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=-4.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 DB2AEC47098 for ; Mon, 31 May 2021 14:01:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B534161413 for ; Mon, 31 May 2021 14:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231918AbhEaODB (ORCPT ); Mon, 31 May 2021 10:03:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:36536 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231834AbhEaOA7 (ORCPT ); Mon, 31 May 2021 10:00:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 4565961413 for ; Mon, 31 May 2021 13:36:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622468199; bh=jixIZ0JgLI+KnQOZ/2eZdUB8fhT4CUvToNltZo3itzw=; h=From:To:Subject:Date:From; b=Yg4uheW+ozs/zP7mnabQDdX4XtdD7lg/pt211jlIzEBsUJm7LBZVAHPFY+aDvcfn4 7HzQq7eHNATxaaVtQWZlPHkxIQ5P7IGKXftagGoegNgji+NGc7XENQZglHqOJxlsco ZL4A88pQm/LfbMz9MMde2kKuiolayB8HlDhip2PiP+apNFgwZjcOk+XkGsqyw+Wj8c cYW9+ZgdAgVz445dZ2JWBWHJxz/Rm92+VvULL2AUwY15Cnil+lS/dCSwIEd/y7FGhP kBZXyQd3Mjiv2nTJmnbOXkL54ecKETotiVAQ3hewG0GB1iQ3WE7tDUrlrdjEUoj8sD KUMYj9QRyk1rg== From: bugzilla-daemon@bugzilla.kernel.org To: platform-driver-x86@vger.kernel.org Subject: [Bug 213297] New: ideapad-laptop: DYTC interface not found, several functionalities missing Date: Mon, 31 May 2021 13:36:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Platform_x86 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: johannes.penssel@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_platform_x86@kernel-bugs.osdl.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 attachments.created 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: platform-driver-x86@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D213297 Bug ID: 213297 Summary: ideapad-laptop: DYTC interface not found, several functionalities missing Product: Drivers Version: 2.5 Kernel Version: 5.12.8 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Platform_x86 Assignee: drivers_platform_x86@kernel-bugs.osdl.org Reporter: johannes.penssel@gmail.com Regression: No Created attachment 297073 --> https://bugzilla.kernel.org/attachment.cgi?id=3D297073&action=3Dedit hwinfo | grep -i driver output Device: Lenovo 5 15ITL05(i5-1135G7/GeForceMX450) Latest UEFI/ME firmware (FHCN41WW/FHME26WW) Distro: Gentoo (5.10.27 stable and 5.12.8 testing), Arch Linux (5.12.8) When inserting the ideapad-laptop module: these dmesg log messages occur: [ 2.583728] input: Ideapad extra buttons as /devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input3 [ 2.583756] ideapad_acpi VPC2004:00: Keyboard backlight control not available [ 2.590680] ideapad_acpi VPC2004:00: DYTC interface is not available Result: -despite the appropriate module being loaded, /sys/firmware/acpi/platform_profile is missing completely -backlight brightness control via fn function keys doesn't work -missing drivers for LUK2019 and IDEA2004 (hwinfo | grep -i driver output is attached) -neither xev nor acpid register any inputs from the brightness keys None of the problems described above occur under Windows 10. So far, I've tried updating the UEFI/ME FW, switching to LTS kernels and different distros, as well as the standard workarounds for non-functional fn keys. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=