fix Light_PWM backlight not works under arduino-esp32 v3.0 (IDF 5)

lovyan03 / LovyanGFX

SPI LCD graphics library for ESP32 (ESP-IDF/ArduinoESP32) / ESP8266 (ArduinoESP8266) / SAMD51(Seeed ArduinoSAMD51)

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Closed WuSiYu closed 3 months ago

WuSiYu commented 3 months ago

With arduino-esp32 v3.0, in the new ledcWrite() API we should use the GPIO pin number instead of pwm channel number (ref).

lovyan03 commented 3 months ago

@WuSiYu Thanks for your PR !