[i2s_audio] Implemented I2S PDM Microphone DSR selection (#17751)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

tests/components/microphone/common-pdm.yaml

@@ -0,0 +1,25 @@
+microphone:
+  - platform: i2s_audio
+    id: mic_id_external
+    i2s_din_pin: ${i2s_din_pin1}
+    adc_type: external
+    pdm: false
+    mclk_multiple: 384
+    correct_dc_offset: true
+    on_data:
+      - if:
+          condition:
+            - microphone.is_muted:
+                id: mic_id_external
+          then:
+            - microphone.unmute:
+                id: mic_id_external
+          else:
+            - microphone.mute:
+                id: mic_id_external
+  - platform: i2s_audio
+    id: mic_id_pdm
+    i2s_din_pin: ${i2s_din_pin2}
+    adc_type: external
+    pdm: true
+    pdm_dsr: 16

tests/components/microphone/common.yaml

@@ -1,8 +1,3 @@
-i2s_audio:
-  i2s_bclk_pin: ${i2s_bclk_pin}
-  i2s_lrclk_pin: ${i2s_lrclk_pin}
-  i2s_mclk_pin: ${i2s_mclk_pin}
-
 microphone:
   - platform: i2s_audio
     id: mic_id_external
@@ -22,8 +17,3 @@ microphone:
           else:
             - microphone.mute:
                 id: mic_id_external
-  - platform: i2s_audio
-    id: mic_id_pdm
-    i2s_din_pin: ${i2s_din_pin2}
-    adc_type: external
-    pdm: true

tests/components/microphone/test.esp32-idf.yaml

@@ -1,8 +1,8 @@
 substitutions:
-  i2s_bclk_pin: GPIO15
-  i2s_lrclk_pin: GPIO4
-  i2s_mclk_pin: GPIO5
   i2s_din_pin1: GPIO33
   i2s_din_pin2: GPIO34
 
-<<: !include common.yaml
+packages:
+  i2s_audio: !include ../../test_build_components/common/i2s_audio/esp32-idf.yaml
+
+<<: !include common-pdm.yaml

tests/components/microphone/test.esp32-s2-idf.yaml

@@ -0,0 +1,8 @@
+substitutions:
+  i2s_din_pin1: GPIO33
+  i2s_din_pin2: GPIO34
+
+packages:
+  i2s_audio: !include ../../test_build_components/common/i2s_audio/esp32-s2-idf.yaml
+
+<<: !include common.yaml

tests/test_build_components/common/i2s_audio/esp32-s2-idf.yaml

@@ -0,0 +1,14 @@
+# Common I2S audio bus configuration for ESP32-S2 IDF tests
+# Provides a shared i2s_audio bus that speaker/microphone components can use
+# Each consumer must give its speaker/microphone a unique data pin
+
+substitutions:
+  i2s_bclk_pin: GPIO5
+  i2s_lrclk_pin: GPIO4
+  i2s_mclk_pin: GPIO15
+
+i2s_audio:
+  - id: i2s_audio_bus
+    i2s_bclk_pin: ${i2s_bclk_pin}
+    i2s_lrclk_pin: ${i2s_lrclk_pin}
+    i2s_mclk_pin: ${i2s_mclk_pin}