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=-10.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 DB9C7C43387 for ; Fri, 11 Jan 2019 14:45:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A417C206B6 for ; Fri, 11 Jan 2019 14:45:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217927; bh=WLmvW3qN7xdyUvKG5WICrpKzdk6yTactIH1S9rStr2o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oX0sJuZghtaBOjqL5CwSDQhpOGf5w1CjHyPWAo6JDbQNilziR1lcfkfQDf4AiiFHc 6dNE2XH9hN/SHE9MyBuZ2jJeiuNKECcfVV/fu06NDCxbViPYwvywu/YsQ+4NcFj7Bz hK9DCeg/irk6ylqNzOzWU2PU9SDcJ4SBQnOfEMkQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404061AbfAKOn6 (ORCPT ); Fri, 11 Jan 2019 09:43:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:36900 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404511AbfAKOn5 (ORCPT ); Fri, 11 Jan 2019 09:43:57 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6E5B02063F; Fri, 11 Jan 2019 14:43:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217836; bh=WLmvW3qN7xdyUvKG5WICrpKzdk6yTactIH1S9rStr2o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0tqdbLcYudS/Nbe3/wdVojseuDLSK+rxUVDxPgesp2S8C5mbVTtGf1tYn26Ew7Qdl 0EkNXfChdkLsvQjNS3sfeu4VrkKLqWnU2rj9/FGX+drcAlNJT3OG/D2gGtFnjohqdR 2QGrlpVGFW+7mSqrLudNTjT+909T8RYBk37erd4s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lubomir Rintel , Pavel Machek , Sebastian Reichel Subject: [PATCH 4.20 59/65] power: supply: olpc_battery: correct the temperature units Date: Fri, 11 Jan 2019 15:15:45 +0100 Message-Id: <20190111131104.003405397@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190111131055.331350141@linuxfoundation.org> References: <20190111131055.331350141@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lubomir Rintel commit ed54ffbe554f0902689fd6d1712bbacbacd11376 upstream. According to [1] and [2], the temperature values are in tenths of degree Celsius. Exposing the Celsius value makes the battery appear on fire: $ upower -i /org/freedesktop/UPower/devices/battery_olpc_battery ... temperature: 236.9 degrees C Tested on OLPC XO-1 and OLPC XO-1.75 laptops. [1] include/linux/power_supply.h [2] Documentation/power/power_supply_class.txt Fixes: fb972873a767 ("[BATTERY] One Laptop Per Child power/battery driver") Cc: stable@vger.kernel.org Signed-off-by: Lubomir Rintel Acked-by: Pavel Machek Signed-off-by: Sebastian Reichel Signed-off-by: Greg Kroah-Hartman --- drivers/power/supply/olpc_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/power/supply/olpc_battery.c +++ b/drivers/power/supply/olpc_battery.c @@ -428,14 +428,14 @@ static int olpc_bat_get_property(struct if (ret) return ret; - val->intval = (s16)be16_to_cpu(ec_word) * 100 / 256; + val->intval = (s16)be16_to_cpu(ec_word) * 10 / 256; break; case POWER_SUPPLY_PROP_TEMP_AMBIENT: ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; + val->intval = (int)be16_to_cpu(ec_word) * 10 / 256; break; case POWER_SUPPLY_PROP_CHARGE_COUNTER: ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2);