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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 09:14:01 +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 09:14:00 +0000 Message-ID: <831f4178-028e-4376-ba42-b3058bdbc04a@amlogic.com> Date: Tue, 10 Nov 2026 17:13:56 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/7] Bluetooth: add a quirk for controllers that hang on Write Current IAC LAP 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> <20261025192338.209574-3-christian.koever-draxl@student.uibk.ac.at> <2b75bc46-3e93-449a-b13a-2cc4ba8cf755@amlogic.com> Content-Language: en-US From: Yang Li In-Reply-To: Content-Type: text/plain; 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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   fw_version: date = 09.08, number = 0x15d2 Your firmware bin is outdated; this build is LE-only. Please test with the latest firmware. https://lore.kernel.org/all/20261110-upgrade_w155s2_bin-v1-1-4533ba6005cd@amlogic.com/ > > On that firmware the controller stops answering any HCI command right > after Write Current IAC LAP, until the chip is power-cycled. If a newer > firmware fixes this, I am happy to test it. > > Best regards, > Christian K.-D.