audio_device: Add lineout node type

chromeos/audio/audio_device.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/audio/audio_device.h"
 
 #include <stdint.h>
 
 #include "base/format_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace chromeos {
 
 namespace {
 
 // Get the priority for a particular device type. The priority returned
 // will be between 0 to 3, the higher number meaning a higher priority.
 uint8_t GetDevicePriority(AudioDeviceType type, bool is_input) {
   // Lower the priority of bluetooth mic to prevent unexpected bad eperience
   // to user because of bluetooth audio profile switching. Make priority to
   // zero so this mic will never be automatically chosen.
   if (type == AUDIO_TYPE_BLUETOOTH && is_input)
     return 0;
   switch (type) {
     case AUDIO_TYPE_HEADPHONE:
+    case AUDIO_TYPE_LINEOUT:
     case AUDIO_TYPE_MIC:
     case AUDIO_TYPE_USB:
     case AUDIO_TYPE_BLUETOOTH:
       return 3;
     case AUDIO_TYPE_HDMI:
       return 2;
     case AUDIO_TYPE_INTERNAL_SPEAKER:
     case AUDIO_TYPE_INTERNAL_MIC:
       return 1;
     case AUDIO_TYPE_KEYBOARD_MIC:
@@ skipping 22 matching lines @@
     case AUDIO_TYPE_HDMI:
       return "HDMI";
     case AUDIO_TYPE_INTERNAL_SPEAKER:
       return "INTERNAL_SPEAKER";
     case AUDIO_TYPE_INTERNAL_MIC:
       return "INTERNAL_MIC";
     case AUDIO_TYPE_KEYBOARD_MIC:
       return "KEYBOARD_MIC";
     case AUDIO_TYPE_HOTWORD:
       return "HOTWORD";
+    case AUDIO_TYPE_LINEOUT:
+      return "LINEOUT";
     case AUDIO_TYPE_POST_MIX_LOOPBACK:
       return "POST_MIX_LOOPBACK";
     case AUDIO_TYPE_POST_DSP_LOOPBACK:
       return "POST_DSP_LOOPBACK";
     case AUDIO_TYPE_OTHER:
     default:
       return "OTHER";
   }
 }
 
@@ skipping 15 matching lines @@
   else if (node_type.find("HDMI") != std::string::npos)
     return AUDIO_TYPE_HDMI;
   else if (node_type.find("INTERNAL_SPEAKER") != std::string::npos)
     return AUDIO_TYPE_INTERNAL_SPEAKER;
   // TODO(hychao): Remove the 'AOKR' matching line after CRAS switches
   // node type naming to 'HOTWORD'.
   else if (node_type.find("AOKR") != std::string::npos)
     return AUDIO_TYPE_HOTWORD;
   else if (node_type.find("HOTWORD") != std::string::npos)
     return AUDIO_TYPE_HOTWORD;
+  else if (node_type.find("LINEOUT") != std::string::npos)
+    return AUDIO_TYPE_LINEOUT;
   else if (node_type.find("POST_MIX_LOOPBACK") != std::string::npos)
     return AUDIO_TYPE_POST_MIX_LOOPBACK;
   else if (node_type.find("POST_DSP_LOOPBACK") != std::string::npos)
     return AUDIO_TYPE_POST_DSP_LOOPBACK;
   else
     return AUDIO_TYPE_OTHER;
 }
 
 AudioDevice::AudioDevice()
     : is_input(false),
@@ skipping 48 matching lines @@
                       active ? "true" : "false");
   base::StringAppendF(&result,
                       "plugged_time= %s ",
                       base::Uint64ToString(plugged_time).c_str());
   base::StringAppendF(&result, "mic_positions = %s ", mic_positions.c_str());
 
   return result;
 }
 
 }  // namespace chromeos