From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Belisko Subject: [RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling Date: Tue, 1 Aug 2017 22:55:26 +0200 Message-ID: <1501620926-22669-6-git-send-email-marek.belisko@open-nandra.com> References: <1501620926-22669-1-git-send-email-marek.belisko@open-nandra.com> Return-path: In-Reply-To: <1501620926-22669-1-git-send-email-marek.belisko@open-nandra.com> Sender: linux-kernel-owner@vger.kernel.org To: sre@kernel.org Cc: robh+dt@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, hns@goldelico.com, pavel@ucw.cz, Marek Belisko List-Id: linux-pm@vger.kernel.org From: Marek Belisko Signed-off-by: Marek Belisko --- drivers/power/supply/generic-adc-battery.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index 0d27b59..9ce51d2 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -24,6 +24,7 @@ #include #include #include +#include #define JITTER_DEFAULT 10 /* hope 10ms is enough */ @@ -81,6 +82,7 @@ static const enum power_supply_property gab_props[] = { POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_CAPACITY, }; /* @@ -202,6 +204,18 @@ static int gab_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_MODEL_NAME: val->strval = bat_info->name; break; + case POWER_SUPPLY_PROP_CAPACITY: + { + int ret, curr, voltage; + + ret = read_channel(adc_bat, POWER_SUPPLY_PROP_CURRENT_NOW, &curr); + ret |= read_channel(adc_bat, POWER_SUPPLY_PROP_VOLTAGE_NOW, &voltage); + if (ret < 0) + goto err; + + val->intval = fuel_level_LiIon(voltage, curr, 10); + } + break; default: return -EINVAL; } -- 2.7.4