From patchwork Wed Oct 10 17:22:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 10635013 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 98FFE15E2 for ; Wed, 10 Oct 2018 17:25:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B3962A2A8 for ; Wed, 10 Oct 2018 17:25:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7EEC02A314; Wed, 10 Oct 2018 17:25:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E11A2A2B6 for ; Wed, 10 Oct 2018 17:25:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726910AbeJKAqd (ORCPT ); Wed, 10 Oct 2018 20:46:33 -0400 Received: from shell.v3.sk ([90.176.6.54]:54489 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726568AbeJKAqc (ORCPT ); Wed, 10 Oct 2018 20:46:32 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 5FCC9BCFAF; Wed, 10 Oct 2018 19:23:19 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id IVdP-ZxsiA4f; Wed, 10 Oct 2018 19:23:04 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id C9410BCF86; Wed, 10 Oct 2018 19:23:03 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id hn-JQh2C33tb; Wed, 10 Oct 2018 19:23:02 +0200 (CEST) Received: from belphegor.lan (ip-89-102-31-34.net.upcbroadband.cz [89.102.31.34]) by zimbra.v3.sk (Postfix) with ESMTPSA id 4D018BCFAA; Wed, 10 Oct 2018 19:23:02 +0200 (CEST) From: Lubomir Rintel To: Mark Brown , Geert Uytterhoeven , Darren Hart , Andy Shevchenko Cc: Greg Kroah-Hartman , James Cameron , Sebastian Reichel , Rob Herring , Mark Rutland , Eric Miao , Haojian Zhuang , Daniel Mack , Robert Jarzmik , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, platform-driver-x86@vger.kernel.org, devel@driverdev.osuosl.org, linux-pm@vger.kernel.org, Lubomir Rintel , stable@vger.kernel.org Subject: [PATCH 01/15] power: supply: olpc_battery: correct the temperature units Date: Wed, 10 Oct 2018 19:22:46 +0200 Message-Id: <20181010172300.317643-2-lkundrak@v3.sk> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181010172300.317643-1-lkundrak@v3.sk> References: <20181010172300.317643-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Cc: stable@vger.kernel.org Signed-off-by: Lubomir Rintel Acked-by: Pavel Machek --- drivers/power/supply/olpc_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c index 6da79ae14860..5a97e42a3547 100644 --- 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 power_supply *psy, 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);