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Linux/WL1837MOD: Can't connect Bluetooth headset

Yaroslav Shevchinsky
Prodigy 90 points
Part Number: WL1837MOD

Tool/software: Linux

Hello,

We are using System On Module, based on NXP's i.MX6 and with TI's WL1837MOD.

OS is Linux.

Audio server is Pulseaudio.

Problem description:

After pairing with BT headset and connecting to it, only "High Fidelity Playback (A2DP Sink)” profile is available.

(We a able to play audio through it)

But no “Headset Head Unit (HSP/HFP)” profile is available.

Questions:

1. Does the module support "Headset Head Unit (HSP/HFP)” profile at all?

2. If no, what profile I need to use a BT headset?

3. If yes, how to enable it?

Thanks a lot,

Yaroslav

  • 0
    Prodigy 90 points
    Some additional info from dmesg:
    wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11)
    wlcore: PHY firmware version: Rev 8.2.0.0.240
    wlcore: firmware booted (Rev 8.9.0.0.76)

    uname -a
    Linux linux 3.14.79-fslc-imx6-sr #1 SMP Fri Oct 20 18:16:19 UTC 2017 armv7l GNU/Linux

    bluetoothd --version
    5.47

    pulseaudio --version
    pulseaudio 5.0
  • 0
    TI__Mastermind 29291 points

    Yaroslav Shevchinsky said:

    1. Does the module support "Headset Head Unit (HSP/HFP)” profile at all?

    2. If no, what profile I need to use a BT headset?

    3. If yes, how to enable it?

    The module contains the Bluetooth controller and from the controller's perspective, all profile data are just raw ACL data. In other words, A2DP or HFP profiles are part of much higher level software that resides in the host stack and not in the Bluetooth controller.

    The profiles are part of your host stack (i assume BlueZ in this case). Only the TI dual-mode Bluetooth stack is supported on these forums. For your query, please check on open source Linux forums about how to enable HFP profile in the Bluetooth stack you are using. 

    Best regards,

    Vihang

  • 0 in reply to Vihang Parmar
    Prodigy 90 points

    Hello Vihang,

    Thank you for your reply.

    I am more a hardware(board design) guy, so all this is new for me.

    I would like to use TI dual-mode Bluetooth stack in my product.

    Where I can find it, and were I can get instructions for installing it?

    When I will have it, I will come back here for more help

    Thank you,

    Yaroslav