Message ID | b70d55f008cfbbb79abf27018261d8a6f16e9673.1539915051.git.baolin.wang@linaro.org (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
Series | [v5,1/6] dt-bindings: power: Introduce one property to present the battery internal resistance | expand |
Hi, On Fri, Oct 19, 2018 at 06:53:11PM +0800, Baolin Wang wrote: > Add one field for 'struct power_supply_battery_info' to present the battery > factory internal resistance. > > Signed-off-by: Baolin Wang <baolin.wang@linaro.org> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > --- Looks good to me. -- Sebastian > Changes from v4: > - None. > > Changes from v3: > - New patch in v3, which splits code into one separate patch. > - Add Linusw reviewed tag. > --- > 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 e853618..307e0995 100644 > --- a/drivers/power/supply/power_supply_core.c > +++ b/drivers/power/supply/power_supply_core.c > @@ -579,6 +579,7 @@ int power_supply_get_battery_info(struct power_supply *psy, > info->charge_term_current_ua = -EINVAL; > info->constant_charge_current_max_ua = -EINVAL; > info->constant_charge_voltage_max_uv = -EINVAL; > + info->factory_internal_resistance_uohm = -EINVAL; > > if (!psy->of_node) { > dev_warn(&psy->dev, "%s currently only supports devicetree\n", > @@ -616,6 +617,8 @@ int power_supply_get_battery_info(struct power_supply *psy, > &info->constant_charge_current_max_ua); > of_property_read_u32(battery_np, "constant_charge_voltage_max_microvolt", > &info->constant_charge_voltage_max_uv); > + of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms", > + &info->factory_internal_resistance_uohm); > > return 0; > } > diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h > index f807691..d089566 100644 > --- a/include/linux/power_supply.h > +++ b/include/linux/power_supply.h > @@ -326,6 +326,7 @@ struct power_supply_battery_info { > int charge_term_current_ua; /* microAmps */ > int constant_charge_current_max_ua; /* microAmps */ > int constant_charge_voltage_max_uv; /* microVolts */ > + int factory_internal_resistance_uohm; /* microOhms */ > }; > > extern struct atomic_notifier_head power_supply_notifier; > -- > 1.7.9.5 >
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index e853618..307e0995 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -579,6 +579,7 @@ int power_supply_get_battery_info(struct power_supply *psy, info->charge_term_current_ua = -EINVAL; info->constant_charge_current_max_ua = -EINVAL; info->constant_charge_voltage_max_uv = -EINVAL; + info->factory_internal_resistance_uohm = -EINVAL; if (!psy->of_node) { dev_warn(&psy->dev, "%s currently only supports devicetree\n", @@ -616,6 +617,8 @@ int power_supply_get_battery_info(struct power_supply *psy, &info->constant_charge_current_max_ua); of_property_read_u32(battery_np, "constant_charge_voltage_max_microvolt", &info->constant_charge_voltage_max_uv); + of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms", + &info->factory_internal_resistance_uohm); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index f807691..d089566 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -326,6 +326,7 @@ struct power_supply_battery_info { int charge_term_current_ua; /* microAmps */ int constant_charge_current_max_ua; /* microAmps */ int constant_charge_voltage_max_uv; /* microVolts */ + int factory_internal_resistance_uohm; /* microOhms */ }; extern struct atomic_notifier_head power_supply_notifier;