linux-kernel - Re: [PATCH v10 2/2] btbcm: disable read tx power for some Macs with the T2 Security chip

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Message-Id: <BF89065D-FE7B-4E57-BFEF-DEACC67C25AB@holtmann.org>
Date:   Fri, 3 Dec 2021 22:28:06 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Aditya Garg <gargaditya08@...e.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Thorsten Leemhuis <regressions@...mhuis.info>,
        Orlando Chamberlain <redecorating@...tonmail.com>,
        Daniel Winkler <danielwinkler@...gle.com>,
        Johan Hedberg <johan.hedberg@...el.com>,
        "linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>,
        "sonnysasaka@...omium.org" <sonnysasaka@...omium.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH v10 2/2] btbcm: disable read tx power for some Macs with
 the T2 Security chip

Hi Aditya,

> Some Macs with the T2 security chip had Bluetooth not working.
> To fix it we add DMI based quirks to disable querying of LE Tx power.
> 
> Signed-off-by: Aditya Garg <gargaditya08@...e.com>
> Reported-by: Orlando Chamberlain <redecorating@...tonmail.com>
> Tested-by: Orlando Chamberlain <redecorating@...tonmail.com>
> Link:
> https://lore.kernel.org/r/4970a940-211b-25d6-edab-21a815313954@protonmail.com
> Fixes: 7c395ea521e6 ("Bluetooth: Query LE tx power on startup")
> Cc: stable@...r.kernel.org
> ---
> v7 :- Removed unused variable and added Tested-by.
> v8 :- No change.
> v9 :- Add Cc: stable@...r.kernel.org
> v10 :- Fix gitlint
> drivers/bluetooth/btbcm.c | 39 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel