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Subject: Re: [PATCH v10 1/2] Bluetooth: add quirk disabling LE Read Transmit
 Power
From: Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <DCEC0C45-D974-4DC7-9E86-8F2D3D8F7E1D@live.com>
Date: Fri, 3 Dec 2021 22:28:08 +0100
Cc: Greg KH <gregkh@linuxfoundation.org>,
 Thorsten Leemhuis <regressions@leemhuis.info>,
 Orlando Chamberlain <redecorating@protonmail.com>,
 Daniel Winkler <danielwinkler@google.com>,
 Johan Hedberg <johan.hedberg@intel.com>,
 "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>,
 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
 Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
 "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
 "sonnysasaka@chromium.org" <sonnysasaka@chromium.org>,
 "stable@vger.kernel.org" <stable@vger.kernel.org>
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References: <3B8E16FA-97BF-40E5-9149-BBC3E2A245FE@live.com>
 <YZSuWHB6YCtGclLs@kroah.com> <52DEDC31-EEB2-4F39-905F-D5E3F2BBD6C0@live.com>
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To: Aditya Garg <gargaditya08@live.com>
X-Mailer: Apple Mail (2.3693.20.0.1.32)

Hi Aditya,

> Some devices have a bug causing them to not work if they query
> LE tx power on startup. Thus we add a quirk in order to not query it
> and default min/max tx power values to HCI_TX_POWER_INVALID.
>=20
> Signed-off-by: Aditya Garg <gargaditya08@live.com>
> Reported-by: Orlando Chamberlain <redecorating@protonmail.com>
> Tested-by: Orlando Chamberlain <redecorating@protonmail.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@vger.kernel.org
> ---
> v7 :- Added Tested-by.
> v8 :- Fix checkpatch error.
> v9 :- Remake patch for Bluetooth-next tree and add Cc: =
stable@vger.kernel.org
> v10 :- Fix gitlint
> include/net/bluetooth/hci.h | 9 +++++++++
> net/bluetooth/hci_sync.c    | 3 ++-
> 2 files changed, 11 insertions(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel