Bluetooth HFP is not working on Android T build, A2dp streaming works

Which Khadas SBC do you use?

android T sbc

Which system do you use? Android, Ubuntu, OOWOW or others?

Android T

Which version of system do you use? Khadas official images, self built images, or others?

Khadas official images

Please describe your issue below:

1.Followed android T brigngup step from below mention link.

2.Connected Broadcom BT chip to USB3 port.
3.Connected Ethernet for internet.
4.Install skype and music player to android T using apk.
5.connected headset check music streaming it is working fine.
6.Initialed call from skype application received called but not receiving any audio

Post a console log of your issue below:

adb logcat:
HFP is not set active during connection:

12139 09-15 11:28:19.241 923 1184 I HeadsetService: setActiveDevice: device=00:1B:66:C9:27:A3, uid/pid=1002/923
12143 09-15 11:28:19.242 666 666 I AS.BtHelper: receiveBtEvent action: android.bluetooth.headset.profile.action.ACTIVE_DEVICE_CHANGED mScoAudioState: 0
12144 09-15 11:28:19.242 666 666 I AS.BtHelper: setBtScoActiveDevice: (null) → XX:XX:XX:C9:27:A3
12159 09-15 11:28:19.247 441 1870 E APM::HwModule: createDevice: could not find HW module for device 0010 address 00:1B:66:C9:27:A3
12163 09-15 11:28:19.248 666 666 E AudioSystem-JNI: Command failed for android_media_AudioSystem_setDeviceConnectionState: -38
12164 09-15 11:28:19.248 666 666 E AS.AudioDeviceInventory: not connecting device 0x10 due to command error 1
12167 09-15 11:28:19.249 666 666 E AudioSystem-JNI: Command failed for android_media_AudioSystem_setDeviceConnectionState: -38
12168 09-15 11:28:19.249 666 666 E AS.AudioDeviceInventory: not connecting device 0x80000008 due to command error 1
12169 09-15 11:28:19.249 666 666 E AS.BtHelper: setBtScoActiveDevice() failed to add new device XX:XX:XX:C9:27:A3

during call

14813 09-15 10:18:36.599 2069 2069 I BluetoothScoControl: startSco { start_counter: 0 }
14814 09-15 10:18:36.601 670 796 I AS.AudioDeviceBroker: setCommunicationRouteForClient for pid: 2069 device: AudioDeviceAttributes: role:output type:bt_sco addr: name: profiles:[] descriptors:[] from API: startBluetoothSco()) from u/pid:10078/2069
14815 09-15 10:18:36.601 670 796 W AS.BtHelper: requestScoState: no active device while connecting, mScoAudioMode=0
14816 09-15 10:18:36.601 670 796 W AS.AudioDeviceBroker: setCommunicationRouteForClient: failure to start BT SCO for pid: 2069
14902 09-15 10:18:36.627 521 2686 D CCodec : string mime = “audio/mp4a-latm”
14918 09-15 10:18:36.627 521 2686 D CCodec : string mime = “audio/raw”
15044 09-15 10:18:36.660 521 2686 D CCodecBuffers: string mime = “audio/raw”

audio_policy_configuration.xml I am seeing only HDMI out, not bluetooth device.
Do, I needs to do any configuration change?
With same setup A2dp streaming is working.
Please help me to resolve this issue.