Move encoder config to data driven (#19923)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/mwstudio/mw75r2/config.h

@@ -56,6 +56,3 @@
 #define RGBLIGHT_HUE_STEP 8
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
-
-#define ENCODERS_PAD_A { B1 }
-#define ENCODERS_PAD_B { B2 }

keyboards/mwstudio/mw75r2/info.json

@@ -8,6 +8,11 @@
         "pid": "0x7502",
         "device_version": "0.0.1"
     },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "B1", "pin_b": "B2"}
+        ]
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "layouts": {

keyboards/mwstudio/mw75r2/keymaps/via/keymap.c

@@ -105,15 +105,12 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
 }
 
 #ifdef ENCODER_ENABLE
-#define ENCODERS 1
-static uint8_t  encoder_state[ENCODERS] = {0};
-static keypos_t encoder_cw[ENCODERS] = {{3, 5}};
-static keypos_t encoder_ccw[ENCODERS] = {{4, 5}};
-
+static uint8_t  encoder_state[NUM_ENCODERS] = {0};
+static keypos_t encoder_cw[NUM_ENCODERS] = {{3, 5}};
+static keypos_t encoder_ccw[NUM_ENCODERS] = {{4, 5}};
 
 void encoder_action_unregister(void) {
-#ifdef ENCODERS
-    for (uint8_t index = 0; index < ENCODERS; ++index) {
+    for (uint8_t index = 0; index < NUM_ENCODERS; ++index) {
         if (encoder_state[index]) {
             keyevent_t encoder_event = (keyevent_t) {
                 .key = encoder_state[index] >> 1 ? encoder_cw[index] : encoder_ccw[index],
@@ -124,7 +121,6 @@ void encoder_action_unregister(void) {
             action_exec(encoder_event);
         }
     }
-#endif
 }
 
 void encoder_action_register(uint8_t index, bool clockwise) {