From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f174.google.com (mail-dy1-f174.google.com [74.125.82.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E163D3033C0 for ; Tue, 2 Jun 2026 23:32:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780443166; cv=none; b=e6aCIRyjUqY3zom15LlLc3tcb+RwMn6MpzfbG7ZslMdcYNmS8jRLY/xs0vKnv8nMsvP5L6dXlzxsByI2bRp9zO6jF68LDvuzvHGnA9EWWrEISE9DRc4f1KQLixJEma6kXsH2akhVfG2EJh6McdvnPv1VDtK509W9BIkxITbFpPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780443166; c=relaxed/simple; bh=S23384rCKT/Jgpy+Gaf4Uo6Ye3sIdEXrRPt9/DPwx3Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AzDDhc8ErhFkXKm6W3jUjtdJwqS/9/JuhZZKOj5lmAMgLjBpaoDtu0XbEZhYKamtCWaRACs/qbn6LlUuGvpfoedl9knIS4XIVrasGrKSMDvl+XMxkZxxrQYJy+ZP4qbFdUwS1WOA6cOShrV7L1racnOfCiGzmZblwyrMyW0inEY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Yu4JaTt+; arc=none smtp.client-ip=74.125.82.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Yu4JaTt+" Received: by mail-dy1-f174.google.com with SMTP id 5a478bee46e88-30749947917so1805425eec.1 for ; Tue, 02 Jun 2026 16:32:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780443164; x=1781047964; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=W0fkUuSK7eBrvX2jOiksSptpjklRegQ2WIUw4VVxCM8=; b=Yu4JaTt+SGTl6JUXco48ZRd7UHUG7ckIMoz6OYmSvbh7WzLZXfkCWv2PixM2XjiSus DyXXi6ZDYXPGSDK8I98fR/Y4pfYCIh5M/gLGZAhZ5pXoLjSZ1sB6Uvb67K0y4qhjyD2W r4CuxC1hQOsRG5RBpZI1hLW6TjtIErNqlUVWUt63EYfQBZ8CoFmlt42EUJQEBGFGxwzo 2Tu8fXS+mCtsGibN7FoKNqsRoRuaGRRYYugNWuEpvyvODsk70ezxewU7NArm6YUKNRxt 0DkTrg8vPLapLjn50A3nmTSTwB1HFM8mfKMqLFw428aa8GXJbbhl0ydtKHsCWG834XYO uNSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780443164; x=1781047964; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=W0fkUuSK7eBrvX2jOiksSptpjklRegQ2WIUw4VVxCM8=; b=RxTNbaRYwDBuqkogvhRVY35pDRLujrCEtUpZpbaTt3JxrN6SEF2mFXuFWN/u8eiVEs xZmhA26M7cPaT0ALspTQFA+M8BV9y4XZpTs1/AjGNRY39bstaafqH8XFi1Shs1ancb1W Pkqe/KtFoV4ym50Y7avRcH2XYNY0FHusprW88lqqhVijP6xc88yz+KNruRyr7AS0bTFk cnNBLWxKC4ftQ22sIyPnXAnFUoRE5Mo6kX3l8YPSqDNFuXpxqJhilHH4tufmsSCk7xMD i8nFnWWqYJsY2pddZ6JDfPOkkuFk8ofUYcZKv+18xWRBnD27ZXPS7vx+JhidnUzrQQrC s+kA== X-Gm-Message-State: AOJu0Yx+NCvz2CN1n8tWvjMQz8+rHQ65XNQNKKcjoHM34hQJlBt+KXS/ oAi+WRDQBCkzb125zsM4leTs269HI81rddGiCAKu5SVRPxjO8IUCtSJi X-Gm-Gg: Acq92OG5ydX90B4q3GATSrwFyIqCx5pv+H4x+midjIlC7GB3R4KAgduKzApIFvjmdVF /SqLts9TP6VmjsU44UVtLQ+eHeaPJCmvV2NwMtIEZqe4vQ9qM0PN+5nkhg/6CPFQ0BGsp8s55rU go5LS7iwzvpDt16g49QcUKICOXzYxkO4tEgQhipi8HmWWxIdiwOcf70ua+IpEWfyRxOe04ZwN7E DSCnayJsF5JKQgTiq54OO9jLk7WE4AS4pONvV7b1iJ1WAi0P/5rZ+i//+y7KIrukUCIPEKP+NNT f9auHjN4j81j/5B6DqG1W5m6ylevdtPoIxmdjkaqQ7BfnxGJwkLNo5F9jHu3xNpiH6mu1Fhe6Yw +Ff2Uy1louu/u4vgd2J2vK7M9ZEs/B/VEDzlRV6cV0Aa35cDq9Gul3XlNz/ELHVZzJ6+epKnKk9 FK4M2krXAjl5yNaPl0Khl2tr09erCClmclm4uNPn6ru6oxAa50NzQaE/8Jxv3ZE/rhZeW4Uow+p H0= X-Received: by 2002:a05:693c:3746:b0:307:140f:d511 with SMTP id 5a478bee46e88-3074fc930f8mr394349eec.33.1780443163891; Tue, 02 Jun 2026 16:32:43 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:c4f4:520b:1304:b259]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3074df64eb9sm666037eec.25.2026.06.02.16.32.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jun 2026 16:32:43 -0700 (PDT) Date: Tue, 2 Jun 2026 16:32:40 -0700 From: Dmitry Torokhov To: Zeyu WANG Cc: linux-input@vger.kernel.org Subject: Re: [PATCH] Input: atkbd - add DMI quirk for Lenovo Yoga Air 14 (83QK) Message-ID: References: <20260602170909.14725-1-zeyu.thomas.wang@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260602170909.14725-1-zeyu.thomas.wang@gmail.com> On Wed, Jun 03, 2026 at 01:09:09AM +0800, Zeyu WANG wrote: > The Lenovo Yoga Air 14 (83QK) laptop keyboard becomes unresponsive > after the standard atkbd init sequence. Controlled testing on the > actual hardware shows the F5 (ATKBD_CMD_RESET_DIS / deactivate) > command specifically corrupts the EC state, causing zero IRQ1 > interrupts after init. > > Skipping only the deactivate command (while keeping F4 ENABLE) > resolves the issue completely: both keystroke input and CapsLock > LED toggle work correctly. The reverse test - skipping only F4 > while keeping F5 - makes the problem worse (zero keystroke > interrupts), confirming F5 is the sole culprit. > > Add a DMI quirk entry for LENOVO/83QK using the existing > atkbd_deactivate_fixup callback, consistent with the existing > entries for LG Electronics and HONOR FMB-P that address the > same EC F5 deactivate issue. > > Signed-off-by: Zeyu WANG Applied, thank you. -- Dmitry