ACPI: battery: add power_{now,avg} properties to power_class

ACPI has smart batteries, which work in units of energy and measure
rate of (dis)charge as power, thus it is not appropriate to export it
as a current_now. Current_now will still be exported to allow
for userland applications to match.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 69cbc57c2d1c..09a2240d5605 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -92,7 +92,7 @@ struct acpi_battery {
 #endif
         struct acpi_device *device;
         unsigned long update_time;
-        int current_now;
+        int rate_now;
         int capacity_now;
         int voltage_now;
         int design_capacity;
@@ -196,7 +196,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
                 val->intval = battery->voltage_now * 1000;
                 break;
         case POWER_SUPPLY_PROP_CURRENT_NOW:
-                val->intval = battery->current_now * 1000;
+        case POWER_SUPPLY_PROP_POWER_NOW:
+                val->intval = battery->rate_now * 1000;
                 break;
         case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
         case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
@@ -247,6 +248,7 @@ static enum power_supply_property energy_battery_props[] = {
         POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
         POWER_SUPPLY_PROP_VOLTAGE_NOW,
         POWER_SUPPLY_PROP_CURRENT_NOW,
+        POWER_SUPPLY_PROP_POWER_NOW,
         POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
         POWER_SUPPLY_PROP_ENERGY_FULL,
         POWER_SUPPLY_PROP_ENERGY_NOW,
@@ -273,7 +275,7 @@ struct acpi_offsets {
 
 static struct acpi_offsets state_offsets[] = {
         {offsetof(struct acpi_battery, state), 0},
-        {offsetof(struct acpi_battery, current_now), 0},
+        {offsetof(struct acpi_battery, rate_now), 0},
         {offsetof(struct acpi_battery, capacity_now), 0},
         {offsetof(struct acpi_battery, voltage_now), 0},
 };
@@ -605,11 +607,11 @@ static int acpi_battery_print_state(struct seq_file *seq, int result)
         else
                 seq_printf(seq, "charging state:          charged\n");
 
-        if (battery->current_now == ACPI_BATTERY_VALUE_UNKNOWN)
+        if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
                 seq_printf(seq, "present rate:            unknown\n");
         else
                 seq_printf(seq, "present rate:            %d %s\n",
-                           battery->current_now, acpi_battery_units(battery));
+                           battery->rate_now, acpi_battery_units(battery));
 
         if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN)
                 seq_printf(seq, "remaining capacity:      unknown\n");