From patchwork Wed Mar 17 16:45:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda X-Patchwork-Id: 403552 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, 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 2A271C4360C for ; Wed, 17 Mar 2021 16:46:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 051E864F7B for ; Wed, 17 Mar 2021 16:46:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232721AbhCQQpg (ORCPT ); Wed, 17 Mar 2021 12:45:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232651AbhCQQpU (ORCPT ); Wed, 17 Mar 2021 12:45:20 -0400 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C6F8C061760 for ; Wed, 17 Mar 2021 09:45:20 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id bm21so3700157ejb.4 for ; Wed, 17 Mar 2021 09:45:20 -0700 (PDT) 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=x7BfbRkZgKvyDVm8Db9Jrgj8gcrrUGA9hBYKQf9MVsw=; b=AX65wNOoec086wfSe4poCGNVBOMmtrxUvp4lnsBJtWvPfIBdxMs8nmdWM8TZFMTJ+Y xEFco9JGe4jam6eQIdqCKyorT/8kOjyjvD0lyes7Jo23y10W6jF4N70bxCKNLY1WE0Mr j7taWweCbRqpmBUzjY7kIa8kMLZL90d8APBCc= 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=x7BfbRkZgKvyDVm8Db9Jrgj8gcrrUGA9hBYKQf9MVsw=; b=RsHaZKpFk3mgIYJkGIldO9fNGRQ8EX3nCoUSDEzQr4uf9bbeYU7Ug5Bkb1Wd3+9p8M j/nHeAvNr6v+IxDoMtrPNQGVIwlGBK3As1XsqzBcv1x2RojjRbvTX9CCLsifQ4OP/Ll0 sOJII3++SAZLVoltHkrfLndhPkhEdIyMUM0LJirRcUS78fBs09ZcPjlEixnO7oBFVcmd /+aO6tN6ahbTNz3aLBwoJhkzkBtyHDGiaCTyMR85fjI7XN9jNVV40itNh4MVBfiGx+UT 0T8mQFXgLIPIBi7gEnfq9KQOssj/exqv6UBOXKAL+edIXCCGx1bAFpfaD4pfGR+gkkjk FL7w== X-Gm-Message-State: AOAM531S9IgzS4IMuCc8sptmFea4ZSWXF93DDdYd2N3tpFA6usaM4jVX Fo9+gIw6gQ9CY+2Gfg9MVAq5yg== X-Google-Smtp-Source: ABdhPJxesE2LHKVrupx9CIvpViyNOdb0zgvX8mHwILjtMovcaKqgx3KxlomYYP4sLsLddb/F1CFe9Q== X-Received: by 2002:a17:906:75a:: with SMTP id z26mr36257622ejb.22.1615999518922; Wed, 17 Mar 2021 09:45:18 -0700 (PDT) Received: from alco.lan ([80.71.134.83]) by smtp.gmail.com with ESMTPSA id hy25sm12088128ejc.119.2021.03.17.09.45.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Mar 2021 09:45:18 -0700 (PDT) From: Ricardo Ribalda To: Laurent Pinchart , Mauro Carvalho Chehab , Hans Verkuil , Sergey Senozhatsky , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, tfiga@chromium.org Cc: Ricardo Ribalda Subject: [PATCH v6 08/17] media: uvcvideo: Return -EIO for control errors Date: Wed, 17 Mar 2021 17:45:02 +0100 Message-Id: <20210317164511.39967-9-ribalda@chromium.org> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog In-Reply-To: <20210317164511.39967-1-ribalda@chromium.org> References: <20210317164511.39967-1-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 Reviewed-by: Laurent Pinchart Reviewed-by: Hans Verkuil Signed-off-by: Ricardo Ribalda --- 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 */