From mboxrd@z Thu Jan 1 00:00:00 1970 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=unavailable 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 7EFD6C433F7 for ; Fri, 26 Mar 2021 09:59:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C0DD61A42 for ; Fri, 26 Mar 2021 09:59:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230213AbhCZJ7D (ORCPT ); Fri, 26 Mar 2021 05:59:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229753AbhCZJ6t (ORCPT ); Fri, 26 Mar 2021 05:58:49 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD3D8C0613AA for ; Fri, 26 Mar 2021 02:58:48 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id l4so7466048ejc.10 for ; Fri, 26 Mar 2021 02:58:48 -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=kC71O7mgFntuzJoDSI8vq4wass7q97TNbxvCpydYjHA=; b=lnIbbFaFA1NeWxJwk96P8UeCjY14eS1euXdCbkNiVhfhjgQcwfWujSlmA4xPfft9YZ Gl0eOxR+d0lRqngQMghci8XytRROb3DZ9NU5AUzdMq7c15xefM502DxPuJ6fqrYkTD0Z 11TCLaFxNFjxWwysuGOQ2+EPgMPAK5iryvXGA= 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=kC71O7mgFntuzJoDSI8vq4wass7q97TNbxvCpydYjHA=; b=qE8OFEyiwecA8cYFen7/vetzrORXIPGnmMFSoQcQQXftO54CXgHpL35AxZVAFQb580 iGlqkasaXhV2t+TTacy62nMfThDZgYr0LLSfUcgUV8dRSiaP5kiVY5N5Ni+HZsQNykdD H8ckxfXtfyQRHmWLDwgCfIRMMEaYCM2u42FxzPHJErGq2rBZ512ymS8KXfvjDtGNUnQH f9XPX4/N37zEZsTbdmi/qfyrU35378pMFuQ9bTMooFjl3vG2QniA/KFlAx1MWm4LOaNw v0dTgFCWoZP0OlTGnHZcHfqVhk30/wOVTg79lvImRLNSVsA5Tki0NIGvQ6cskKJ4fJTO gu+Q== X-Gm-Message-State: AOAM533e1rkZTa0E8kU5ZII3GDfnasUqQOB7e74wHPCdL3eZKwa+BZCj TyNSX9ZjgDy5UFoDFYVxiuNq5w== X-Google-Smtp-Source: ABdhPJycuvhnOM0hm++0vYD9gRyRidcx/FE2H1tfgUcXuuaXDHrFSGrOfpQegT1wmxAFxSZoau98Mg== X-Received: by 2002:a17:907:1614:: with SMTP id hb20mr14324510ejc.77.1616752727627; Fri, 26 Mar 2021 02:58:47 -0700 (PDT) Received: from alco.lan ([80.71.134.83]) by smtp.gmail.com with ESMTPSA id h13sm4036658edz.71.2021.03.26.02.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 02:58:47 -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 v9 04/22] media: v4l2-ioctl: S_CTRL output the right value Date: Fri, 26 Mar 2021 10:58:22 +0100 Message-Id: <20210326095840.364424-5-ribalda@chromium.org> X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog In-Reply-To: <20210326095840.364424-1-ribalda@chromium.org> References: <20210326095840.364424-1-ribalda@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the driver does not implement s_ctrl, but it does implement s_ext_ctrls, we convert the call. When that happens we have also to convert back the response from s_ext_ctrls. Fixes v4l2_compliance: Control ioctls (Input 0): fail: v4l2-test-controls.cpp(411): returned control value out of range fail: v4l2-test-controls.cpp(507): invalid control 00980900 test VIDIOC_G/S_CTRL: FAIL Fixes: 35ea11ff8471 ("V4L/DVB (8430): videodev: move some functions from v4l2-dev.h to v4l2-common.h or v4l2-ioctl.h") Reviewed-by: Hans Verkuil Signed-off-by: Ricardo Ribalda --- drivers/media/v4l2-core/v4l2-ioctl.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 7b5ebdd329e8..b8f73a48872b 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2266,6 +2266,7 @@ static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; struct v4l2_ext_controls ctrls; struct v4l2_ext_control ctrl; + int ret; if (vfh && vfh->ctrl_handler) return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); @@ -2281,9 +2282,11 @@ static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, ctrls.controls = &ctrl; ctrl.id = p->id; ctrl.value = p->value; - if (check_ext_ctrls(&ctrls, VIDIOC_S_CTRL)) - return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); - return -EINVAL; + if (!check_ext_ctrls(&ctrls, VIDIOC_S_CTRL)) + return -EINVAL; + ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls); + p->value = ctrl.value; + return ret; } static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, -- 2.31.0.291.g576ba9dcdaf-goog