From patchwork Thu Mar 11 22:19:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda X-Patchwork-Id: 12132985 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F341C4332E for ; Thu, 11 Mar 2021 22:20:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 45E5E64FA7 for ; Thu, 11 Mar 2021 22:20:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230231AbhCKWT7 (ORCPT ); Thu, 11 Mar 2021 17:19:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229674AbhCKWT5 (ORCPT ); Thu, 11 Mar 2021 17:19:57 -0500 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16638C061760 for ; Thu, 11 Mar 2021 14:19:57 -0800 (PST) Received: by mail-ej1-x629.google.com with SMTP id lr13so49516589ejb.8 for ; Thu, 11 Mar 2021 14:19:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9MAhQGcdWHGej8nvNouxnVkw1hFpTssfKidukRMSibE=; b=oda80GXNQDxBorQrdX7puxCFtDzT+2HbYVzvq/Rln5noc56PiiN85bZ2vdOBp2rVOu KnkV4ii0dS5kMzUSzgAv0albtlu7MC2EwwI5n8shkCumQy2WQlFbaprRzosNr+XFeP66 PD1nDdsONibLTXEN9VXlCs+D33BYF4rM9O1lE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9MAhQGcdWHGej8nvNouxnVkw1hFpTssfKidukRMSibE=; b=lXK0gRo1C1JrotfzlhvBezm9wZK17r3lWHESq/j0wn6L0e2IkWGDTsArAcj0QfAX59 3AXcUyJLy0ccWXuEZkE1GUNCwsetOv8NjyH/AuOjQ5CoW56cdxA1oCUoEI5lI48s7d/K kf/D5+/AB4paQ1yoYwWt0JL9VaT63DjnJUUXNjVySRyvICBIyZOT2XTS3foimBlwU5Je oCXKrzUi0TEszMR0zpDtLtqFbD7tEo6m/fAWyZjPqpV/XUjbF7PCiWXuyVrKJVph9AzO aT/9KVdOLJ/Ms2qTux/6djrZpvY/NNkuan4vJ0ay23MuIqckwGu1JXH/E6YWjbAa7Erg UZqw== X-Gm-Message-State: AOAM530Qyb6YJFgcKMfGL82G9a/w+ZwFWer4LpWnPkcbhj82T+BN/snp SHbduEz+VJ6wDxQCz42s4+gaLw== X-Google-Smtp-Source: ABdhPJzAg/r21Oua221yFsmPRiRa9eRsaUiCuQRlIHfqjZQkF2fHas4zcRZjM7Q0skFvgZe3WuuF1A== X-Received: by 2002:a17:906:c1ca:: with SMTP id bw10mr5324161ejb.510.1615501195833; Thu, 11 Mar 2021 14:19:55 -0800 (PST) Received: from alco.lan ([80.71.134.83]) by smtp.gmail.com with ESMTPSA id b18sm1942174ejb.77.2021.03.11.14.19.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 14:19:55 -0800 (PST) From: Ricardo Ribalda To: Laurent Pinchart , Mauro Carvalho Chehab , Tomasz Figa , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, senozhatsky@chromium.org, Hans Verkuil Cc: Ricardo Ribalda Subject: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors Date: Thu, 11 Mar 2021 23:19:43 +0100 Message-Id: <20210311221946.1319924-4-ribalda@chromium.org> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog In-Reply-To: <20210311221946.1319924-1-ribalda@chromium.org> References: <20210311221946.1319924-1-ribalda@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The device is doing something unspected with the control. Either because the protocol is not properly implemented or there has been a HW error. Fixes v4l2-compliance: Control ioctls (Input 0): fail: v4l2-test-controls.cpp(448): s_ctrl returned an error (22) test VIDIOC_G/S_CTRL: FAIL fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an error (22) test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL Signed-off-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Reviewed-by: Hans Verkuil --- drivers/media/usb/uvc/uvc_video.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index f2f565281e63..25fd8aa23529 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit, case 5: /* Invalid unit */ case 6: /* Invalid control */ case 7: /* Invalid Request */ + /* + * The firmware has not properly implemented + * the control or there has been a HW error. + */ + return -EIO; case 8: /* Invalid value within range */ return -EINVAL; default: /* reserved or unknown */