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(p200300ea8f232800f88acca6feeecbdc.dip0.t-ipconnect.de. [2003:ea:8f23:2800:f88a:cca6:feee:cbdc]) by smtp.googlemail.com with ESMTPSA id q17sm11556415wro.36.2020.11.21.14.12.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 21 Nov 2020 14:12:33 -0800 (PST) To: Kiran K , Kiran K Cc: BlueZ development From: Heiner Kallweit Subject: Firmware version read error on Intel AX210 Message-ID: <89a134d0-c6f6-c685-2aeb-7dc5eee1966f@gmail.com> Date: Sat, 21 Nov 2020 23:12:26 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org I have a new AX210 WiFi/Bluetooth card and btintel_read_version() fails with error -22 (EINVAL). Underlying error is that the firmware version read command returns with hdev->req_result = 18 (0x12). (req_status = 0) >From what I've read this means invalid command parameters. Did something change with AX210 and command 0xfc05 requires specific parameters now? Or what else may cause this issue?