From patchwork Wed May 18 06:24:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunke Cao X-Patchwork-Id: 83366 X-Patchwork-Delegate: laurent.pinchart@ideasonboard.com Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nrD7L-00Gbf2-B9; Wed, 18 May 2022 06:25:07 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231280AbiERGZF (ORCPT + 1 other); Wed, 18 May 2022 02:25:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231278AbiERGZB (ORCPT ); Wed, 18 May 2022 02:25:01 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B61DBD411B for ; Tue, 17 May 2022 23:25:00 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-2fef1441caaso12236967b3.6 for ; Tue, 17 May 2022 23:25:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=XIMSQQojLkdvAm2rzbsF1owAymz5ZvXn1U0KlTv+Ci8=; b=HGf5o/ipNpDLUcmBii10EQjpjYAG1tUzrcxqkqoFBUrQIQOXfiAJJ1sPTRlSzRx0li sB7tyz3CaqOAk4qWlVVGYOE0LayfAKZBofnxvx6+1eDYV0V/9hQXOsf9R0S6LNgrrF/a RZ+648Ra+zd9rFcWOt2CMfJ9/A5OG5D3DCqW6xsgy0u7AtEVNGFmJXwLErchG+zg+K7k 1DYRQmMyABEHpJnQVFsXuC9VNj14RlsJhp4AiRmpY2o9MitPIbIS7LzcLRnk/HQbCI9/ /hw4a9JlDT3+SWuJIkMVV1suFzeZme95y952xh/0itFGBAlpQKil9ynkiuvbGHeDOpO5 0TGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=XIMSQQojLkdvAm2rzbsF1owAymz5ZvXn1U0KlTv+Ci8=; b=w5CmFICQMTiq21JY7avEqSGFHvW/101OxrKKnVnvMfOoVH3626syyUNcBPPgJ4uNck rv/985iKoegXC6T+XYWdWw2GNfsH745iuvnzbdv4mXylw/JxyI9MKdJ5GdPmy5TQnmtM rCAh9qIlD8CtE59QG9kxjTgkhjMorfiqRX+KwCk50+tp1AUgcuPb9woiVj8t25vOrhWp d0NatFJggxNt+j8qLZms/ch6Vx5VDNqjwo1hUhOqxfh4tLvUHSDK8ZhmQk8kO7iZ1kIw mX/r8eob3pR4yctM9SGr95Z4OergAi+pIrEPprvEnuo9HeyyVAdGHvzyq4BRKlLWdI7g 9AeQ== X-Gm-Message-State: AOAM5332fgz2RojB88/PQRU/7VAfgyDfrUiN4hNmSMa+5IRx/au9MaWn 1RmsP5+k7TGAsvYGWqo7DaC9Zqw0kw4= X-Google-Smtp-Source: ABdhPJz2qITwtSPHl/L83KwubWyAMXHiTmnBTJ+AVp0EqR+YWFgGWobQOzzkr9zyxxihO1NVYqOUCPVCxo0= X-Received: from yunkec1.tok.corp.google.com ([2401:fa00:8f:203:d4d4:2a73:fa69:7d32]) (user=yunkec job=sendgmr) by 2002:a25:df10:0:b0:64d:8400:3a0a with SMTP id w16-20020a25df10000000b0064d84003a0amr16386255ybg.324.1652855099968; Tue, 17 May 2022 23:24:59 -0700 (PDT) Date: Wed, 18 May 2022 15:24:11 +0900 In-Reply-To: <20220518062412.2375586-1-yunkec@google.com> Message-Id: <20220518062412.2375586-6-yunkec@google.com> Mime-Version: 1.0 References: <20220518062412.2375586-1-yunkec@google.com> X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [PATCH v3 5/6] media: uvcvideo: Initialize roi to default value From: Yunke Cao To: Hans Verkuil , Laurent Pinchart , Nicolas Dufresne Cc: Tomasz Figa , Sergey Senozhatsky , Ricardo Ribalda , linux-media@vger.kernel.org, Yunke Cao X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -10.0 (----------) X-LSpam-Report: No, score=-10.0 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_MED=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,USER_IN_DEF_DKIM_WL=-7.5 autolearn=ham autolearn_force=no For the devices we tested with, firmwares have wrong initial ROI configuration. Initialize roi by setting to default value. Signed-off-by: Yunke Cao --- drivers/media/usb/uvc/uvc_ctrl.c | 40 ++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 0abe174231ab..f7aa97aa3772 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -2506,6 +2506,40 @@ static void uvc_ctrl_prune_entity(struct uvc_device *dev, } } +static int uvc_ctrl_init_roi(struct uvc_device *dev, struct uvc_control *ctrl) +{ + int ret; + + ret = uvc_query_ctrl(dev, UVC_GET_DEF, ctrl->entity->id, dev->intfnum, + UVC_CT_REGION_OF_INTEREST_CONTROL, + uvc_ctrl_data(ctrl, UVC_CTRL_DATA_DEF), + ctrl->info.size); + if (ret) + goto out; + + /* + * Some firmwares have wrong GET_CURRENT configuration. E.g. it's + * below GET_MIN, or have rectangle coordinates mixed up. This + * causes problems sometimes, because we are unable to set + * auto-controls value without first setting ROI rectangle to + * valid configuration. + * + * We expect that default configuration is always correct and + * is within the GET_MIN / GET_MAX boundaries. + * + * Set current ROI configuration to GET_DEF, so that we will + * always have properly configured ROI. + */ + ret = uvc_query_ctrl(dev, UVC_SET_CUR, 1, dev->intfnum, + UVC_CT_REGION_OF_INTEREST_CONTROL, + uvc_ctrl_data(ctrl, UVC_CTRL_DATA_DEF), + ctrl->info.size); +out: + if (ret) + dev_err(&dev->udev->dev, "Failed to fixup ROI (%d).\n", ret); + return ret; +} + /* * Add control information and hardcoded stock control mappings to the given * device. @@ -2518,6 +2552,7 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain, const struct uvc_control_mapping *mapping = uvc_ctrl_mappings; const struct uvc_control_mapping *mend = mapping + ARRAY_SIZE(uvc_ctrl_mappings); + const u8 camera_entity[16] = UVC_GUID_UVC_CAMERA; /* XU controls initialization requires querying the device for control * information. As some buggy UVC devices will crash when queried @@ -2538,6 +2573,11 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain, * GET_INFO on standard controls. */ uvc_ctrl_get_flags(chain->dev, ctrl, &ctrl->info); + + if (ctrl->info.selector == + UVC_CT_REGION_OF_INTEREST_CONTROL && + uvc_entity_match_guid(ctrl->entity, camera_entity)) + uvc_ctrl_init_roi(chain->dev, ctrl); break; } }