[PATCH v3 02/18] power: supply: power_supply_core: add constant-current-charge optional property
From: Quentin Schulz <hidden>
Date: 2017-02-14 14:10:34
Also in:
linux-devicetree, linux-iio, linux-pm, lkml
Subsystem:
power supply class/subsystem and drivers, the rest · Maintainers:
Sebastian Reichel, Linus Torvalds
This adds the constant-current-charge 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 <redacted> --- 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..c844def 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_current_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-current-microamp", + &info->constant_charge_current_ua); return 0; }
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index e84f1d3..f723a8e 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_current_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier;
--
2.9.3