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[209.132.180.67]) by mx.google.com with ESMTP id gz9si7753108ejb.238.2019.11.16.07.05.30; Sat, 16 Nov 2019 07:05:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=vY1igBXZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727732AbfKPPDP (ORCPT + 99 others); Sat, 16 Nov 2019 10:03:15 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:44087 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727691AbfKPPDP (ORCPT ); Sat, 16 Nov 2019 10:03:15 -0500 Received: by mail-wr1-f68.google.com with SMTP id f2so14112553wrs.11; Sat, 16 Nov 2019 07:03:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ts/Cau9oznV84QKj9dFCVAYvzPmUjunHN+Y97FI+mBs=; b=vY1igBXZRByDldpJLifqIVJ9g1gaOPLjqrsOdaOwznC8QWDmvF88gQgWaUJElqppxv vxLG9W3LCH1VdZsjaW5cfTjKC1FIHFIovqLeV0JBK9jMlTu70auTpdczF88JGNLHiBA7 5g8sROuwUoj/tyyqjTgZCchq11oW7RqjDWkDGqlq4FVHCq1IIoF3ZMpC03Dt046V/IWG 2FlR9DdnRr+7zhkRpwd8cuCJH2czgUdoBkHNvyWqUvfUnf6pGzs6J1F531YXjbQo/CaZ GfN0nIlpTcbXrmeLB6OW4SanlJyyKqzg9uWZ0CtgA2GpMUJZEvM67d+aarvhq0qlWePu sgjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=ts/Cau9oznV84QKj9dFCVAYvzPmUjunHN+Y97FI+mBs=; b=T6ehTn+KdpNZ6/w5A+H5dyD6C/jsauK7Tce/of6+0RmyD4Po2bME0/wOu6h1Ad+Cwy Nz+ySMK8ypg8ZpyiENqnyGcZiUjxGKBtEzyfp1UvZYdb28/BTAJzEMb4OafmfQsQP05N CCqOm3lyhFQoCQdjFvOnDcpTjiOnTHINq/AcsgHUqgTILohKJ0OpVClpuYsb6ZpyZ5zr OF5n6oXdCXxtF450p1oeiF4FnUxvgT5ZShPe0b2Z7SifX0z6ZEcPUuEcvc2rUT0WRDJJ SG1tVBM0dNAR2WOU0HbrQ65RscQ12IU+iJnebiRde1gKYm7fZZv9gCzhNUw2MiWjA/cm 3fmA== X-Gm-Message-State: APjAAAWty9fP3oJ70TlLE0J3mc4oHmmiuwvvUx9KSN+o2YY/x+BfGsyi EKzXKsECGbZuG4znQfQBLMA= X-Received: by 2002:a5d:660b:: with SMTP id n11mr22071427wru.146.1573916592737; Sat, 16 Nov 2019 07:03:12 -0800 (PST) Received: from pali ([2a02:2b88:2:1::5cc6:2f]) by smtp.gmail.com with ESMTPSA id x205sm15663732wmb.5.2019.11.16.07.03.11 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 16 Nov 2019 07:03:11 -0800 (PST) Date: Sat, 16 Nov 2019 16:03:10 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: Giovanni Mascellani Cc: Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] hwmon: (dell-smm-hwmon) Disable BIOS fan control on SET_FAN Message-ID: <20191116150310.dlhjrr3kyh7fsykf@pali> References: <20191114211408.22123-1-gio@debian.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="7tkusd6mbxqavr5z" Content-Disposition: inline In-Reply-To: <20191114211408.22123-1-gio@debian.org> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --7tkusd6mbxqavr5z Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thursday 14 November 2019 22:14:08 Giovanni Mascellani wrote: > +#define I8K_SMM_DISABLE_BIOS 0x30a3 > +#define I8K_SMM_ENABLE_BIOS 0x31a3 In my old notes I have written these two comments: 0x30a3 disable the Fn- key combinations (except the volume functions) key = and disable BIOS auto fan control (no args) 0x31a3 enable the Fn- key combinations (except the volume functions) key a= nd enable BIOS auto fan control (no args) So seems that these two commands have some side effect on some machines. For 0x34a3/0x35a3 I have only these comments: 0x34a3 disable BIOS auto fan control (no args) 0x35a3 enable BIOS auto fan control (no args) --=20 Pali Roh=C3=A1r pali.rohar@gmail.com --7tkusd6mbxqavr5z Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQS4VrIQdKium2krgIWL8Mk9A+RDUgUCXdAPrAAKCRCL8Mk9A+RD UjJRAJ95ij/W/aSdbiOocV6rkc/yhSY40gCbBACMEV+fSdVywC+gLlNb25KF7nQ= =MQjG -----END PGP SIGNATURE----- --7tkusd6mbxqavr5z--