power_supply: Introduce maximum current property

USB only gives the maximum current allowed to draw.

Signed-off-by: Heikki Krogerus <ext-heikki.krogerus@nokia.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 88f5e43..cd1f907 100644 (file)
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -139,6 +139,7 @@ static struct device_attribute power_supply_attrs[] = {
        POWER_SUPPLY_ATTR(voltage_min_design),
        POWER_SUPPLY_ATTR(voltage_now),
        POWER_SUPPLY_ATTR(voltage_avg),
+       POWER_SUPPLY_ATTR(current_max),
        POWER_SUPPLY_ATTR(current_now),
        POWER_SUPPLY_ATTR(current_avg),
        POWER_SUPPLY_ATTR(power_now),

diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index d37fef6..7d73256 100644 (file)
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -89,6 +89,7 @@ enum power_supply_property {
        POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
        POWER_SUPPLY_PROP_VOLTAGE_NOW,
        POWER_SUPPLY_PROP_VOLTAGE_AVG,
+       POWER_SUPPLY_PROP_CURRENT_MAX,
        POWER_SUPPLY_PROP_CURRENT_NOW,
        POWER_SUPPLY_PROP_CURRENT_AVG,
        POWER_SUPPLY_PROP_POWER_NOW,