Add _flush() functions to LED drivers (#22308)

keyboards/input_club/k_type/is31fl3733-dual.c

@@ -248,3 +248,10 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
     }
     g_led_control_registers_update_required[index] = false;
 }
+
+void is31fl3733_flush(void) {
+    is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_1, 0);
+#    ifdef USE_I2C2
+    is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_2, 1);
+#    endif
+}

keyboards/input_club/k_type/is31fl3733-dual.h

@@ -64,6 +64,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
 void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index); // index is the driver index
 void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index);
 
+void is31fl3733_flush(void);
+
 #define IS31FL3733_PUR_0R 0x00   // No PUR resistor
 #define IS31FL3733_PUR_05KR 0x02 // 0.5k Ohm resistor in t_NOL
 #define IS31FL3733_PUR_3KR 0x03  // 3.0k Ohm resistor on all the time

keyboards/input_club/k_type/k_type-rgbdriver.c

@@ -38,16 +38,9 @@ static void init(void) {
 #    endif
 }
 
-static void flush(void) {
-    is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_1, 0);
-#    ifdef USE_I2C2
-    is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_2, 1);
-#    endif
-}
-
 const rgb_matrix_driver_t rgb_matrix_driver = {
     .init = init,
-    .flush = flush,
+    .flush = is31fl3733_flush,
     .set_color = is31fl3733_set_color,
     .set_color_all = is31fl3733_set_color_all,
 };