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=-9.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 4FFAFC4320A for ; Wed, 4 Aug 2021 09:23:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 378DE60F38 for ; Wed, 4 Aug 2021 09:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237004AbhHDJXU (ORCPT ); Wed, 4 Aug 2021 05:23:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:59990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236381AbhHDJXT (ORCPT ); Wed, 4 Aug 2021 05:23:19 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 5B6F660F10 for ; Wed, 4 Aug 2021 09:23:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628068986; bh=gUUKZmyGEaAXQb/bC+AsrjcwDJ3tCf/XxyuhDAPOwI4=; h=From:To:Subject:Date:From; b=fk/a+P3w8cqvSvGdAbbpsPpQeT1uFwCcUCQspYl0VHBd5NzOwHhBErxxrWNMXm2Hr eNB7gXYx+vO+WnsJO0a6pHjWkM7ZKosfrS3yfjtCa8sUtOfOuqBwSvJSWB+ku5O/3v SP1IP658uCzl360NeZCJPi91/h6b40MFjaieLk3NqFusV0agypsmLHrZZpVse3gS6s YsHtp2Ok1o3XTlSKi8I7F2F5gJs0Rls9p6DCFm8G3QB0n4RuiRgBOwRyN2uIXYCII0 SEmFJMGDR2tGpTVP/BNgzcpOSf6U8U0+r6GePSVfqvdvHzfzCGBM7qfabI3eooNPKa In3a56c0EVFGg== From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 213967] New: Thinkpad T14 Chicony Webcam not recognized by kernel Date: Wed, 04 Aug 2021 09:23:06 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dev@horatiuion.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D213967 Bug ID: 213967 Summary: Thinkpad T14 Chicony Webcam not recognized by kernel Product: Drivers Version: 2.5 Kernel Version: 5.13.6 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: dev@horatiuion.com Regression: No Distro: Arch Linux Timeline: - after upgrading from 5.12.15 to 5.13.4, my webcam wasn't being recognized= by the kernel (nothing showing up in the kernel logs regarding uvcvideo and nothing showing up in lsusb) - a temporary fix (as determined by the distro community) was to install the firmware from this repository (https://github.com/denisandroid/uPD72020x-Firmware) while waiting for the official fix - the potential fix was issued (commit 44cf53602f5a0db80d53c8fff6cdbcae59650a42) and merged in 5.13.6 - after upgrading to 5.13.6 my webcam stopped working yet again. Suspecting that I no longer needed the uPD72020x-Firmware, I uninstalled it, with no success. My webcam is still not being recognized Right now I'm running 5.13.5 with uPD72020x-Firmware installed, which is the only working solution for now. Kernel logs: ``` kernel: usb 2-2: new high-speed USB device number 2 using xhci_hcd kernel: usb 2-2: New USB device found, idVendor=3D04f2, idProduct=3Db6d0, bcdDevice=3D58.18 kernel: usb 2-2: New USB device strings: Mfr=3D3, Product=3D1, SerialNumber= =3D2 kernel: usb 2-2: Product: Integrated Camera kernel: usb 2-2: Manufacturer: Chicony Electronics Co.,Ltd. kernel: usb 2-2: SerialNumber: 0001 kernel: usb 2-2: Found UVC 1.10 device Integrated Camera (04f2:b6d0) kernel: input: Integrated Camera: Integrated C as /devices/pci0000:00/0000:00:02.7/0000:06:00.0/usb2/2-2/2-2:1.0/input/input30 kernel: usbcore: registered new interface driver btusb kernel: usb 2-2: Found UVC 1.50 device Integrated Camera (04f2:b6d0) kernel: input: Integrated Camera: Integrated I as /devices/pci0000:00/0000:00:02.7/0000:06:00.0/usb2/2-2/2-2:1.2/input/input31 kernel: usbcore: registered new interface driver uvcvideo ``` lsusb: ``` Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 006 Device 003: ID 8087:0029 Intel Corp. AX200 Bluetooth Bus 006 Device 002: ID 06cb:00bd Synaptics, Inc. Prometheus MIS Touch Fingerprint Reader Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 004: ID 05e3:0749 Genesys Logic, Inc. SD Card Reader and Wri= ter Bus 005 Device 005: ID 2109:0812 VIA Labs, Inc. VL812 Hub Bus 005 Device 006: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter Bus 005 Device 003: ID 0bda:0411 Realtek Semiconductor Corp. Hub Bus 005 Device 002: ID 2109:0817 VIA Labs, Inc. USB3.0 Hub=20=20=20=20=20= =20=20=20=20=20=20=20=20 Bus 005 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 004 Device 003: ID 058f:9540 Alcor Micro Corp. AU9540 Smartcard Reader Bus 004 Device 007: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 004 Device 008: ID 24f0:0140 Metadot Das Keyboard 4 Bus 004 Device 006: ID 2109:2812 VIA Labs, Inc. VL812 Hub Bus 004 Device 005: ID 0bda:5411 Realtek Semiconductor Corp. RTS5411 Hub Bus 004 Device 004: ID 2109:0102 VIA Labs, Inc. USB 2.0 BILLBOARD=20=20=20= =20=20=20=20=20=20=20=20=20=20 Bus 004 Device 002: ID 2109:2817 VIA Labs, Inc. USB2.0 Hub=20=20=20=20=20= =20=20=20=20=20=20=20=20 Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 002: ID 04f2:b6d0 Chicony Electronics Co., Ltd Integrated Ca= mera Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ``` I have tried grepping the kernel logs for the pci bridge in the working and non-working versions Working: ``` kernel: pci 0000:00:02.7: [1022:1634] type 01 class 0x060400 kernel: pci 0000:00:02.7: PME# supported from D0 D3hot D3cold kernel: pci 0000:00:02.7: PCI bridge to [bus 06] kernel: pci 0000:00:02.7: bridge window [mem 0xfd400000-0xfd4fffff] kernel: pci 0000:00:02.7: PCI bridge to [bus 06] kernel: pci 0000:00:02.7: bridge window [mem 0xfd400000-0xfd4fffff] kernel: pci 0000:00:02.7: Adding to iommu group 7 kernel: pcieport 0000:00:02.7: PME: Signaling with IRQ 31 kernel: input: Integrated Camera: Integrated C as /devices/pci0000:00/0000:00:02.7/0000:06:00.0/usb2/2-2/2-2:1.0/input/input30 kernel: input: Integrated Camera: Integrated I as /devices/pci0000:00/0000:00:02.7/0000:06:00.0/usb2/2-2/2-2:1.2/input/input31 ``` Not working: ``` kernel: pci 0000:00:02.7: [1022:1634] type 01 class 0x060400 kernel: pci 0000:00:02.7: PME# supported from D0 D3hot D3cold kernel: pci 0000:00:02.7: PCI bridge to [bus 06] kernel: pci 0000:00:02.7: bridge window [mem 0xfd400000-0xfd4fffff] kernel: pci 0000:00:02.7: PCI bridge to [bus 06] kernel: pci 0000:00:02.7: bridge window [mem 0xfd400000-0xfd4fffff] kernel: pci 0000:00:02.7: Adding to iommu group 7 kernel: pcieport 0000:00:02.7: PME: Signaling with IRQ 31 ``` --=20 You may reply to this email to add a comment. 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