From mboxrd@z Thu Jan 1 00:00:00 1970 From: quentin.schulz@free-electrons.com (Quentin Schulz) Date: Wed, 15 Mar 2017 11:55:21 +0100 Subject: [PATCH v4 02/18] power: supply: power_supply_core: add constant-charge-current optional property In-Reply-To: <20170315105537.22349-1-quentin.schulz@free-electrons.com> References: <20170315105537.22349-1-quentin.schulz@free-electrons.com> Message-ID: <20170315105537.22349-3-quentin.schulz@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This adds the constant-charge-current property to the list of optional properties for the battery. The constant charge current is critical for batteries as they can't handle all charge currents. Signed-off-by: Quentin Schulz --- v4: - switch from constant-charge-current-microamp to constant-charge-microamp, added in v3 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 ced8fef..5be5615 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -498,6 +498,7 @@ 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->constant_charge_ua = -EINVAL; if (!psy->of_node) { dev_warn(&psy->dev, "%s currently only supports devicetree\n", @@ -522,6 +523,8 @@ 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, "constant-charge-microamp", + &info->constant_charge_ua); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e84f1d3..13bff00 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -301,6 +301,7 @@ 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 constant_charge_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier; -- 2.9.3