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dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amlogic.com; Received: from JH0PR03MB9035.apcprd03.prod.outlook.com (2603:1096:990:7c::13) by JH0PR03MB8049.apcprd03.prod.outlook.com (2603:1096:990:3e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.592.13; Tue, 10 Nov 2026 09:11:27 +0000 Received: from JH0PR03MB9035.apcprd03.prod.outlook.com ([fe80::77d4:2931:4c4e:1cee]) by JH0PR03MB9035.apcprd03.prod.outlook.com ([fe80::77d4:2931:4c4e:1cee%4]) with mapi id 15.21.0592.012; Tue, 10 Nov 2026 09:11:27 +0000 Message-ID: Date: Tue, 10 Nov 2026 17:11:23 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/7] Bluetooth: add a quirk for controllers that cannot enable Secure Connections To: =?UTF-8?Q?Christain_Stefan_K=C3=B6ver-Draxl?= Cc: marcel@holtmann.org, luiz.dentz@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-bluetooth@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261025192338.209574-1-christian.koever-draxl@student.uibk.ac.at> <20261025192338.209574-2-christian.koever-draxl@student.uibk.ac.at> <5d5a22a5-b45e-4cf8-9066-e0e641d719bb@amlogic.com> Content-Language: en-US From: Yang Li In-Reply-To: Content-Type: text/plain; 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See the link below. https://lore.kernel.org/all/20261110-upgrade_w155s2_bin-v1-1-4533ba6005cd@amlogic.com/ > > On 11/5/26 10:19, Yang Li wrote: >> This appears to be an anomaly with the firmware binary. Could you >> provide the FW version in use? It is logged during Bluetooth driver >> initialization. > > Hi Yang, > > the controller reports > >   fw_version: date = 09.08, number = 0x15d2 > > The firmware is not the linux-firmware one: aml_w155s2_bt_uart.bin from > linux-firmware downloads without errors on this board and then never > starts (no HCI event after the download). The one that works is the > firmware embedded in the vendor Android libbt-vendor_aml.so of this box > (X98Q, S905W2), 0x60000 bytes. I load it as aml_w1_bt_uart.bin. > > If there is a newer firmware without this behaviour, I would be glad to > test it, and if it fixes it I would rather drop the quirk than add it. > Is the linux-firmware image meant for this chip revision, or should it > start as well? > > Kind regards, > Christian K.-D.