From patchwork Mon Apr 20 03:42:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 212262 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 2223BC54FCC for ; Mon, 20 Apr 2020 03:42:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F22FA21D82 for ; Mon, 20 Apr 2020 03:42:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X1n6Hw6N" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726318AbgDTDmo (ORCPT ); Sun, 19 Apr 2020 23:42:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725865AbgDTDmn (ORCPT ); Sun, 19 Apr 2020 23:42:43 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 770F2C061A0C; Sun, 19 Apr 2020 20:42:43 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id p8so4396778pgi.5; Sun, 19 Apr 2020 20:42:43 -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=ZmbaW0s8Lq0BUJ+PzKbYmuUcRhk4c92Bhfoij2xYNoI=; b=X1n6Hw6NGwunwRUFC8MS5sgsDvf+q1ReIeXVsUF9L8rYueYTn3fRNsWomjcoA+iycy UTDC+Eisl6twcaiAfokSULe3KhXCbznTjVwr9Tex8wBOizSbAUDY3SUaLJ4t/clnErF1 LwLbSIDX8186Wa+MVr/Ik81Zku1VmzspRSSsGxegUPuEfFRaLlK9sf/Yp/zFmn8DPCg4 BrnrqDt+neG1aiQ7JukwCO0eS1H81flPSXT15KZ7X69r2kTjjIyygAJ4xJWaZbiIvOMm 3NtCoIG9D28BETa5128w8K+uV1oX0KQPSvnaNlcZ0Q+GHTVY2tXzuQT8Q3jBXqZhZw19 ZHoQ== 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=ZmbaW0s8Lq0BUJ+PzKbYmuUcRhk4c92Bhfoij2xYNoI=; b=sEk/GHJ6pMTuWTqIzJekyD8v9bSR7vM/rjs4e26fnTnMPskqsqkGgF9RgoO4rO2yBQ lFm232uLJF2mh1zFCWXMzdacdGYLNei3CLoU1XymiutpDN0TMpensTAGb0awaMs/IT2T BzvgrNctr2s3a5dJXUTdci+XwhKbwTojGDIXK5OmRNatuJ2ADK9YVjorIYBUIubt2hjU 64nzkWwLewaT90o8PJzFrsrpwbPcp5I/l+TouvOb4muiDhQSj7Zckkyb/s/3Mdm8zIxF iqFN3qmcvNArls2WmKqeUg27steRR6jok8KFXfU3Yal92fCa7yVISILulpAPSD3CCqUT 0/mQ== X-Gm-Message-State: AGi0PuZ1kzEaadiw/fLLwlurv3oogo4IuNHQtNLcCTZbEUIDbzGgDuV6 gGmcrxx4S7PyhATcMt1CLvk= X-Google-Smtp-Source: APiQypIYBAbgEjbWQ2GmqE9f6ikPln1mzkS9bKK8nNsHkjcPnusoaFvQ3lbb206N41PS5j5zjR+vkA== X-Received: by 2002:a63:4e1d:: with SMTP id c29mr14964791pgb.235.1587354162133; Sun, 19 Apr 2020 20:42:42 -0700 (PDT) Received: from localhost.localdomain ([45.135.186.129]) by smtp.gmail.com with ESMTPSA id d21sm12467660pjs.3.2020.04.19.20.42.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); 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,