fix: shine led indicator brightness

keyboards/zsa/ergodox_ez/m32u4/m32u4.c

@@ -1,18 +1,65 @@
 // Copyright 2023 Christopher Courtney, aka Drashna Jael're  (@drashna) <[email protected]>
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <stdint.h>
 #include "ergodox_ez.h"
 
+static uint8_t ergodox_right_led_1_duty;
+static uint8_t ergodox_right_led_2_duty;
+static uint8_t ergodox_right_led_3_duty;
+
 void ergodox_right_led_1_set(uint8_t n) {
-    OCR1A = n;
+    ergodox_right_led_1_duty = n;
+    if (ergodox_right_led_1_duty == 0) {
+        ergodox_right_led_1_off();
+    } else {
+        ergodox_right_led_1_on();
+    }
+}
+
+void ergodox_right_led_1_on(void) {
+    OCR1A = ergodox_right_led_1_duty;
+}
+
+void ergodox_right_led_1_off(void) {
+    OCR1A = 0;
 }
+
 void ergodox_right_led_2_set(uint8_t n) {
-    OCR1B = n;
+    ergodox_right_led_2_duty = n;
+    if (ergodox_right_led_2_duty == 0) {
+        ergodox_right_led_2_off();
+    } else {
+        ergodox_right_led_2_on();
+    }
+}
+
+void ergodox_right_led_2_on(void) {
+    OCR1B = ergodox_right_led_2_duty;
 }
+
+void ergodox_right_led_2_off(void) {
+    OCR1B = 0;
+}
+
 void ergodox_right_led_3_set(uint8_t n) {
-    OCR1C = n;
+    ergodox_right_led_3_duty = n;
+    if (ergodox_right_led_3_duty == 0) {
+        ergodox_right_led_3_off();
+    } else {
+        ergodox_right_led_3_on();
+    }
+}
+
+void ergodox_right_led_3_off(void) {
+    OCR1C = 0;
+}
+
+void ergodox_right_led_3_on(void) {
+    OCR1C = ergodox_right_led_3_duty;
 }
 
+
 void keyboard_post_init_sub(void) {
     // keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md")
     TCCR1A = 0b10101001; // set and configure fast PWM