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[209.132.180.67]) by mx.google.com with ESMTP id s5si757595oib.274.2019.12.07.10.27.19; Sat, 07 Dec 2019 10:28:00 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@rajagiritech-edu-in.20150623.gappssmtp.com header.s=20150623 header.b=LG7Q8Mzt; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726552AbfLGSV7 (ORCPT + 99 others); Sat, 7 Dec 2019 13:21:59 -0500 Received: from mail-pl1-f178.google.com ([209.85.214.178]:44738 "EHLO mail-pl1-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726455AbfLGSV6 (ORCPT ); Sat, 7 Dec 2019 13:21:58 -0500 Received: by mail-pl1-f178.google.com with SMTP id bh2so2941917plb.11 for ; Sat, 07 Dec 2019 10:21:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rajagiritech-edu-in.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=rYZBBRiANlnOnFi8ovHE2DcSrsXS2fMjDZoBxr32+zA=; b=LG7Q8Mzt++H1r7POjXW1vG6DbiR9S7FNET3iDS1KAXERZ+8citglJyzcXQkNyLneWv 5kTpn2FaJjjGICZ9n9Gc8K1c7xp+fSYlzglaXGvzNIwjg/LubEtKo1MUD7Id6GqkT3WV 5ElLslm4TU5iijSUOEhoO0aLC+ZXIg6ej7C4t+v8t7sq0ovx1zMuOOZVGjze/wbGc0Bo 61WjoZQrVMRt5O5ecSNcsvqnmUQ2ZgxwhnFWwFYVqBg/UbA4oaScGj2UUCn9+hsIhjbs rnbsjCxgqZRkhCcz2OU77jC+dFO3Dp8t9Hv7N11D2B2+4mfu99RO2n9f9qpe3yfEeY8g 7ZMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=rYZBBRiANlnOnFi8ovHE2DcSrsXS2fMjDZoBxr32+zA=; b=DuE//lhY+9W1i9Ef4IEmXnrpa/gNTuaU6tHeT3G4/Hi8BFyALGG2EKuH3Ne7jPjQ6A sz8VsuyCtx+Rnok1ZzBqCt3RHGFp7qbUAV6umGZcNLjIXWKbolD79xKKfVVhvCS6qqWA qjs4QKtM2lS36ddszhi7cswMTzn0gTeuk9pTg6rboks5tjHeYvUHqhH0Jl8Ouc1/A/Xp Z8xU+wddPv+qAya/WTRFONNLPdoARqcrp2vFKUtjscH78cmwg0ImuY+tHEy8fahjC0yJ 9DwtsJq1iCpWoG0fczcXOO6Oy2jXEUAk1f0b2tUqBuATxbhbOvnKsX4JZK9WfDEyRLWz b/ig== X-Gm-Message-State: APjAAAU8k0fhDdwODnFQW1uBohjTLTFyYQD0W5JVx08NaSsD9cCUYVQk o3jKNjLwLM7oi/AxUjYGGz7tTQ== X-Received: by 2002:a17:90a:7bc3:: with SMTP id d3mr23367973pjl.86.1575742918122; Sat, 07 Dec 2019 10:21:58 -0800 (PST) Received: from debian ([122.164.203.149]) by smtp.gmail.com with ESMTPSA id r4sm6993968pji.11.2019.12.07.10.21.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 10:21:57 -0800 (PST) Date: Sat, 7 Dec 2019 23:51:52 +0530 From: Jeffrin Jose To: laurent.pinchart@ideasonboard.com, mchehab@kernel.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PROBLEM] uvcvideo: Failed to query (GET_INFO) UVC control Message-ID: <20191207182152.GB5280@debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hello, i get this output piece from "dmesg -l err" of kernel 5.4.2 -------------------x---------------------------x------------------ uvcvideo: Failed to query (GET_INFO) UVC control 6 on unit 1: -32 (exp. 1). uvcvideo: Failed to query (GET_INFO) UVC control 7 on unit 1: -32 (exp. 1). -------------------x----------------------------x----------------- Additional information: Linux debian 5.4.2 #17 SMP Sat Dec 7 01:39:12 IST 2019 x86_64 GNU/Linux Relevant file: drivers/media/usb/uvc/uvc_video.c -- software engineer rajagiri school of engineering and technology