From patchwork Sun Jan 10 19:54:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 360290 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 78FD2C432C3 for ; Sun, 10 Jan 2021 19:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4688122A84 for ; Sun, 10 Jan 2021 19:55:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726787AbhAJTzh (ORCPT ); Sun, 10 Jan 2021 14:55:37 -0500 Received: from muru.com ([72.249.23.125]:42516 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726841AbhAJTzg (ORCPT ); Sun, 10 Jan 2021 14:55:36 -0500 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 39B608931; Sun, 10 Jan 2021 19:54:31 +0000 (UTC) From: Tony Lindgren To: Sebastian Reichel Cc: linux-pm@vger.kernel.org, linux-omap@vger.kernel.org, Arthur Demchenkov , Carl Philipp Klemm , Merlijn Wajer , Pavel Machek Subject: [PATCH 13/15] power: supply: cpcap-battery: Implement capacity reporting Date: Sun, 10 Jan 2021 21:54:01 +0200 Message-Id: <20210110195403.13758-14-tony@atomide.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210110195403.13758-1-tony@atomide.com> References: <20210110195403.13758-1-tony@atomide.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Arthur Demchenkov Calculate percentage using charge_full value provided. Cc: Arthur Demchenkov Cc: Carl Philipp Klemm Cc: Merlijn Wajer Cc: Pavel Machek Signed-off-by: Arthur Demchenkov [tony@atomide.com: updated to apply after dropping my earlier patch] Signed-off-by: Tony Lindgren --- drivers/power/supply/cpcap-battery.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c --- a/drivers/power/supply/cpcap-battery.c +++ b/drivers/power/supply/cpcap-battery.c @@ -546,6 +546,7 @@ static enum power_supply_property cpcap_battery_props[] = { POWER_SUPPLY_PROP_CHARGE_COUNTER, POWER_SUPPLY_PROP_POWER_NOW, POWER_SUPPLY_PROP_POWER_AVG, + POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_CAPACITY_LEVEL, POWER_SUPPLY_PROP_SCOPE, POWER_SUPPLY_PROP_TEMP, @@ -556,7 +557,7 @@ static int cpcap_battery_get_property(struct power_supply *psy, union power_supply_propval *val) { struct cpcap_battery_ddata *ddata = power_supply_get_drvdata(psy); - struct cpcap_battery_state_data *latest, *previous; + struct cpcap_battery_state_data *latest, *previous, *empty; u32 sample; s32 accumulator; int cached; @@ -636,6 +637,16 @@ static int cpcap_battery_get_property(struct power_supply *psy, tmp *= ((latest->voltage + previous->voltage) / 20000); val->intval = div64_s64(tmp, 100); break; + case POWER_SUPPLY_PROP_CAPACITY: + empty = cpcap_battery_get_empty(ddata); + if (!empty->voltage || !ddata->charge_full) + return -ENODATA; + /* (ddata->charge_full / 200) is needed for rounding */ + val->intval = empty->counter_uah - latest->counter_uah + + ddata->charge_full / 200; + val->intval = clamp(val->intval, 0, ddata->charge_full); + val->intval = val->intval * 100 / ddata->charge_full; + break; case POWER_SUPPLY_PROP_CAPACITY_LEVEL: if (cpcap_battery_full(ddata)) val->intval = POWER_SUPPLY_CAPACITY_LEVEL_FULL;