From a5d8db6bbb9665e7e1789f7c04ef096907de44d5 Mon Sep 17 00:00:00 2001
From: Terrence <terrence@tenclass.com>
Date: Thu, 23 Jan 2025 08:18:01 +0800
Subject: [PATCH] add pa_pin check

---
 main/audio_codecs/es8311_audio_codec.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/main/audio_codecs/es8311_audio_codec.cc b/main/audio_codecs/es8311_audio_codec.cc
index a19ba712..8ad34e59 100644
--- a/main/audio_codecs/es8311_audio_codec.cc
+++ b/main/audio_codecs/es8311_audio_codec.cc
@@ -166,10 +166,14 @@ void Es8311AudioCodec::EnableOutput(bool enable) {
         };
         ESP_ERROR_CHECK(esp_codec_dev_open(output_dev_, &fs));
         ESP_ERROR_CHECK(esp_codec_dev_set_out_vol(output_dev_, output_volume_));
-        gpio_set_level(pa_pin_, 1);
+        if (pa_pin_ != GPIO_NUM_NC) {
+            gpio_set_level(pa_pin_, 1);
+        }
     } else {
         ESP_ERROR_CHECK(esp_codec_dev_close(output_dev_));
-        gpio_set_level(pa_pin_, 0);
+        if (pa_pin_ != GPIO_NUM_NC) {
+            gpio_set_level(pa_pin_, 0);
+        }
     }
     AudioCodec::EnableOutput(enable);
 }