autotest: Stop involving jack plugger while binding

This requires 1959209 to be in first, otherwise it will break tests that
rely on the link binder to trigger the jack plugger.
Ex: audio_AudioBasicHeadphone

BUG=b:145963290
TEST=Run all affected tests.

Change-Id: If766c6320d259a805516109011c7d71209aae454
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1961696
Tested-by: En-Shuo Hsu <enshuo@chromium.org>
Auto-Submit: En-Shuo Hsu <enshuo@chromium.org>
Reviewed-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Commit-Queue: En-Shuo Hsu <enshuo@chromium.org>
diff --git a/client/cros/chameleon/audio_widget.py b/client/cros/chameleon/audio_widget.py
index b627378..0010331 100644
--- a/client/cros/chameleon/audio_widget.py
+++ b/client/cros/chameleon/audio_widget.py
@@ -655,95 +655,24 @@
     Properties:
         _audio_facade: An AudioFacadeRemoteAdapter to access Cros device
                        audio functionality.
-        _plug_handler: A PlugHandler for performing plug and unplug.
 
     """
-    def __init__(self, audio_facade, plug_handler):
+    def __init__(self, audio_facade):
         """Initializes a CrosWidgetHandler.
 
         @param audio_facade: An AudioFacadeRemoteAdapter to access Cros device
                              audio functionality.
-        @param plug_handler: A PlugHandler object for plug and unplug.
 
         """
         self._audio_facade = audio_facade
-        self._plug_handler = plug_handler
-
 
     def plug(self):
         """Plugs this widget."""
         logging.info('CrosWidgetHandler: plug')
-        self._plug_handler.plug()
-
 
     def unplug(self):
         """Unplugs this widget."""
         logging.info('CrosWidgetHandler: unplug')
-        self._plug_handler.unplug()
-
-
-class PlugHandler(object):
-    """This class abstracts plug/unplug action for widgets on Cros device.
-
-    This class will be used by CrosWidgetHandler when performinng plug/unplug.
-
-    """
-    def __init__(self):
-        """Initializes a PlugHandler."""
-
-
-    def plug(self):
-        """Plugs in the widget/device."""
-        raise NotImplementedError('plug() not implemented.')
-
-
-    def unplug(self):
-        """Unplugs the widget/device."""
-        raise NotImplementedError('unplug() not implemented.')
-
-
-class DummyPlugHandler(PlugHandler):
-    """A dummy class that does not do anything for plug() or unplug().
-
-    This class can be used by Cros widgets that have alternative ways of
-    performing plug and unplug.
-
-    """
-
-    def plug(self):
-        """Does nothing for plug."""
-        logging.info('DummyPlugHandler: plug')
-
-
-    def unplug(self):
-        """Does nothing for unplug."""
-        logging.info('DummyPlugHandler: unplug')
-
-
-class JackPluggerPlugHandler(PlugHandler):
-    """This class abstracts plug/unplug action with motor on Cros device.
-
-    Properties:
-        _jack_plugger: A JackPlugger object to access the jack plugger robot
-
-    """
-
-    def __init__(self, jack_plugger):
-        """Initializes a JackPluggerPlugHandler.
-
-        @param jack_plugger: A JackPlugger object
-        """
-        self._jack_plugger = jack_plugger
-
-
-    def plug(self):
-        """plugs in the jack to the cros device."""
-        self._jack_plugger.plug()
-
-
-    def unplug(self):
-        """Unplugs the jack from the cros device."""
-        self._jack_plugger.unplug()
 
 
 class CrosInputWidgetHandlerError(Exception):
@@ -857,18 +786,16 @@
     This class abstracts a Cros device audio input widget handler on int mic.
 
     """
-    def __init__(self, audio_facade, plug_handler, system_facade):
+    def __init__(self, audio_facade, system_facade):
         """Initializes a CrosWidgetHandler.
 
         @param audio_facade: An AudioFacadeRemoteAdapter to access Cros device
                              audio functionality.
-        @param plug_handler: A PlugHandler object for plug and unplug.
         @param system_facade: A SystemFacadeRemoteAdapter to access Cros device
                              audio functionality.
 
         """
-        super(CrosIntMicInputWidgetHandler, self).__init__(
-                audio_facade, plug_handler)
+        super(CrosIntMicInputWidgetHandler, self).__init__(audio_facade)
         self._system_facade = system_facade
 
 
@@ -910,18 +837,17 @@
                                 channel=1,
                                 rate=16000)
 
-    def __init__(self, audio_facade, plug_handler, system_facade):
+    def __init__(self, audio_facade, system_facade):
         """Initializes a CrosWidgetHandler.
 
         @param audio_facade: An AudioFacadeRemoteAdapter to access Cros device
                              audio functionality.
-        @param plug_handler: A PlugHandler object for plug and unplug.
         @param system_facade: A SystemFacadeRemoteAdapter to access Cros device
                              system functionality.
 
         """
         super(CrosHotwordingWidgetHandler, self).__init__(
-                audio_facade, plug_handler)
+                audio_facade)
         self._system_facade = system_facade
 
 
diff --git a/client/cros/chameleon/audio_widget_link.py b/client/cros/chameleon/audio_widget_link.py
index 4bf4674..5a5a632 100644
--- a/client/cros/chameleon/audio_widget_link.py
+++ b/client/cros/chameleon/audio_widget_link.py
@@ -8,7 +8,6 @@
 import time
 
 from autotest_lib.client.cros.chameleon import audio_level
-from autotest_lib.client.cros.chameleon import chameleon_audio_ids as ids
 from autotest_lib.client.cros.chameleon import chameleon_bluetooth_audio
 
 
@@ -171,14 +170,7 @@
 class AudioBusLink(WidgetLink):
     """The abstraction of widget link using audio bus on audio board.
 
-    This class handles two tasks.
-    1. Audio bus routing.
-    2. Plug/unplug jack using the widget handler on the DUT side.
-
-    Note that audio jack is shared by headphone and external microphone on
-    Cros device. So plugging/unplugging headphone widget will also affect
-    external microphone. This should be handled outside of this class
-    when we need to support complicated test case.
+    This class handles the Audio bus routing.
 
     Properties:
         _audio_bus: An AudioBus object.
@@ -201,9 +193,6 @@
         @param widget: An AudioWidget object.
 
         """
-        if widget.audio_port.host == 'Cros':
-            widget.handler.plug()
-
         self._audio_bus.connect(widget.audio_port.port_id)
 
         logging.info(
@@ -217,9 +206,6 @@
         @param widget: An AudioWidget object.
 
         """
-        if widget.audio_port.host == 'Cros':
-            widget.handler.unplug()
-
         self._audio_bus.disconnect(widget.audio_port.port_id)
 
         logging.info(
@@ -233,9 +219,6 @@
         @param widget: An AudioWidget object.
 
         """
-        if widget.audio_port.host == 'Cros':
-            widget.handler.plug()
-
         self._audio_bus.connect(widget.audio_port.port_id)
 
         logging.info(
@@ -249,9 +232,6 @@
         @param widget: An AudioWidget object.
 
         """
-        if widget.audio_port.host == 'Cros':
-            widget.handler.unplug()
-
         self._audio_bus.disconnect(widget.audio_port.port_id)
         logging.info(
                 'Unplugged audio board bus %d output from %s',
@@ -433,8 +413,7 @@
 
         """
         board = self._cros_host.get_board().split(':')[1]
-        if board in ['peach_pit', 'peach_pi', 'daisy', 'daisy_spring',
-                     'daisy_skate', 'cyan', 'celes', 'nyan_big', 'lars']:
+        if board in ['cyan', 'celes', 'lars']:
             logging.info('Need extra plug/unplug on board %s', board)
             for _ in xrange(3):
                 handler.plug()
diff --git a/client/cros/chameleon/chameleon_audio_helper.py b/client/cros/chameleon/chameleon_audio_helper.py
index d8366bf..c4cfd73 100644
--- a/client/cros/chameleon/chameleon_audio_helper.py
+++ b/client/cros/chameleon/chameleon_audio_helper.py
@@ -279,7 +279,6 @@
                     return audio_widget.ChameleonOutputWidgetHandler(
                             self._chameleon_board, audio_port.interface)
 
-
         def _create_cros_handler(audio_port):
             """Creates a CrosWidgetHandler for a given AudioPort.
 
@@ -289,53 +288,34 @@
                       role of audio_port.
 
             """
-            is_usb = audio_port.port_id in [ids.CrosIds.USBIN,
-                                            ids.CrosIds.USBOUT]
-            is_audio_jack = audio_port.port_id in [ids.CrosIds.HEADPHONE,
-                                                   ids.CrosIds.EXTERNAL_MIC]
+            is_usb = audio_port.port_id in [
+                    ids.CrosIds.USBIN, ids.CrosIds.USBOUT
+            ]
             is_internal_mic = audio_port.port_id == ids.CrosIds.INTERNAL_MIC
             is_hotwording = audio_port.port_id == ids.CrosIds.HOTWORDING
 
-            # Determines the plug handler to be used.
-            # By default, the plug handler is DummyPlugHandler.
-            # If the port uses audio jack, and there is jack plugger available
-            # through audio board, then JackPluggerPlugHandler should be used.
-            audio_board = self._chameleon_board.get_audio_board()
-            if audio_board:
-                jack_plugger = audio_board.get_jack_plugger()
-            else:
-                jack_plugger = None
-
-            if jack_plugger and is_audio_jack:
-                plug_handler = audio_widget.JackPluggerPlugHandler(jack_plugger)
-            else:
-                plug_handler = audio_widget.DummyPlugHandler()
-
             if audio_port.role == 'sink':
                 if use_arc:
                     return audio_widget_arc.CrosInputWidgetARCHandler(
-                            self._audio_facade, plug_handler)
+                            self._audio_facade)
                 elif is_usb:
                     return audio_widget.CrosUSBInputWidgetHandler(
-                            self._audio_facade, plug_handler)
+                            self._audio_facade)
                 elif is_internal_mic:
                     return audio_widget.CrosIntMicInputWidgetHandler(
-                            self._audio_facade, plug_handler,
-                            self._system_facade)
+                            self._audio_facade, self._system_facade)
                 elif is_hotwording:
                     return audio_widget.CrosHotwordingWidgetHandler(
-                            self._audio_facade, plug_handler,
-                            self._system_facade)
+                            self._audio_facade, self._system_facade)
                 else:
                     return audio_widget.CrosInputWidgetHandler(
-                            self._audio_facade, plug_handler)
+                            self._audio_facade)
             else:
                 if use_arc:
                     return audio_widget_arc.CrosOutputWidgetARCHandler(
-                            self._audio_facade, plug_handler)
-                return audio_widget.CrosOutputWidgetHandler(self._audio_facade,
-                                                            plug_handler)
-
+                            self._audio_facade)
+                return audio_widget.CrosOutputWidgetHandler(
+                        self._audio_facade)
 
         def _create_audio_widget(audio_port, handler):
             """Creates an AudioWidget for given AudioPort using WidgetHandler.
diff --git a/server/site_tests/audio_AudioAfterReboot/audio_AudioAfterReboot.py b/server/site_tests/audio_AudioAfterReboot/audio_AudioAfterReboot.py
index d7b65bf..9a3b345 100644
--- a/server/site_tests/audio_AudioAfterReboot/audio_AudioAfterReboot.py
+++ b/server/site_tests/audio_AudioAfterReboot/audio_AudioAfterReboot.py
@@ -28,27 +28,8 @@
     DELAY_BEFORE_RECORD_SECONDS = 0.5
     DELAY_AFTER_BINDING = 0.5
     RECORD_SECONDS = 5
-    SHORT_WAIT = 2
     PRC_RECONNECT_TIMEOUT = 60
 
-    def action_plug_jack(self, plug_state):
-        """Calls the audio interface API and plugs/unplugs.
-
-        @param plug_state: plug state to switch to
-
-        """
-        logging.debug('Plugging' if plug_state else 'Unplugging')
-        jack_plugger = self.audio_board.get_jack_plugger()
-        if jack_plugger == None:
-            logging.debug('Jack plugger is NOT present!')
-            return
-        if plug_state:
-            jack_plugger.plug()
-        else:
-            jack_plugger.unplug()
-        time.sleep(self.SHORT_WAIT)
-
-
     def play_and_record(self, source_widget, recorder_widget=None):
         """Plays and records (if needed) audio.
 
@@ -234,8 +215,9 @@
         else:
             recorder_widget = widget_factory.create_widget(recorder)
 
-        # Plug for external audio
-        self.action_plug_jack(not is_internal)
+        # Selects and checks the node selected by cras is correct.
+        audio_test_utils.check_and_set_chrome_active_node_types(
+                self.facade, audio_nodes[0][0], audio_nodes[1][0])
 
         # Play only, reboot, then play and record.
         if binder_widget != None:
diff --git a/server/site_tests/audio_AudioNodeSwitch/audio_AudioNodeSwitch.py b/server/site_tests/audio_AudioNodeSwitch/audio_AudioNodeSwitch.py
index cf493c1..27cf6f0 100644
--- a/server/site_tests/audio_AudioNodeSwitch/audio_AudioNodeSwitch.py
+++ b/server/site_tests/audio_AudioNodeSwitch/audio_AudioNodeSwitch.py
@@ -15,7 +15,6 @@
 
 from autotest_lib.client.cros.chameleon import edid as edid_lib
 from autotest_lib.server.cros.audio import audio_test
-from autotest_lib.server.cros.multimedia import remote_facade_factory
 
 URL = 'https://www.youtube.com/watch?v=aqz-KE-bpKQ'
 
@@ -40,10 +39,10 @@
     def check_default_nodes(self):
         """Checks default audio nodes for devices with onboard audio support."""
         if audio_test_utils.has_internal_microphone(self.host):
-            audio_test_utils.check_audio_nodes(self.audio_facade,
+            audio_test_utils.check_audio_nodes(self.facade,
                                                (None, ['INTERNAL_MIC']))
         if audio_test_utils.has_internal_speaker(self.host):
-            audio_test_utils.check_audio_nodes(self.audio_facade,
+            audio_test_utils.check_audio_nodes(self.facade,
                                                (['INTERNAL_SPEAKER'], None))
 
 
@@ -53,7 +52,7 @@
         @param node: One of node type in self._VOLUMES.
 
         """
-        self.audio_facade.set_chrome_active_volume(self._VOLUMES[node])
+        self.facade.set_chrome_active_volume(self._VOLUMES[node])
 
 
     def check_active_node_volume(self, node):
@@ -65,9 +64,9 @@
 
         """
         # Checks the node type is the active node type.
-        audio_test_utils.check_audio_nodes(self.audio_facade, ([node], None))
+        audio_test_utils.check_audio_nodes(self.facade, ([node], None))
         # Checks if active volume is the node volume.
-        volume, mute = self.audio_facade.get_chrome_active_volume_mute()
+        volume, mute = self.facade.get_chrome_active_volume_mute()
         expected_volume = self._VOLUMES[node]
         if volume != expected_volume:
             raise error.TestFail(
@@ -84,21 +83,14 @@
             self.check_active_node_volume(nodes[0])
         for node in nodes:
             # Switch nodes and check their volume.
-            self.audio_facade.set_chrome_active_node_type(node, None)
+            self.facade.set_chrome_active_node_type(node, None)
             self.check_active_node_volume(node)
 
 
-    def run_once(self, host, jack_node=False, hdmi_node=False,
+    def run_once(self, jack_node=False, hdmi_node=False,
                  usb_node=False, play_audio=False):
-        self.host = host
-        chameleon_board = host.chameleon
-        audio_board = chameleon_board.get_audio_board()
-        factory = remote_facade_factory.RemoteFacadeFactory(
-                host, results_dir=self.resultsdir)
-
-        chameleon_board.setup_and_reset(self.outputdir)
-        self.audio_facade = factory.create_audio_facade()
-        self.display_facade = factory.create_display_facade()
+        """Runs AudioNodeSwitch test."""
+        self.display_facade = self.factory.create_display_facade()
 
         self.check_default_nodes()
         nodes = []
@@ -108,40 +100,41 @@
             self.switch_nodes_and_check_volume(nodes)
 
         if play_audio:
-            self.browser_facade = factory.create_browser_facade()
+            self.browser_facade = self.factory.create_browser_facade()
             self.browser_facade.new_tab(URL)
             time.sleep(self._WAIT_TO_LOAD_VIDEO)
         if hdmi_node:
             edid_path = os.path.join(self.bindir,
                                      'test_data/edids/HDMI_DELL_U2410.txt')
             finder = chameleon_port_finder.ChameleonVideoInputFinder(
-                chameleon_board, self.display_facade)
+                self.host.chameleon, self.display_facade)
             hdmi_port = finder.find_port('HDMI')
             hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
             time.sleep(self._APPLY_EDID_DELAY)
             hdmi_port.set_plug(True)
             time.sleep(self._PLUG_DELAY * 2)
 
-            audio_test_utils.check_audio_nodes(self.audio_facade,
+            audio_test_utils.check_audio_nodes(self.facade,
                                                (['HDMI'], None))
             if play_audio:
-                self.audio_facade.check_audio_stream_at_selected_device()
+                self.facade.check_audio_stream_at_selected_device()
             self.set_active_volume_to_node_volume('HDMI')
             nodes.append('HDMI')
             self.switch_nodes_and_check_volume(nodes)
 
         if jack_node:
-            jack_plugger = audio_board.get_jack_plugger()
+            jack_plugger = self.host.chameleon.get_audio_board(
+                ).get_jack_plugger()
             jack_plugger.plug()
             time.sleep(self._PLUG_DELAY)
-            audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
+            audio_test_utils.dump_cros_audio_logs(self.host, self.facade,
                                                   self.resultsdir)
 
             # Checks whether line-out or headphone is detected.
             hp_jack_node_type = audio_test_utils.check_hp_or_lineout_plugged(
-                    self.audio_facade)
+                    self.facade)
 
-            audio_test_utils.check_audio_nodes(self.audio_facade,
+            audio_test_utils.check_audio_nodes(self.facade,
                                                (None, ['MIC']))
 
             self.set_active_volume_to_node_volume(hp_jack_node_type)
@@ -150,18 +143,15 @@
             self.switch_nodes_and_check_volume(nodes)
 
         if usb_node:
-            widget_factory = chameleon_audio_helper.AudioWidgetFactory(
-                factory, host)
-
-            source = widget_factory.create_widget(
+            source = self.widget_factory.create_widget(
                 chameleon_audio_ids.CrosIds.USBOUT)
-            recorder = widget_factory.create_widget(
+            recorder = self.widget_factory.create_widget(
                 chameleon_audio_ids.ChameleonIds.USBIN)
-            binder = widget_factory.create_binder(source, recorder)
+            binder = self.widget_factory.create_binder(source, recorder)
 
             with chameleon_audio_helper.bind_widgets(binder):
                 time.sleep(self._PLUG_DELAY)
-                audio_test_utils.check_audio_nodes(self.audio_facade,
+                audio_test_utils.check_audio_nodes(self.facade,
                                                    (['USB'], ['USB']))
                 self.set_active_volume_to_node_volume('USB')
                 nodes.append('USB')
@@ -172,8 +162,8 @@
 
         if jack_node:
             if usb_node:
-                audio_test_utils.check_audio_nodes(self.audio_facade,
-                                                   ([hp_jack_node_type], ['MIC']))
+                audio_test_utils.check_audio_nodes(
+                        self.facade, ([hp_jack_node_type], ['MIC']))
             jack_plugger.unplug()
             time.sleep(self._PLUG_DELAY)
             nodes.remove(hp_jack_node_type)
@@ -181,7 +171,7 @@
 
         if hdmi_node:
             if usb_node or jack_node :
-                audio_test_utils.check_audio_nodes(self.audio_facade,
+                audio_test_utils.check_audio_nodes(self.facade,
                                                    (['HDMI'], None))
             hdmi_port.set_plug(False)
             time.sleep(self._PLUG_DELAY)
@@ -189,4 +179,3 @@
             self.switch_nodes_and_check_volume(nodes)
 
         self.check_default_nodes()
-
diff --git a/server/site_tests/audio_AudioPinnedStream/audio_AudioPinnedStream.py b/server/site_tests/audio_AudioPinnedStream/audio_AudioPinnedStream.py
index fbc8eac..e849080 100644
--- a/server/site_tests/audio_AudioPinnedStream/audio_AudioPinnedStream.py
+++ b/server/site_tests/audio_AudioPinnedStream/audio_AudioPinnedStream.py
@@ -1,7 +1,6 @@
 # Copyright 2019 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-
 """This is a server side pinned stream audio test using the Chameleon board."""
 
 import logging
@@ -13,7 +12,6 @@
 from autotest_lib.client.cros.chameleon import chameleon_audio_ids
 from autotest_lib.client.cros.chameleon import chameleon_audio_helper
 from autotest_lib.server.cros.audio import audio_test
-from autotest_lib.server.cros.multimedia import remote_facade_factory
 
 
 class audio_AudioPinnedStream(audio_test.AudioTest):
@@ -28,66 +26,50 @@
     PLAYBACK_RECORD_SECONDS = 3
     RECORDING_RECORD_SECONDS = 6
     DELAY_AFTER_BINDING = 0.5
-    DELAY_AFTER_SETTING = 5
 
-    def run_once(self, host, playback):
+    def run_once(self, playback):
         """Running basic pinned stream audio tests.
 
-        @param host: device under test host
+        @param playback: True if testing for playback path
         """
         # [1330, 1330] sine wave
         golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_1330_FILE
         # [2000, 1000] sine wave
         usb_golden_file = audio_test_data.FREQUENCY_TEST_FILE
 
-        chameleon_board = host.chameleon
-        factory = remote_facade_factory.RemoteFacadeFactory(
-                host, results_dir=self.resultsdir)
-
-        chameleon_board.setup_and_reset(self.outputdir)
-
-        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
-                factory, host)
-
         if playback:
-            source = widget_factory.create_widget(
+            source = self.widget_factory.create_widget(
                     chameleon_audio_ids.CrosIds.HEADPHONE)
-            recorder = widget_factory.create_widget(
+            recorder = self.widget_factory.create_widget(
                     chameleon_audio_ids.ChameleonIds.LINEIN)
-            usb_source = widget_factory.create_widget(
+            usb_source = self.widget_factory.create_widget(
                     chameleon_audio_ids.CrosIds.USBOUT)
-            usb_recorder = widget_factory.create_widget(
+            usb_recorder = self.widget_factory.create_widget(
                     chameleon_audio_ids.ChameleonIds.USBIN)
         else:
-            source = widget_factory.create_widget(
+            source = self.widget_factory.create_widget(
                     chameleon_audio_ids.ChameleonIds.LINEOUT)
-            recorder = widget_factory.create_widget(
+            recorder = self.widget_factory.create_widget(
                     chameleon_audio_ids.CrosIds.EXTERNAL_MIC)
-            usb_source = widget_factory.create_widget(
+            usb_source = self.widget_factory.create_widget(
                     chameleon_audio_ids.ChameleonIds.USBOUT)
-            usb_recorder = widget_factory.create_widget(
+            usb_recorder = self.widget_factory.create_widget(
                     chameleon_audio_ids.CrosIds.USBIN)
 
-        binder = widget_factory.create_binder(source, recorder)
-        usb_binder = widget_factory.create_binder(usb_source, usb_recorder)
+        binder = self.widget_factory.create_binder(source, recorder)
+        usb_binder = self.widget_factory.create_binder(usb_source,
+                                                       usb_recorder)
 
         with chameleon_audio_helper.bind_widgets(usb_binder):
             with chameleon_audio_helper.bind_widgets(binder):
                 time.sleep(self.DELAY_AFTER_BINDING)
 
-                audio_facade = factory.create_audio_facade()
-                plugger = chameleon_board.get_audio_board().get_jack_plugger()
-
-                # Fix for chameleon rack hosts because audio jack is always
-                # plugged. (crbug.com/955009)
-                if plugger is None:
-                    if playback:
-                        audio_test_utils.check_and_set_chrome_active_node_types(
-                                audio_facade, 'HEADPHONE', None)
-                    else:
-                        audio_test_utils.check_and_set_chrome_active_node_types(
-                                audio_facade, None, 'MIC')
-                    time.sleep(self.DELAY_AFTER_SETTING)
+                if playback:
+                    audio_test_utils.check_and_set_chrome_active_node_types(
+                            self.facade, 'HEADPHONE', None)
+                else:
+                    audio_test_utils.check_and_set_chrome_active_node_types(
+                            self.facade, None, 'MIC')
 
                 logging.info('Setting playback data')
                 source.set_playback_data(golden_file)
@@ -97,7 +79,7 @@
                 source.start_playback()
 
                 logging.info('Start playing %s, pinned:%s',
-                        usb_golden_file.path, playback)
+                             usb_golden_file.path, playback)
                 usb_source.start_playback(pinned=playback)
 
                 time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
@@ -121,8 +103,9 @@
                     recorder.stop_recording()
                     usb_recorder.stop_recording(pinned=True)
 
-                audio_test_utils.dump_cros_audio_logs(
-                        host, audio_facade, self.resultsdir, 'after_recording')
+                audio_test_utils.dump_cros_audio_logs(self.host, self.facade,
+                                                      self.resultsdir,
+                                                      'after_recording')
 
         recorder.read_recorded_binary()
         usb_recorder.read_recorded_binary()
@@ -143,4 +126,5 @@
             # not the main point of this test.
             audio_test_utils.check_recorded_frequency(
                     golden_file, recorder, second_peak_ratio=0.3)
-        audio_test_utils.check_recorded_frequency(usb_golden_file, usb_recorder)
+        audio_test_utils.check_recorded_frequency(usb_golden_file,
+                                                  usb_recorder)