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b } \
 }
 
-void * matrix_init_user(void);
-void * matrix_scan_user(void);
+void matrix_init_user(void);
+void matrix_scan_user(void);
 
 #endif

quantum/matrix.c

@@ -48,14 +48,14 @@ static void unselect_rows(void);
 static void select_row(uint8_t row);
 
 __attribute__ ((weak))
-void * matrix_init_kb(void) {
+void matrix_init_kb(void) {
 
-};
+}
 
 __attribute__ ((weak))
-void * matrix_scan_kb(void) {
+void matrix_scan_kb(void) {
 
-};
+}
 
 inline
 uint8_t matrix_rows(void)
@@ -86,9 +86,7 @@ void matrix_init(void)
         matrix_debouncing[i] = 0;
     }
 
-    if (matrix_init_kb) {
-        (*matrix_init_kb)();
-    }
+    matrix_init_kb();
 }
 
 
@@ -152,9 +150,7 @@ uint8_t matrix_scan(void)
     }
 #endif
 
-    if (matrix_scan_kb) {
-        (*matrix_scan_kb)();
-    }
+    matrix_scan_kb();
 
     return 1;
 }

quantum/template/template.c

@@ -1,29 +1,23 @@
 #include "%KEYBOARD%.h"
 
 __attribute__ ((weak))
-void * matrix_init_user(void) {
+void matrix_init_user(void) {
 	// leave these blank
-};
+}
 
 __attribute__ ((weak))
-void * matrix_scan_user(void) {
+void matrix_scan_user(void) {
 	// leave these blank
-};
+}
 
-void * matrix_init_kb(void) {
+void matrix_init_kb(void) {
 	// put your keyboard start-up code here
 	// runs once when the firmware starts up
+	matrix_init_user();
+}
 
-	if (matrix_init_user) {
-		(*matrix_init_user)();
-	}
-};
-
-void * matrix_scan_kb(void) {
+void matrix_scan_kb(void) {
 	// put your looping keyboard code here
 	// runs every cycle (a lot)
-
-	if (matrix_scan_user) {
-		(*matrix_scan_user)();
-	}
-};
+	matrix_scan_user();
+}

quantum/template/template.h

@@ -19,7 +19,7 @@
     { k10, KC_NO, k11 }, \
 } 
 
-void * matrix_init_user(void);
-void * matrix_scan_user(void);
+void matrix_init_user(void);
+void matrix_scan_user(void);
 
 #endif

tmk_core/common/matrix.h

@@ -64,8 +64,8 @@ void matrix_power_up(void);
 void matrix_power_down(void);
 
 /* keyboard-specific setup/loop functionality */
-void * matrix_init_kb(void);
-void * matrix_scan_kb(void);
+void matrix_init_kb(void);
+void matrix_scan_kb(void);
 
 #ifdef __cplusplus
 }