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Hi Infineon Team,
We are working with iMX8MM based on Android 11OS and using CYW43455 chip for BT and WiFi.
Our project requires A2DP sink and we have already tested and verified this feature with Android and iOS based phones.
But with iPhones, the volume control is not working, which is working perfectly with all Android phones. We tested with iOS 16 and above and its not working.
Could you please guide us in how to enable this?
Thanks,
Hrithik
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Hi,
We are working on this and will keep you posted.
Regards,
Tushar
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Hi @Tushar_b ,
Thanks for the response.
Using this .hcd file, the bluetooth doesnt get paired with iPhone!
I could see the below logs during the pairing process:
BluetoothBondStateMachine: Bond address is:D8:DC:40:ED:53:AC
bt_btif_config: btif_get_device_type: Device [d8:dc:40:ed:53:ac] type 1
bt_btif_dm: get_cod remote_cod = 0x007a020c
BluetoothBondStateMachine: Entering PendingCommandState State
bt_btif_dm: get_cod remote_cod = 0x007a020c
bt_btif_config: btif_get_device_type: Device [d8:dc:40:ed:53:ac] type 1
bt_btif_dm: get_cod remote_cod = 0x007a020c
BluetoothBondStateMachine: bondStateChangeCallback: Status: 0 Address: D8:DC:40:ED:53:AC newState: 1
bt_btif_config: btif_get_device_type: Device [d8:dc:40:ed:53:ac] type 1
BluetoothBondStateMachine: Bond State Change Intent:D8:DC:40:ED:53:AC BOND_NONE => BOND_BONDING
BluetoothEventManager: Got bonding state changed for D8:DC:40:ED:53:AC, but we have no record of that device.
BluetoothDatabase: updateDatabase D8:DC:40:ED:53:AC
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
android.hardware.bluetooth.hci_packetizer: OnDataReady: Unexpected EOF reading the payload!
bt_btif_config: btif_get_device_type: Device [d8:dc:40:ed:53:ac] type 1
bt_btif_dm: get_cod remote_cod = 0x007a020c
bt_stack: [ERROR:metric_id_allocator.cc(181)] BluetoothMetricIdAllocatorFailed to forget device because device is not in paired_device_cache_
BluetoothBondStateMachine: bondStateChangeCallback: Status: 0 Address: D8:DC:40:ED:53:AC newState: 0
bt_btif_config: btif_get_device_type: Device [d8:dc:40:ed:53:ac] type 1
BluetoothBondStateMachine: Bond State Change Intent:D8:DC:40:ED:53:AC BOND_BONDING => BOND_NONE
Kindly help me resolve this issue.
Thanks,
Hrithik
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Hi Hrithik,
Could you please share the CYW43455 module details and the previous .hcd file version?
Regards,
Tushar
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Hi @Tushar_b ,
Could you state what details you require for CYW43455 module?
Basically, this uses default broadcom HAL for its working.
Similarly, we are using default .hcd file as it was present in A11 repository.
How do I check the version of .hcd file? I am attaching the file for reference.
Thanks,
Hrithik
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Hi @Tushar_b ,
Any update on this issue?
Actually its a critical issue and we are basically stuck as even no fail logs are getting generated.
So, kindly help me here.
Thanks,
Hrithik
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Hi Hrithik,
Yes, we observed the issue while using the "BCM4345C0_003.001.025.0190.0000" hcd file.
We tested the attached .hcd and able to control the volume from phone.
Ensure to cross verify with the multiple Iphone for testing or unpair the previous device and initiate the connection again.
Regards,
Tushar
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Hi @Tushar_b ,
Using this FW file, A2DP sink works with iPhone but the original issue i.e android volume slider doesnt change when we change volume from iPhone.
If we set the volume at mid level from android screen, no sound is heard even if iphone volume is at max.
If we set the volume at max from android screen, using iPhone volume controls, volume gets changed. But we want the android slider to be in sync with iphone volume controls.
We tested with 3 different iPhones (iOS 16 and iOS 13) and we observed same results. Also, we are not able to observe any logs coming at that moment of volume controlling.
Kindly help us here.
Thanks,
Hrithik
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Hi @Tushar_b ,
Along with the .hcd file, maybe there's something else also to be enabled? Or some NVRAM parameter changes?
Could you please look into this issue as its getting very critical ?
Thanks,
Hrithik
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Hi Hrithik,
We are checking with the concerned SW team and will update you soon.
Regards,
Tushar
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Hi Hrithik,
Can you please move this query to Mycase system.
You can follow below to enter Mycase system.
Regards,
Tushar
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Hi @Tushar_b ,
I have created the case as you mentioned.
FYI, case number is IFX-230214-843572.
Thanks,
Hrithik