[i2s_audio] Allow config for primary/secondary i2s mode (#7092)

esphome/components/i2s_audio/microphone/__init__.py

@@ -7,6 +7,9 @@ from esphome.components import microphone, esp32
 from esphome.components.adc import ESP32_VARIANT_ADC1_PIN_TO_CHANNEL, validate_adc_pin
 
 from .. import (
+    CONF_I2S_MODE,
+    CONF_PRIMARY,
+    I2S_MODE_OPTIONS,
     i2s_audio_ns,
     I2SAudioComponent,
     I2SAudioIn,
@@ -68,6 +71,9 @@ BASE_SCHEMA = microphone.MICROPHONE_SCHEMA.extend(
             _validate_bits, cv.enum(BITS_PER_SAMPLE)
         ),
         cv.Optional(CONF_USE_APLL, default=False): cv.boolean,
+        cv.Optional(CONF_I2S_MODE, default=CONF_PRIMARY): cv.enum(
+            I2S_MODE_OPTIONS, lower=True
+        ),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
@@ -107,6 +113,7 @@ async def to_code(config):
         cg.add(var.set_din_pin(config[CONF_I2S_DIN_PIN]))
         cg.add(var.set_pdm(config[CONF_PDM]))
 
+    cg.add(var.set_i2s_mode(config[CONF_I2S_MODE]))
     cg.add(var.set_channel(config[CONF_CHANNEL]))
     cg.add(var.set_sample_rate(config[CONF_SAMPLE_RATE]))
     cg.add(var.set_bits_per_sample(config[CONF_BITS_PER_SAMPLE]))