squash a bunch of warnings

src/database/track.cpp

@@ -234,7 +234,7 @@ auto TrackTags::genres(const std::string_view s) -> void {
   std::string src = {s.data(), s.size()};
   char* token = std::strtok(src.data(), kGenreDelimiters);
 
-  auto trim_and_add = [=](std::string_view s) {
+  auto trim_and_add = [this](std::string_view s) {
     std::string copy = {s.data(), s.size()};
 
     // Trim the left

src/drivers/adc.cpp

@@ -18,7 +18,7 @@ static const adc_bitwidth_t kAdcBitWidth = ADC_BITWIDTH_12;
 static const adc_unit_t kAdcUnit = ADC_UNIT_1;
 // Max battery voltage should be a little over 2V due to our divider, so we need
 // the max attenuation to properly handle the full range.
-static const adc_atten_t kAdcAttenuation = ADC_ATTEN_DB_11;
+static const adc_atten_t kAdcAttenuation = ADC_ATTEN_DB_12;
 // Corresponds to SENSOR_VP.
 static const adc_channel_t kAdcChannel = ADC_CHANNEL_0;
 

src/drivers/bluetooth.cpp

@@ -438,7 +438,8 @@ void Disabled::react(const events::Enable&) {
     return;
   }
 
-  if ((err = esp_bluedroid_init() != ESP_OK)) {
+  esp_bluedroid_config_t cfg = BT_BLUEDROID_INIT_CONFIG_DEFAULT();
+  if ((err = esp_bluedroid_init_with_cfg(&cfg) != ESP_OK)) {
     ESP_LOGE(kTag, "initialize bluedroid failed %s", esp_err_to_name(err));
     return;
   }