New: mSBC codec not supported for 0e8d:0616 (MediaTek RZ616)

https://bugzilla.kernel.org/show_bug.cgi?id=216615

            Bug ID: 216615
           Summary: mSBC codec not supported for 0e8d:0616 (MediaTek
                    RZ616)
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.19.0-21-generic
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Bluetooth
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

Created attachment 303073
--> https://bugzilla.kernel.org/attachment.cgi?id=303073&action=edit
Logs for multiple relevant commands

- Ubuntu ticket: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2783
- Pipewire ticket:
https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2783

---

While the bluetooth adapter 0e8d:0616 is supposed to support HFP/mSBC (detected as such by pipewire), when switching to it, it fails and fall back to the low quality HFP/CVSD audio codec.

According to pipewire's dev, it could be an issue with the driver for that specific adapter since my headset (Pixel Buds Pro) works well on another machine with the exact same software stack (Ubuntu 22.10) but another bluetooth adapter where the Pixel Buds Pro works well with HFP/mSBC.

See logs attached.

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https://bugzilla.kernel.org/show_bug.cgi?id=216615

--- Comment #1 from [email protected] ---
(Correct link for Ubuntu ticket:
https://bugs.launchpad.net/ubuntu/+source/pipewire/+bug/1993668)

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