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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 06A40C43141 for ; Sat, 16 Nov 2019 17:14:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CCA222168B for ; Sat, 16 Nov 2019 17:14:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728031AbfKPRO5 (ORCPT ); Sat, 16 Nov 2019 12:14:57 -0500 Received: from pietrobattiston.it ([92.243.7.39]:54894 "EHLO jauntuale.pietrobattiston.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727532AbfKPRO5 (ORCPT ); Sat, 16 Nov 2019 12:14:57 -0500 Received: from amalgama (unknown [IPv6:2a02:578:85b0:500:2a18:9d59:67ec:cc90]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) (Authenticated sender: giovanni) by jauntuale.pietrobattiston.it (Postfix) with ESMTPSA id 2718EE1E98; Sat, 16 Nov 2019 18:14:54 +0100 (CET) Received: from [127.0.0.1] (localhost [127.0.0.1]) by amalgama (Postfix) with ESMTP id 697393C0340; Sat, 16 Nov 2019 18:14:53 +0100 (CET) Subject: Re: [PATCH] hwmon: (dell-smm-hwmon) Disable BIOS fan control on SET_FAN To: =?UTF-8?Q?Pali_Roh=c3=a1r?= Cc: Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org References: <20191114211408.22123-1-gio@debian.org> <20191116150310.dlhjrr3kyh7fsykf@pali> From: Giovanni Mascellani Autocrypt: addr=gio@debian.org; prefer-encrypt=mutual; keydata= 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<20191116150310.dlhjrr3kyh7fsykf@pali> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="fkBRau9TygiuBZDBOiCrq31qLIlRxFHNt" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fkBRau9TygiuBZDBOiCrq31qLIlRxFHNt Content-Type: multipart/mixed; boundary="28965gwixxR9CPzLgyTdScrN9eTw5BiVc"; protected-headers="v1" From: Giovanni Mascellani To: =?UTF-8?Q?Pali_Roh=c3=a1r?= Cc: Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <511eaace-6615-2bf0-9872-48f888353833@debian.org> Subject: Re: [PATCH] hwmon: (dell-smm-hwmon) Disable BIOS fan control on SET_FAN References: <20191114211408.22123-1-gio@debian.org> <20191116150310.dlhjrr3kyh7fsykf@pali> In-Reply-To: <20191116150310.dlhjrr3kyh7fsykf@pali> --28965gwixxR9CPzLgyTdScrN9eTw5BiVc Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Il 16/11/19 16:03, Pali Roh=C3=A1r ha scritto: > In my old notes I have written these two comments: >=20 > 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) k= ey and enable BIOS auto fan control (no args) This does not seem to happen on my laptop: both command pairs set and unset auto fan control, without other apparent effects. However, I have dropped 0x30a3 and 0x31a3, since 0x34a3 and 0x35a3 are known to work on all laptops where at least one command pair is known to work, and there are no known side effects. Giovanni. --=20 Giovanni Mascellani Postdoc researcher - Universit=C3=A9 Libre de Bruxelles --28965gwixxR9CPzLgyTdScrN9eTw5BiVc-- --fkBRau9TygiuBZDBOiCrq31qLIlRxFHNt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQSiBF6hBvCQNcghJEaNr8EMz954SQUCXdAujQAKCRCNr8EMz954 SRqOAP9UCmNJ2daUR+kcLDpLSfMTkLMLmbLwaselWik5PVb8LgEAssFGtOWPUY38 VgWPdMhs9o/LCyXhqvh9AEyZLBQ/1wk= =uWEL -----END PGP SIGNATURE----- --fkBRau9TygiuBZDBOiCrq31qLIlRxFHNt--