[Bug 215576] New: HSP/HFP mSBC profile broken with QCA6174

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215576

            Bug ID: 215576
           Summary: HSP/HFP mSBC profile broken with QCA6174
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.16.7
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: mike@mjones.io
        Regression: No

Created attachment 300405
  --> https://bugzilla.kernel.org/attachment.cgi?id=300405&action=edit
dmesg with 5.16.7

Between v5.15 and v5.16, mSBC via pipewire stopped working with the QCA6174
adapter.

Switching to the HSP/HFP profile with mSBC codec in pipewire produces a loud
buzzing sound, and the microphone does not function. When using PulseAudio
instead of pipewire, the buzzing is absent but audio input/output also don't
work.

Other users are reporting the same issue at [1].

I ran a git bisect between these two versions and the issue seems to have been
caused by this commit:

[b2af264ad3af437238c9500aa830ebcafb180e05] Bluetooth: Add support for
HCI_Enhanced_Setup_Synchronous_Connection command

[1] https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2019

-- 
You may reply to this email to add a comment.

You are receiving this mail because:
You are the assignee for the bug.