linux-kernel - [PATCH 2/7] power: supply: core: Add a field to support battery max voltage

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Date:   Sun, 17 Feb 2019 15:29:11 +0100
From:   Artur Rojek <contact@...ur-rojek.eu>
To:     Sebastian Reichel <sre@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-pm@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>,
        Artur Rojek <contact@...ur-rojek.eu>
Subject: [PATCH 2/7] power: supply: core: Add a field to support battery max voltage

Add a field for "voltage_max_design_uv" to present fully charged
battery voltage.

Signed-off-by: Artur Rojek <contact@...ur-rojek.eu>
---
 drivers/power/supply/power_supply_core.c | 3 +++
 include/linux/power_supply.h             | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 569790ea6917..702a2b17ff78 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -575,6 +575,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
 	info->energy_full_design_uwh         = -EINVAL;
 	info->charge_full_design_uah         = -EINVAL;
 	info->voltage_min_design_uv          = -EINVAL;
+	info->voltage_max_design_uv          = -EINVAL;
 	info->precharge_current_ua           = -EINVAL;
 	info->charge_term_current_ua         = -EINVAL;
 	info->constant_charge_current_max_ua = -EINVAL;
@@ -615,6 +616,8 @@ int power_supply_get_battery_info(struct power_supply *psy,
 			     &info->charge_full_design_uah);
 	of_property_read_u32(battery_np, "voltage-min-design-microvolt",
 			     &info->voltage_min_design_uv);
+	of_property_read_u32(battery_np, "voltage-max-design-microvolt",
+			     &info->voltage_max_design_uv);
 	of_property_read_u32(battery_np, "precharge-current-microamp",
 			     &info->precharge_current_ua);
 	of_property_read_u32(battery_np, "charge-term-current-microamp",
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 57b2ab82b951..2f9c201a54d1 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -332,6 +332,7 @@ struct power_supply_battery_info {
 	int energy_full_design_uwh;	    /* microWatt-hours */
 	int charge_full_design_uah;	    /* microAmp-hours */
 	int voltage_min_design_uv;	    /* microVolts */
+	int voltage_max_design_uv;	    /* microVolts */
 	int precharge_current_ua;	    /* microAmps */
 	int charge_term_current_ua;	    /* microAmps */
 	int constant_charge_current_max_ua; /* microAmps */
-- 
2.20.1