audio: mute mic during wake confirmation tone

Use ESP Audio's synchronous play, this way we can simply mute before and
unmute after the call.

main/audio.c

@@ -97,7 +97,7 @@ static void play_audio_err(void *data)
     esp_audio_play(hdl_ea, AUDIO_CODEC_TYPE_DECODER, "spiffs://spiffs/user/audio/error.wav", 0);
 }
 
-void play_audio_ok(void *data)
+static void play_audio_ok(void *data)
 {
     gpio_set_level(get_pa_enable_gpio(), 1);
     esp_audio_play(hdl_ea, AUDIO_CODEC_TYPE_DECODER, "spiffs://spiffs/user/audio/success.wav", 0);
@@ -132,6 +132,15 @@ static void play_audio_wis_tts(void *data)
     free(url);
 }
 
+void play_wake_confirmation(void *data)
+{
+    es7210_set_mute(true);
+    gpio_set_level(get_pa_enable_gpio(), 1);
+    esp_audio_sync_play(hdl_ea, "spiffs://spiffs/user/audio/success.wav", 0);
+    es7210_set_mute(false);
+    gpio_set_level(get_pa_enable_gpio(), 0);
+}
+
 static void noop(void *data)
 {
 }
@@ -370,7 +379,7 @@ static esp_err_t cb_ar_event(audio_rec_evt_t *are, void *data)
             }
             if (!config_get_bool("multiwake", false)) {
                 if (config_get_bool("wake_confirmation", DEFAULT_WAKE_CONFIRMATION)) {
-                    play_audio_ok(NULL);
+                    play_wake_confirmation(NULL);
                 }
             }
             // win by default so in case WAS multiwake handling goes wrong we act normally

main/audio.h

@@ -23,5 +23,5 @@ extern struct willow_audio_response war;
 
 void deinit_audio(void);
 void init_audio(void);
-void play_audio_ok(void *data);
+void play_wake_confirmation(void *data);
 esp_err_t volume_set(int volume);

main/was.c

@@ -81,7 +81,7 @@ static void IRAM_ATTR cb_ws_event(const void *arg_evh, const esp_event_base_t *b
                             audio_recorder_trigger_stop(hdl_ar);
                             goto cleanup;
                         } else if (config_get_bool("wake_confirmation", DEFAULT_WAKE_CONFIRMATION)) {
-                            play_audio_ok(NULL);
+                            play_wake_confirmation(NULL);
                         }
                     }
                 }