diff --git a/audio/6.0/config/Android.bp b/audio/6.0/config/Android.bp
new file mode 100644
index 0000000..182dfcc
--- /dev/null
+++ b/audio/6.0/config/Android.bp
@@ -0,0 +1,7 @@
+
+xsd_config {
+    name: "audio_policy_configuration_V6_0",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "audio.policy.configuration.V6_0",
+}
+
diff --git a/audio/6.0/config/api/current.txt b/audio/6.0/config/api/current.txt
new file mode 100644
index 0000000..7aa147c
--- /dev/null
+++ b/audio/6.0/config/api/current.txt
@@ -0,0 +1,422 @@
+// Signature format: 2.0
+package audio.policy.configuration.V6_0 {
+
+  public class AttachedDevices {
+    ctor public AttachedDevices();
+    method public java.util.List<java.lang.String> getItem();
+  }
+
+  public enum AudioDevice {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_AMBIENT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_AUX_DIGITAL;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BACK_MIC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_BLE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BUILTIN_MIC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_BUS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_COMMUNICATION;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_DEFAULT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_ECHO_REFERENCE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_FM_TUNER;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_HDMI;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_HDMI_ARC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_IP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_LINE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_LOOPBACK;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_PROXY;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_SPDIF;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_STUB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_TELEPHONY_RX;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_TV_TUNER;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_USB_ACCESSORY;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_USB_DEVICE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_USB_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_VOICE_CALL;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_IN_WIRED_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_NONE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_AUX_DIGITAL;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_AUX_LINE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_BUS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_DEFAULT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_EARPIECE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_ECHO_CANCELLER;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_FM;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_HDMI;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_HDMI_ARC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_HEARING_AID;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_IP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_LINE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_PROXY;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_SPDIF;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER_SAFE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_STUB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_TELEPHONY_TX;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_USB_ACCESSORY;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_USB_DEVICE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_USB_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADSET;
+  }
+
+  public enum AudioFormat {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADIF;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ELD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ERLC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V1;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V2;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LTP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_MAIN;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SCALABLE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SSR;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_XHE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ELD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_ERLC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_HE_V1;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_HE_V2;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LATM;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V1;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V2;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LATM_LC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_LTP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_MAIN;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_SCALABLE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_SSR;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AAC_XHE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AC3;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AC4;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_ALAC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AMR_NB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AMR_WB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_AMR_WB_PLUS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX_ADAPTIVE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX_HD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX_TWSP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_CELT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DSD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DTS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DTS_HD;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_EVRC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_EVRCB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_EVRCNW;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_EVRCWB;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_E_AC3;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_E_AC3_JOC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_FLAC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_HE_AAC_V1;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_HE_AAC_V2;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_IEC61937;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LDAC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LHDC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LHDC_LL;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_1_0;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_2_0;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_2_1;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MP2;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MP3;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_OPUS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_32_BIT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_8_24_BIT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_8_BIT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_PCM_FLOAT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_QCELP;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_SBC;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_VORBIS;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_WMA;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_WMA_PRO;
+  }
+
+  public class AudioPolicyConfiguration {
+    ctor public AudioPolicyConfiguration();
+    method public audio.policy.configuration.V6_0.GlobalConfiguration getGlobalConfiguration();
+    method public java.util.List<audio.policy.configuration.V6_0.Modules> getModules();
+    method public audio.policy.configuration.V6_0.SurroundSound getSurroundSound();
+    method public audio.policy.configuration.V6_0.Version getVersion();
+    method public java.util.List<audio.policy.configuration.V6_0.Volumes> getVolumes();
+    method public void setGlobalConfiguration(audio.policy.configuration.V6_0.GlobalConfiguration);
+    method public void setSurroundSound(audio.policy.configuration.V6_0.SurroundSound);
+    method public void setVersion(audio.policy.configuration.V6_0.Version);
+  }
+
+  public enum AudioUsage {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_ALARM;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_ASSISTANCE_SONIFICATION;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_ASSISTANT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_GAME;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_MEDIA;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_NOTIFICATION;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_UNKNOWN;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_VIRTUAL_SOURCE;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
+  }
+
+  public enum DeviceCategory {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.DeviceCategory DEVICE_CATEGORY_EARPIECE;
+    enum_constant public static final audio.policy.configuration.V6_0.DeviceCategory DEVICE_CATEGORY_EXT_MEDIA;
+    enum_constant public static final audio.policy.configuration.V6_0.DeviceCategory DEVICE_CATEGORY_HEADSET;
+    enum_constant public static final audio.policy.configuration.V6_0.DeviceCategory DEVICE_CATEGORY_HEARING_AID;
+    enum_constant public static final audio.policy.configuration.V6_0.DeviceCategory DEVICE_CATEGORY_SPEAKER;
+  }
+
+  public class DevicePorts {
+    ctor public DevicePorts();
+    method public java.util.List<audio.policy.configuration.V6_0.DevicePorts.DevicePort> getDevicePort();
+  }
+
+  public static class DevicePorts.DevicePort {
+    ctor public DevicePorts.DevicePort();
+    method public String getAddress();
+    method public java.util.List<audio.policy.configuration.V6_0.AudioFormat> getEncodedFormats();
+    method public audio.policy.configuration.V6_0.Gains getGains();
+    method public java.util.List<audio.policy.configuration.V6_0.Profile> getProfile();
+    method public audio.policy.configuration.V6_0.Role getRole();
+    method public String getTagName();
+    method public String getType();
+    method public boolean get_default();
+    method public void setAddress(String);
+    method public void setEncodedFormats(java.util.List<audio.policy.configuration.V6_0.AudioFormat>);
+    method public void setGains(audio.policy.configuration.V6_0.Gains);
+    method public void setRole(audio.policy.configuration.V6_0.Role);
+    method public void setTagName(String);
+    method public void setType(String);
+    method public void set_default(boolean);
+  }
+
+  public enum GainMode {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.GainMode AUDIO_GAIN_MODE_CHANNELS;
+    enum_constant public static final audio.policy.configuration.V6_0.GainMode AUDIO_GAIN_MODE_JOINT;
+    enum_constant public static final audio.policy.configuration.V6_0.GainMode AUDIO_GAIN_MODE_RAMP;
+  }
+
+  public class Gains {
+    ctor public Gains();
+    method public java.util.List<audio.policy.configuration.V6_0.Gains.Gain> getGain();
+  }
+
+  public static class Gains.Gain {
+    ctor public Gains.Gain();
+    method public String getChannel_mask();
+    method public int getDefaultValueMB();
+    method public int getMaxRampMs();
+    method public int getMaxValueMB();
+    method public int getMinRampMs();
+    method public int getMinValueMB();
+    method public audio.policy.configuration.V6_0.GainMode getMode();
+    method public String getName();
+    method public int getStepValueMB();
+    method public void setChannel_mask(String);
+    method public void setDefaultValueMB(int);
+    method public void setMaxRampMs(int);
+    method public void setMaxValueMB(int);
+    method public void setMinRampMs(int);
+    method public void setMinValueMB(int);
+    method public void setMode(audio.policy.configuration.V6_0.GainMode);
+    method public void setName(String);
+    method public void setStepValueMB(int);
+  }
+
+  public class GlobalConfiguration {
+    ctor public GlobalConfiguration();
+    method public boolean getSpeaker_drc_enabled();
+    method public void setSpeaker_drc_enabled(boolean);
+  }
+
+  public enum HalVersion {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.HalVersion _2_0;
+    enum_constant public static final audio.policy.configuration.V6_0.HalVersion _3_0;
+  }
+
+  public class MixPorts {
+    ctor public MixPorts();
+    method public java.util.List<audio.policy.configuration.V6_0.MixPorts.MixPort> getMixPort();
+  }
+
+  public static class MixPorts.MixPort {
+    ctor public MixPorts.MixPort();
+    method public String getFlags();
+    method public audio.policy.configuration.V6_0.Gains getGains();
+    method public long getMaxActiveCount();
+    method public long getMaxOpenCount();
+    method public String getName();
+    method public java.util.List<audio.policy.configuration.V6_0.AudioUsage> getPreferredUsage();
+    method public java.util.List<audio.policy.configuration.V6_0.Profile> getProfile();
+    method public audio.policy.configuration.V6_0.Role getRole();
+    method public void setFlags(String);
+    method public void setGains(audio.policy.configuration.V6_0.Gains);
+    method public void setMaxActiveCount(long);
+    method public void setMaxOpenCount(long);
+    method public void setName(String);
+    method public void setPreferredUsage(java.util.List<audio.policy.configuration.V6_0.AudioUsage>);
+    method public void setRole(audio.policy.configuration.V6_0.Role);
+  }
+
+  public enum MixType {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.MixType mix;
+    enum_constant public static final audio.policy.configuration.V6_0.MixType mux;
+  }
+
+  public class Modules {
+    ctor public Modules();
+    method public java.util.List<audio.policy.configuration.V6_0.Modules.Module> getModule();
+  }
+
+  public static class Modules.Module {
+    ctor public Modules.Module();
+    method public audio.policy.configuration.V6_0.AttachedDevices getAttachedDevices();
+    method public String getDefaultOutputDevice();
+    method public audio.policy.configuration.V6_0.DevicePorts getDevicePorts();
+    method public audio.policy.configuration.V6_0.HalVersion getHalVersion();
+    method public audio.policy.configuration.V6_0.MixPorts getMixPorts();
+    method public String getName();
+    method public audio.policy.configuration.V6_0.Routes getRoutes();
+    method public void setAttachedDevices(audio.policy.configuration.V6_0.AttachedDevices);
+    method public void setDefaultOutputDevice(String);
+    method public void setDevicePorts(audio.policy.configuration.V6_0.DevicePorts);
+    method public void setHalVersion(audio.policy.configuration.V6_0.HalVersion);
+    method public void setMixPorts(audio.policy.configuration.V6_0.MixPorts);
+    method public void setName(String);
+    method public void setRoutes(audio.policy.configuration.V6_0.Routes);
+  }
+
+  public class Profile {
+    ctor public Profile();
+    method public String getChannelMasks();
+    method public String getFormat();
+    method public String getName();
+    method public String getSamplingRates();
+    method public void setChannelMasks(String);
+    method public void setFormat(String);
+    method public void setName(String);
+    method public void setSamplingRates(String);
+  }
+
+  public class Reference {
+    ctor public Reference();
+    method public String getName();
+    method public java.util.List<java.lang.String> getPoint();
+    method public void setName(String);
+  }
+
+  public enum Role {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.Role sink;
+    enum_constant public static final audio.policy.configuration.V6_0.Role source;
+  }
+
+  public class Routes {
+    ctor public Routes();
+    method public java.util.List<audio.policy.configuration.V6_0.Routes.Route> getRoute();
+  }
+
+  public static class Routes.Route {
+    ctor public Routes.Route();
+    method public String getSink();
+    method public String getSources();
+    method public audio.policy.configuration.V6_0.MixType getType();
+    method public void setSink(String);
+    method public void setSources(String);
+    method public void setType(audio.policy.configuration.V6_0.MixType);
+  }
+
+  public enum Stream {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_ACCESSIBILITY;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_ALARM;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_BLUETOOTH_SCO;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_DTMF;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_ENFORCED_AUDIBLE;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_MUSIC;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_NOTIFICATION;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_PATCH;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_REROUTING;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_RING;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_SYSTEM;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_TTS;
+    enum_constant public static final audio.policy.configuration.V6_0.Stream AUDIO_STREAM_VOICE_CALL;
+  }
+
+  public class SurroundFormats {
+    ctor public SurroundFormats();
+    method public java.util.List<audio.policy.configuration.V6_0.SurroundFormats.Format> getFormat();
+  }
+
+  public static class SurroundFormats.Format {
+    ctor public SurroundFormats.Format();
+    method public audio.policy.configuration.V6_0.AudioFormat getName();
+    method public java.util.List<audio.policy.configuration.V6_0.AudioFormat> getSubformats();
+    method public void setName(audio.policy.configuration.V6_0.AudioFormat);
+    method public void setSubformats(java.util.List<audio.policy.configuration.V6_0.AudioFormat>);
+  }
+
+  public class SurroundSound {
+    ctor public SurroundSound();
+    method public audio.policy.configuration.V6_0.SurroundFormats getFormats();
+    method public void setFormats(audio.policy.configuration.V6_0.SurroundFormats);
+  }
+
+  public enum Version {
+    method public String getRawName();
+    enum_constant public static final audio.policy.configuration.V6_0.Version _1_0;
+  }
+
+  public class Volume {
+    ctor public Volume();
+    method public audio.policy.configuration.V6_0.DeviceCategory getDeviceCategory();
+    method public java.util.List<java.lang.String> getPoint();
+    method public String getRef();
+    method public audio.policy.configuration.V6_0.Stream getStream();
+    method public void setDeviceCategory(audio.policy.configuration.V6_0.DeviceCategory);
+    method public void setRef(String);
+    method public void setStream(audio.policy.configuration.V6_0.Stream);
+  }
+
+  public class Volumes {
+    ctor public Volumes();
+    method public java.util.List<audio.policy.configuration.V6_0.Reference> getReference();
+    method public java.util.List<audio.policy.configuration.V6_0.Volume> getVolume();
+  }
+
+  public class XmlParser {
+    ctor public XmlParser();
+    method public static audio.policy.configuration.V6_0.AudioPolicyConfiguration read(java.io.InputStream) throws javax.xml.datatype.DatatypeConfigurationException, java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method public static String readText(org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method public static void skip(org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+  }
+
+}
+
diff --git a/audio/6.0/config/api/last_current.txt b/audio/6.0/config/api/last_current.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/6.0/config/api/last_current.txt
diff --git a/audio/6.0/config/api/last_removed.txt b/audio/6.0/config/api/last_removed.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/6.0/config/api/last_removed.txt
diff --git a/audio/6.0/config/api/removed.txt b/audio/6.0/config/api/removed.txt
new file mode 100644
index 0000000..d802177
--- /dev/null
+++ b/audio/6.0/config/api/removed.txt
@@ -0,0 +1 @@
+// Signature format: 2.0
diff --git a/audio/6.0/config/audio_policy_configuration.xsd b/audio/6.0/config/audio_policy_configuration.xsd
new file mode 100644
index 0000000..0dc89bb
--- /dev/null
+++ b/audio/6.0/config/audio_policy_configuration.xsd
@@ -0,0 +1,624 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+         Licensed under the Apache License, Version 2.0 (the "License");
+         you may not use this file except in compliance with the License.
+         You may obtain a copy of the License at
+
+                    http://www.apache.org/licenses/LICENSE-2.0
+
+         Unless required by applicable law or agreed to in writing, software
+         distributed under the License is distributed on an "AS IS" BASIS,
+         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+         See the License for the specific language governing permissions and
+         limitations under the License.
+-->
+<!-- TODO: define a targetNamespace. Note that it will break retrocompatibility -->
+<xs:schema version="2.0"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema">
+    <!-- List the config versions supported by audio policy. -->
+    <xs:simpleType name="version">
+        <xs:restriction base="xs:decimal">
+            <xs:enumeration value="1.0"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="halVersion">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Version of the interface the hal implements.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:decimal">
+            <!-- List of HAL versions supported by the framework. -->
+            <xs:enumeration value="2.0"/>
+            <xs:enumeration value="3.0"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:element name="audioPolicyConfiguration">
+        <xs:complexType>
+            <xs:sequence>
+                <xs:element name="globalConfiguration" type="globalConfiguration"/>
+                <xs:element name="modules" type="modules" maxOccurs="unbounded"/>
+                <xs:element name="volumes" type="volumes" maxOccurs="unbounded"/>
+                <xs:element name="surroundSound" type="surroundSound" minOccurs="0" />
+            </xs:sequence>
+            <xs:attribute name="version" type="version"/>
+        </xs:complexType>
+        <xs:key name="moduleNameKey">
+            <xs:selector xpath="modules/module"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:unique name="volumeTargetUniqueness">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@stream"/>
+            <xs:field xpath="@deviceCategory"/>
+        </xs:unique>
+        <xs:key name="volumeCurveNameKey">
+            <xs:selector xpath="volumes/reference"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:keyref name="volumeCurveRef" refer="volumeCurveNameKey">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@ref"/>
+        </xs:keyref>
+    </xs:element>
+    <xs:complexType name="globalConfiguration">
+        <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/>
+    </xs:complexType>
+    <xs:complexType name="modules">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                There should be one section per audio HW module present on the platform.
+                Each <module/> contains two mandatory tags: “halVersion” and “name”.
+                The module "name" is the same as in previous .conf file.
+                Each module must contain the following sections:
+                 - <devicePorts/>: a list of device descriptors for all
+                   input and output devices accessible via this module.
+                   This contains both permanently attached devices and removable devices.
+                 - <mixPorts/>: listing all output and input streams exposed by the audio HAL
+                 - <routes/>: list of possible connections between input
+                   and output devices or between stream and devices.
+                   A <route/> is defined by a set of 3 attributes:
+                        -"type": mux|mix means all sources are mutual exclusive (mux) or can be mixed (mix)
+                        -"sink": the sink involved in this route
+                        -"sources": all the sources than can be connected to the sink via this route
+                 - <attachedDevices/>: permanently attached devices.
+                   The attachedDevices section is a list of devices names.
+                   Their names correspond to device names defined in "devicePorts" section.
+                 - <defaultOutputDevice/> is the device to be used when no policy rule applies
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="module" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="attachedDevices" type="attachedDevices" minOccurs="0">
+                            <xs:unique name="attachedDevicesUniqueness">
+                                <xs:selector xpath="item"/>
+                                <xs:field xpath="."/>
+                            </xs:unique>
+                        </xs:element>
+                        <xs:element name="defaultOutputDevice" type="xs:token" minOccurs="0"/>
+                        <xs:element name="mixPorts" type="mixPorts" minOccurs="0"/>
+                        <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/>
+                        <xs:element name="routes" type="routes" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:string" use="required"/>
+                    <xs:attribute name="halVersion" type="halVersion" use="required"/>
+                </xs:complexType>
+                <xs:unique name="mixPortNameUniqueness">
+                    <xs:selector xpath="mixPorts/mixPort"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+                <xs:key name="devicePortNameKey">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@tagName"/>
+                </xs:key>
+                <xs:unique name="devicePortUniqueness">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@type"/>
+                    <xs:field xpath="@address"/>
+                </xs:unique>
+                <xs:keyref name="defaultOutputDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="defaultOutputDevice"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <xs:keyref name="attachedDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="attachedDevices/item"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <!-- The following 3 constraints try to make sure each sink port
+                     is reference in one an only one route. -->
+                <xs:key name="routeSinkKey">
+                    <!-- predicate [@type='sink'] does not work in xsd 1.0 -->
+                    <xs:selector xpath="devicePorts/devicePort|mixPorts/mixPort"/>
+                    <xs:field xpath="@tagName|@name"/>
+                </xs:key>
+                <xs:keyref name="routeSinkRef" refer="routeSinkKey">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:keyref>
+                <xs:unique name="routeUniqueness">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="attachedDevices">
+        <xs:sequence>
+            <xs:element name="item" type="xs:token" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    <!-- TODO: separate values by space for better xsd validations. -->
+    <xs:simpleType name="audioInOutFlags">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                "|" separated list of audio_output_flags_t or audio_input_flags_t.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:pattern value="|[_A-Z]+(\|[_A-Z]+)*"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="role">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="sink"/>
+            <xs:enumeration value="source"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="mixPorts">
+        <xs:sequence>
+            <xs:element name="mixPort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="flags" type="audioInOutFlags"/>
+                    <xs:attribute name="maxOpenCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="maxActiveCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="preferredUsage" type="audioUsageList">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                When choosing the mixPort of an audio track, the audioPolicy
+                                first considers the mixPorts with a preferredUsage including
+                                the track AudioUsage preferred .
+                                If non support the track format, the other mixPorts are considered.
+                                Eg: a <mixPort preferredUsage="AUDIO_USAGE_MEDIA" /> will receive
+                                    the audio of all apps playing with a MEDIA usage.
+                                    It may receive audio from ALARM if there are no audio compatible
+                                    <mixPort preferredUsage="AUDIO_USAGE_ALARM" />.
+                             </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                </xs:complexType>
+                <xs:unique name="mixPortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="mixPortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <!-- Enum values of audio_device_t in audio.h
+         TODO: generate from hidl to avoid manual sync.
+         TODO: separate source and sink in the xml for better xsd validations. -->
+    <xs:simpleType name="audioDevice">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_DEVICE_NONE"/>
+
+            <xs:enumeration value="AUDIO_DEVICE_OUT_EARPIECE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADPHONE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_TELEPHONY_TX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_FM"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER_SAFE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HEARING_AID"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ECHO_CANCELLER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_STUB"/>
+
+            <!-- Due to the xml format, IN types can not be a separated from OUT types -->
+            <xs:enumeration value="AUDIO_DEVICE_IN_COMMUNICATION"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AMBIENT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUILTIN_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TELEPHONY_RX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BACK_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_FM_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TV_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LOOPBACK"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_BLE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ECHO_REFERENCE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_STUB"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="vendorExtension">
+        <!-- Vendor extension names must be prefixed by "VX_" to distinguish them from AOSP values.
+             Vendor are encouraged to namespace their module names to avoid conflicts.
+             Example for an hypothetical Google virtual reality device:
+                <devicePort tagName="VR" type="VX_GOOGLE_VR" role="sink">
+        -->
+        <xs:restriction base="xs:string">
+            <xs:pattern value="VX_[_a-zA-Z0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioDevice">
+        <xs:union memberTypes="audioDevice vendorExtension"/>
+    </xs:simpleType>
+    <!-- Enum values of audio_format_t in audio.h
+         TODO: generate from hidl to avoid manual sync. -->
+    <xs:simpleType name="audioFormat">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" />
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_24_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_FLOAT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_24_BIT_PACKED"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP3"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_NB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_VORBIS"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_OPUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_IEC61937"/>
+            <xs:enumeration value="AUDIO_FORMAT_DOLBY_TRUEHD"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRC"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCWB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCNW"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADIF"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA_PRO"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB_PLUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP2"/>
+            <xs:enumeration value="AUDIO_FORMAT_QCELP"/>
+            <xs:enumeration value="AUDIO_FORMAT_DSD"/>
+            <xs:enumeration value="AUDIO_FORMAT_FLAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_ALAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_SBC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC4"/>
+            <xs:enumeration value="AUDIO_FORMAT_LDAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_CELT"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_ADAPTIVE"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioFormat">
+        <xs:union memberTypes="audioFormat vendorExtension"/>
+    </xs:simpleType>
+    <!-- Enum values of audio::common::4_0::AudioUsage
+         TODO: generate from HIDL to avoid manual sync. -->
+    <xs:simpleType name="audioUsage">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_USAGE_UNKNOWN" />
+            <xs:enumeration value="AUDIO_USAGE_MEDIA" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING" />
+            <xs:enumeration value="AUDIO_USAGE_ALARM" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_GAME" />
+            <xs:enumeration value="AUDIO_USAGE_VIRTUAL_SOURCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANT" />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioUsageList">
+        <xs:list itemType="audioUsage"/>
+    </xs:simpleType>
+    <!-- TODO: Change to a space separated list to xsd enforce correctness. -->
+    <xs:simpleType name="samplingRates">
+        <xs:restriction base="xs:string">
+            <xs:pattern value="[0-9]+(,[0-9]+)*"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <!-- TODO: Change to a space separated list to xsd enforce correctness. -->
+    <xs:simpleType name="channelMask">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Comma (",") separated list of channel flags
+                from audio_channel_mask_t.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:pattern value="[_A-Z][_A-Z0-9]*(,[_A-Z][_A-Z0-9]*)*"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="profile">
+        <xs:attribute name="name" type="xs:token" use="optional"/>
+        <xs:attribute name="format" type="extendableAudioFormat" use="optional"/>
+        <xs:attribute name="samplingRates" type="samplingRates" use="optional"/>
+        <xs:attribute name="channelMasks" type="channelMask" use="optional"/>
+    </xs:complexType>
+    <xs:simpleType name="gainMode">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_GAIN_MODE_JOINT"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_CHANNELS"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_RAMP"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="gains">
+        <xs:sequence>
+            <xs:element name="gain" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="mode" type="gainMode" use="required"/>
+                    <xs:attribute name="channel_mask" type="channelMask" use="optional"/>
+                    <xs:attribute name="minValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="defaultValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="stepValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="minRampMs" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxRampMs" type="xs:int" use="optional"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="devicePorts">
+        <xs:sequence>
+            <xs:element name="devicePort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="tagName" type="xs:token" use="required"/>
+                    <xs:attribute name="type" type="extendableAudioDevice" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="address" type="xs:string" use="optional" default=""/>
+                    <!-- Note that XSD 1.0 can not check that a type only has one default. -->
+                    <xs:attribute name="default" type="xs:boolean" use="optional">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                The default device will be used if multiple have the same type
+                                and no explicit route request exists for a specific device of
+                                that type.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                    <xs:attribute name="encodedFormats" type="audioFormatsList" use="optional"
+                                  default="" />
+                </xs:complexType>
+                <xs:unique name="devicePortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="devicePortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="mixType">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="mix"/>
+            <xs:enumeration value="mux"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="routes">
+        <xs:sequence>
+            <xs:element name="route" minOccurs="0" maxOccurs="unbounded">
+                <xs:annotation>
+                    <xs:documentation xml:lang="en">
+                        List all available sources for a given sink.
+                    </xs:documentation>
+                </xs:annotation>
+                <xs:complexType>
+                    <xs:attribute name="type" type="mixType" use="required"/>
+                    <xs:attribute name="sink" type="xs:string" use="required"/>
+                    <xs:attribute name="sources" type="xs:string" use="required"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="volumes">
+        <xs:sequence>
+            <xs:element name="volume" type="volume" minOccurs="0" maxOccurs="unbounded"/>
+            <xs:element name="reference" type="reference" minOccurs="0" maxOccurs="unbounded">
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <!-- TODO: Always require a ref for better xsd validations.
+               Currently a volume could have no points nor ref
+               as it can not be forbidden by xsd 1.0.-->
+    <xs:simpleType name="volumePoint">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Comma separated pair of number.
+                The fist one is the framework level (between 0 and 100).
+                The second one is the volume to send to the HAL.
+                The framework will interpolate volumes not specified.
+                Their MUST be at least 2 points specified.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:pattern value="([0-9]{1,2}|100),-?[0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <!-- Enum values of audio_stream_type_t in audio-base.h
+         TODO: generate from hidl to avoid manual sync. -->
+    <xs:simpleType name="stream">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_STREAM_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_STREAM_SYSTEM"/>
+            <xs:enumeration value="AUDIO_STREAM_RING"/>
+            <xs:enumeration value="AUDIO_STREAM_MUSIC"/>
+            <xs:enumeration value="AUDIO_STREAM_ALARM"/>
+            <xs:enumeration value="AUDIO_STREAM_NOTIFICATION"/>
+            <xs:enumeration value="AUDIO_STREAM_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_STREAM_ENFORCED_AUDIBLE"/>
+            <xs:enumeration value="AUDIO_STREAM_DTMF"/>
+            <xs:enumeration value="AUDIO_STREAM_TTS"/>
+            <xs:enumeration value="AUDIO_STREAM_ACCESSIBILITY"/>
+            <xs:enumeration value="AUDIO_STREAM_REROUTING"/>
+            <xs:enumeration value="AUDIO_STREAM_PATCH"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <!-- Enum values of device_category from Volume.h.
+         TODO: generate from hidl to avoid manual sync. -->
+    <xs:simpleType name="deviceCategory">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="DEVICE_CATEGORY_HEADSET"/>
+            <xs:enumeration value="DEVICE_CATEGORY_SPEAKER"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EARPIECE"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EXT_MEDIA"/>
+            <xs:enumeration value="DEVICE_CATEGORY_HEARING_AID"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="volume">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Volume section defines a volume curve for a given use case and device category.
+                It contains a list of points of this curve expressing the attenuation in Millibels
+                for a given volume index from 0 to 100.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </volume>
+
+                It may also reference a reference/@name to avoid duplicating curves.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER"
+                        ref="DEFAULT_MEDIA_VOLUME_CURVE"/>
+                <reference name="DEFAULT_MEDIA_VOLUME_CURVE">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </reference>
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="stream" type="stream"/>
+        <xs:attribute name="deviceCategory" type="deviceCategory"/>
+        <xs:attribute name="ref" type="xs:token" use="optional"/>
+    </xs:complexType>
+    <xs:complexType name="reference">
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="2" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="name" type="xs:token" use="required"/>
+    </xs:complexType>
+    <xs:complexType name="surroundSound">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Surround Sound section provides configuration related to handling of
+                multi-channel formats.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="formats" type="surroundFormats"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioFormatsList">
+        <xs:list itemType="audioFormat" />
+    </xs:simpleType>
+    <xs:complexType name="surroundFormats">
+        <xs:sequence>
+            <xs:element name="format" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="audioFormat" use="required"/>
+                    <xs:attribute name="subformats" type="audioFormatsList" />
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+</xs:schema>