input: use init_adc in unmute handler

And move the es7210_adc_set_gain call to init_adc so we can drop the
es7210.h header from input.c.

Author: stintel

main/audio.c

@@ -1008,7 +1008,7 @@ esp_err_t volume_set(int volume)
     return audio_hal_set_volume(hdl_ahc, volume);
 }
 
-static void init_adc(void)
+void init_adc(void)
 {
     if (hdl_aha != NULL) {
         hdl_aha->audio_codec_deinitialize();
@@ -1023,6 +1023,7 @@ static void init_adc(void)
     };
 
     hdl_aha->audio_codec_config_iface(AUDIO_HAL_CODEC_MODE_ENCODE, &cfg_i2s);
+    es7210_adc_set_gain(ES7210_MIC_SELECT, config_get_int("mic_gain", DEFAULT_MIC_GAIN));
 }
 
 esp_err_t init_audio(void)
@@ -1044,7 +1045,6 @@ esp_err_t init_audio(void)
         init_adc();
     }
 
-
     init_audio_response();
     init_session_timer();
     if (strcmp(speech_rec_mode, "WIS") == 0) {

main/audio.h

@@ -22,6 +22,7 @@ extern QueueHandle_t q_rec;
 extern struct willow_audio_response war;
 
 void deinit_audio(void);
+void init_adc(void);
 esp_err_t init_audio(void);
 void play_audio_ok(void *data);
 esp_err_t volume_set(int volume);

main/input.c

@@ -1,10 +1,10 @@
-#include "es7210.h"
 #include "esp_err.h"
 #include "esp_log.h"
 #include "esp_peripherals.h"
 #include "input_key_service.h"
 #include "periph_button.h"
 
+#include "audio.h"
 #include "config.h"
 #include "shared.h"
 #include "system.h"
@@ -20,20 +20,7 @@ static esp_err_t cb_iks(periph_service_handle_t hdl, periph_service_event_t *ev,
     if (key == INPUT_KEY_USER_ID_MUTE) {
         if (ev->type == INPUT_KEY_SERVICE_ACTION_PRESS_RELEASE) {
             ESP_LOGI(TAG, "unmute");
-            audio_hal_codec_config_t cfg_ahc = {
-                .adc_input  = AUDIO_HAL_ADC_INPUT_LINE1,
-                .dac_output = AUDIO_HAL_DAC_OUTPUT_ALL,
-                .codec_mode = AUDIO_HAL_CODEC_MODE_BOTH,
-                .i2s_iface = {
-                    .mode = AUDIO_HAL_MODE_SLAVE,
-                    .fmt = AUDIO_HAL_I2S_NORMAL,
-                    .samples = AUDIO_HAL_16K_SAMPLES,
-                    .bits = AUDIO_HAL_BIT_LENGTH_32BITS,
-                },
-            };
-
-            es7210_adc_init(&cfg_ahc);
-            es7210_adc_set_gain(ES7210_MIC_SELECT, config_get_int("mic_gain", DEFAULT_MIC_GAIN));
+            init_adc();
         }
     }