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Mon, 8 Mar 2021 11:28:04 +0100 Received: from gli-login.cadence.com (10.187.128.100) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Mon, 8 Mar 2021 11:28:04 +0100 Received: from gli-login.cadence.com (localhost [127.0.0.1]) by gli-login.cadence.com (8.14.4/8.14.4) with ESMTP id 128AS4ZG010553; Mon, 8 Mar 2021 11:28:04 +0100 Received: (from pawell@localhost) by gli-login.cadence.com (8.14.4/8.14.4/Submit) id 128AS3qo010552; Mon, 8 Mar 2021 11:28:03 +0100 From: Pawel Laszczak To: , CC: , , , , , , Pawel Laszczak Subject: [PATCH 1/2] usb: gadget: uvc: Updating bcdUVC field to 0x0110 Date: Mon, 8 Mar 2021 11:27:34 +0100 Message-ID: <20210308102735.9251-1-pawell@gli-login.cadence.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 06c91725-f93a-4cf8-1a74-08d8e21ce52c X-MS-TrafficTypeDiagnostic: BN8PR07MB6210: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1107; 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DIR:OUT; SFP:1101; X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2021 10:28:20.3740 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 06c91725-f93a-4cf8-1a74-08d8e21ce52c X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[158.140.1.148]; Helo=[sjmaillnx2.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM12FT061.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR07MB6210 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-08_04:2021-03-08,2021-03-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=654 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103080054 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Pawel Laszczak Command Verifier during UVC Descriptor Tests (Class Video Control Interface Descriptor Test Video) compleins about: Video Control Interface Header bcdUVC is 0x0100. USB Video Class specification 1.0 has been replaced by 1.1 specification (UVC: 6.2.26) Class Video Control Interface Descriptor bcdUVC is not 1.1 Signed-off-by: Pawel Laszczak Reviewed-by: Laurent Pinchart --- drivers/usb/gadget/function/uvc_configfs.c | 2 +- drivers/usb/gadget/legacy/webcam.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 00fb58e50a15..cd28dec837dd 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -231,7 +231,7 @@ static struct config_item *uvcg_control_header_make(struct config_group *group, h->desc.bLength = UVC_DT_HEADER_SIZE(1); h->desc.bDescriptorType = USB_DT_CS_INTERFACE; h->desc.bDescriptorSubType = UVC_VC_HEADER; - h->desc.bcdUVC = cpu_to_le16(0x0100); + h->desc.bcdUVC = cpu_to_le16(0x0110); h->desc.dwClockFrequency = cpu_to_le32(48000000); config_item_init_type_name(&h->item, name, &uvcg_control_header_type); diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c index a9f8eb8e1c76..3a61de4bb2b1 100644 --- a/drivers/usb/gadget/legacy/webcam.c +++ b/drivers/usb/gadget/legacy/webcam.c @@ -90,7 +90,7 @@ static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = { .bLength = UVC_DT_HEADER_SIZE(1), .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = UVC_VC_HEADER, - .bcdUVC = cpu_to_le16(0x0100), + .bcdUVC = cpu_to_le16(0x0110), .wTotalLength = 0, /* dynamic */ .dwClockFrequency = cpu_to_le32(48000000), .bInCollection = 0, /* dynamic */ From patchwork Mon Mar 8 10:27:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pawel Laszczak X-Patchwork-Id: 396473 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=-18.8 required=3.0 tests=BAYES_00,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 9E1EAC433E0 for ; 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Mon, 8 Mar 2021 11:28:05 +0100 Received: from gli-login.cadence.com (10.187.128.100) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Mon, 8 Mar 2021 11:28:05 +0100 Received: from gli-login.cadence.com (localhost [127.0.0.1]) by gli-login.cadence.com (8.14.4/8.14.4) with ESMTP id 128AS42d010561; Mon, 8 Mar 2021 11:28:04 +0100 Received: (from pawell@localhost) by gli-login.cadence.com (8.14.4/8.14.4/Submit) id 128AS4sx010560; Mon, 8 Mar 2021 11:28:04 +0100 From: Pawel Laszczak To: , CC: , , , , , , Pawel Laszczak Subject: [PATCH 2/2] usb: webcam: Invalid size of Processing Unit Descriptor Date: Mon, 8 Mar 2021 11:27:35 +0100 Message-ID: <20210308102735.9251-2-pawell@gli-login.cadence.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210308102735.9251-1-pawell@gli-login.cadence.com> References: <20210308102735.9251-1-pawell@gli-login.cadence.com> MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0974b368-4b14-4089-7f15-08d8e21cddf5 X-MS-TrafficTypeDiagnostic: MWHPR07MB3535: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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DIR:OUT; SFP:1101; X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2021 10:28:08.3200 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0974b368-4b14-4089-7f15-08d8e21cddf5 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[158.140.1.147]; Helo=[sjmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: MW2NAM12FT005.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR07MB3535 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-08_04:2021-03-08,2021-03-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 phishscore=0 clxscore=1011 bulkscore=0 impostorscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=748 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103080054 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Pawel Laszczak According with USB Device Class Definition for Video Device the Processing Unit Descriptor bLength should be 12 (10 + bmControlSize), but it has 11. Invalid length caused that Processing Unit Descriptor Test Video form CV tool failed. To fix this issue patch adds bmVideoStandards into uvc_processing_unit_descriptor structure. Signed-off-by: Pawel Laszczak Reviewed-by: Laurent Pinchart --- include/uapi/linux/usb/video.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h index d854cb19c42c..2a54e8fdd341 100644 --- a/include/uapi/linux/usb/video.h +++ b/include/uapi/linux/usb/video.h @@ -302,6 +302,7 @@ struct uvc_processing_unit_descriptor { __u8 bControlSize; __u8 bmControls[2]; __u8 iProcessing; + __u8 bmVideoStandards; } __attribute__((__packed__)); #define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))