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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0376C433FE for ; Fri, 3 Dec 2021 10:58:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380246AbhLCLB0 (ORCPT ); Fri, 3 Dec 2021 06:01:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237898AbhLCLBY (ORCPT ); Fri, 3 Dec 2021 06:01:24 -0500 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9501C06173E for ; Fri, 3 Dec 2021 02:58:00 -0800 (PST) Received: by mail-ed1-x52d.google.com with SMTP id l25so9721718eda.11 for ; Fri, 03 Dec 2021 02:58:00 -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:mime-version :content-transfer-encoding; bh=dL9Doftx7SsrphxuZsOqQd7wOm1YbbJk8+5XQsZLlm0=; b=eN8F4WnbbKtSgAFI7LGmb78vOkq7F4X85cb6co9pialUAR0d6/bogCs6k9V1C00cCb VcjZ+BMUBwZuy8ga0DF0XShJKY60R6h5kMhE/yokynDDT2vYa+xs1DjOit10zciPrGsB ZslnfT/WjLXG04OJ4jdMbSS3l6OyhXLIhaGDg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=dL9Doftx7SsrphxuZsOqQd7wOm1YbbJk8+5XQsZLlm0=; b=OQa0PxCw6LBM6Ov2ghfQ0F4F9HfKQq2M/r0PABgouj9RVWiiNg4rVikmcKBUgLKSXQ tt3QEzsvy3I/+BHLiknycc+9TVro6875l3mExOZ3G/v24pEZrVECTeK15z65aLV2QZys n4kQW7N+RDtX11WdXod6NIRcaScZT1m+X5Nwb0RKTa5ooAp4PIeL1xZSpk7n+wE5LYtK KzopaJ/FFAUiLNrj47uKMfEDUq58aUsoWDLhI5I60jeVzbVHQDXn8ZdNmRDkmWVZ0Ar8 XMQCtN6iGyB7uIGwcLYKykWhsyFaO33qHZcLRbPfUsXr8nyK5Ireq0tQp49nGYaGrwH6 vwjg== X-Gm-Message-State: AOAM533hCPNKIiBSGb2PHVYBNS0k+O8BagjdhaQoNc72gdw5Iz5Y25uf 2yXDr2MAN7Y23vekeunP1j9Z7g== X-Google-Smtp-Source: ABdhPJyqC23S2y/KFhAVAGoa8zFNPaGUHEiQ0LFXx450o6VcXoNIld07YR+hpDXDIig7z/GjDAcg2Q== X-Received: by 2002:a17:907:86a6:: with SMTP id qa38mr21673773ejc.286.1638529079375; Fri, 03 Dec 2021 02:57:59 -0800 (PST) Received: from alco.corp.google.com ([100.104.168.197]) by smtp.gmail.com with ESMTPSA id ar2sm1699775ejc.20.2021.12.03.02.57.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Dec 2021 02:57:59 -0800 (PST) From: Ricardo Ribalda To: Laurent Pinchart , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Verkuil Cc: Ricardo Ribalda Subject: [PATCH] media: uvcvideo: Fix handling on Bitmask controls Date: Fri, 3 Dec 2021 11:57:40 +0100 Message-Id: <20211203105740.1084689-1-ribalda@chromium.org> X-Mailer: git-send-email 2.34.1.400.ga245620fadb-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Minimum and step values for V4L2_CTRL_TYPE_BITMASK controls should be 0. There is no need to query the camera firmware about this and maybe get invalid results. Fixes v4l2-compliane: Control ioctls (Input 0): fail: v4l2-test-controls.cpp(97): minimum must be 0 for a bitmask control test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: FAIL Signed-off-by: Ricardo Ribalda --- drivers/media/usb/uvc/uvc_ctrl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index b4f6edf968bc..d478cfbad5bb 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1156,7 +1156,8 @@ static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, break; } - if (ctrl->info.flags & UVC_CTRL_FLAG_GET_MIN) + if (ctrl->info.flags & UVC_CTRL_FLAG_GET_MIN && + mapping->v4l2_type != V4L2_CTRL_TYPE_BITMASK) v4l2_ctrl->minimum = mapping->get(mapping, UVC_GET_MIN, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MIN)); @@ -1164,7 +1165,8 @@ static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, v4l2_ctrl->maximum = mapping->get(mapping, UVC_GET_MAX, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MAX)); - if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) + if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES && + mapping->v4l2_type != V4L2_CTRL_TYPE_BITMASK) v4l2_ctrl->step = mapping->get(mapping, UVC_GET_RES, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_RES)); -- 2.34.1.400.ga245620fadb-goog