Hi Pauli,
> According to user reports, how HCI_Enhanced_Setup_Synchronous_Connection
> is currently used to establish MSBC connections results to broken audio
> on some adapters (QCA6174, mt7921e).
>
> Revert to previous behavior of using HCI_Setup_Synchronous_Connection,
> unless the user has explicitly set BT_CODEC sockopt. Since bt_codec
> contents come from Core specification, use a separate flag for the
> setting.
>
> Fixes: b2af264ad3af ("Bluetooth: Add support for HCI_Enhanced_Setup_Synchronous_Connection command")
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=215576
> Signed-off-by: Pauli Virtanen <pav@xxxxxx>
> ---
>
> Notes:
> Maybe we want to use the ESCO connect setup only when userspace has
> requested the codec offload support. I don't have any of the broken
> hardware myself, so this is not tested on them.
>
> Alternatively, there should be some driver quirk to indicate the
> enhanced sco connection setup is not broken.
yes, these needs to be marked as my hardware is broken.
