From patchwork Mon Apr 20 03:42:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 212263 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 20522C54FCC for ; Mon, 20 Apr 2020 03:42:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3D6A221F7 for ; Mon, 20 Apr 2020 03:42:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fVgABpYD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726116AbgDTDme (ORCPT ); Sun, 19 Apr 2020 23:42:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725865AbgDTDmd (ORCPT ); Sun, 19 Apr 2020 23:42:33 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9A77C061A0C; Sun, 19 Apr 2020 20:42:33 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id f8so3456028plt.2; Sun, 19 Apr 2020 20:42:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=OLaM6Qu6tx9wARiWQDaw8WtmOfSiQlnO4zEaooNM6j0=; b=fVgABpYDIFpulLjWXtcFz+P5Pyc2BObkCqXc42k8zU5gZSVjLqIWsJTp/OI2ZoVWm4 Xkr0wscWh/pXYYraltinY460aUXQqUp13SqABCcAzld1aWSeBRZWjbk3NUjDwiT9VpaB AjSP4Ngzk2uas6Mro4daKqLyQDHAVDoXFr0MOllaKQyyg66S7MjyhDsenBUNVDM+HkST aDuaw5DH0s4pTya4Bak9XTnZEDc2BGl2L5BFQ4YVEYEKzL2UZcy/Dw3zYSgqgpaHKn1s 4/hqcSBbLh6CeHrY0YYFUHfLJ8ZsraGls/l5RCNspwusf/rRLubri0fdaFtvHSz3qi4A szWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=OLaM6Qu6tx9wARiWQDaw8WtmOfSiQlnO4zEaooNM6j0=; b=OidBQKH1RkZgB/xgP2tOPQOXgsePHyHA+aImwJaTFjgkW9LobcrWwuYG8E8pgMILKG GvkuVy1KzsjWtWeKu4hfgbM9y3a1rgVU+eReS2/mx4iHWrNpT7MymLFwmtyGRWpHBEMT u/MtTUFtZbQSLXj2Cg786HoVWm6gFr70+j/6WExyo40JNy54Kpkj7Ub6We1I+4zgaEzC DavoXhVZ90ebi45l6vb5gHYRyXmH9l4Q6LPtJAY2RkylCUuudBW5T8GMCeHGmrorlJBj zG8Jlrm1gibrl1Mep1x2FmjIBdA40HBCgGH9Ea+6Usd5fdZX/4CmHKwalbOxXltpxns+ pp/A== X-Gm-Message-State: AGi0PuaXI0Qj+cRzCNjpplchMYRPh5+6nfiPCkTjyZ8K3AIq1jJ4nYot 7ZvJI03FxxYegDVstXnFihI= X-Google-Smtp-Source: APiQypLS0wLw9k9ccJRTnZb2qw34t9alZqR0SmMnF/oMyER23ILtnZD+YDYXuRIhj0tqZruIbxa0iA== X-Received: by 2002:a17:902:561:: with SMTP id 88mr15393475plf.78.1587354153418; Sun, 19 Apr 2020 20:42:33 -0700 (PDT) Received: from localhost.localdomain ([45.135.186.129]) by smtp.gmail.com with ESMTPSA id d21sm12467660pjs.3.2020.04.19.20.42.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Apr 2020 20:42:32 -0700 (PDT) From: Baolin Wang To: sre@kernel.org Cc: baolin.wang7@gmail.com, orsonzhai@gmail.com, zhang.lyra@gmail.com, yuanjiang.yu@unisoc.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] power: supply: sc27xx: Allow to change the battery full capacity Date: Mon, 20 Apr 2020 11:42:05 +0800 Message-Id: <88115ce628cda05d5c4961e364bb1204dbfeb03a.1587353854.git.baolin.wang7@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Yuanjiang Yu The battery full capacity can be affected by the temperature or the servicing time or other factors, so some platforms will track the real battery full capacity in charger manager service. Thus we should allow to change the battery full capacity by setting the 'POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN' property as writeable. Signed-off-by: Yuanjiang Yu Signed-off-by: Baolin Wang --- drivers/power/supply/sc27xx_fuel_gauge.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 9dcd55f1d9f3..5970d4a78016 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -656,6 +656,11 @@ static int sc27xx_fgu_set_property(struct power_supply *psy, ret = 0; break; + case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: + data->total_cap = val->intval / 1000; + ret = 0; + break; + default: ret = -EINVAL; } @@ -676,7 +681,8 @@ static int sc27xx_fgu_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { return psp == POWER_SUPPLY_PROP_CAPACITY || - psp == POWER_SUPPLY_PROP_CALIBRATE; + psp == POWER_SUPPLY_PROP_CALIBRATE || + psp == POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN; } static enum power_supply_property sc27xx_fgu_props[] = { From patchwork Mon Apr 20 03:42:07 2020 Content-Type: text/plain; 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Sun, 19 Apr 2020 20:42:41 -0700 (PDT) From: Baolin Wang To: sre@kernel.org Cc: baolin.wang7@gmail.com, orsonzhai@gmail.com, zhang.lyra@gmail.com, yuanjiang.yu@unisoc.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/4] power: supply: sc27xx: Add boot voltage support Date: Mon, 20 Apr 2020 11:42:07 +0800 Message-Id: <098bc90ca87402ba08cec6df81fe3465eeb10e00.1587353854.git.baolin.wang7@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Yuanjiang Yu Add new property to allow to get the voltage measured during boot time. Signed-off-by: Yuanjiang Yu Signed-off-by: Baolin Wang --- drivers/power/supply/sc27xx_fuel_gauge.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 82d0c64ef269..be42e814ea34 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -84,6 +84,7 @@ * @init_clbcnt: the initial coulomb counter * @max_volt: the maximum constant input voltage in millivolt * @min_volt: the minimum drained battery voltage in microvolt + * @boot_volt: the voltage measured during boot in microvolt * @table_len: the capacity table length * @resist_table_len: the resistance table length * @cur_1000ma_adc: ADC value corresponding to 1000 mA @@ -109,6 +110,7 @@ struct sc27xx_fgu_data { int init_clbcnt; int max_volt; int min_volt; + int boot_volt; int table_len; int resist_table_len; int cur_1000ma_adc; @@ -321,6 +323,7 @@ static int sc27xx_fgu_get_boot_capacity(struct sc27xx_fgu_data *data, int *cap) volt = sc27xx_fgu_adc_to_voltage(data, volt); ocv = volt * 1000 - oci * data->internal_resist; + data->boot_volt = ocv; /* * Parse the capacity table to look up the correct capacity percent @@ -680,6 +683,10 @@ static int sc27xx_fgu_get_property(struct power_supply *psy, val->intval = value * 1000; break; + case POWER_SUPPLY_PROP_VOLTAGE_BOOT: + val->intval = data->boot_volt; + break; + default: ret = -EINVAL; break; @@ -750,6 +757,7 @@ static enum power_supply_property sc27xx_fgu_props[] = { POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_VOLTAGE_OCV, POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_VOLTAGE_BOOT, POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,