test_power: Add CHARGE_COUNTER properties

CHARGE_COUNTER is really general in other power supply drivers and
Android also has an interface to monitor CHARGE_COUNTER, so let's
add it into test framework.

Set default as -1000 is because the default status is
POWER_SUPPLY_STATUS_DISCHARGING, which means the counter should be
negative, and 1000 means not zero but small enough.

Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
index c3cad2b..70db8d2 100644 (file)
--- a/drivers/power/supply/test_power.c
+++ b/drivers/power/supply/test_power.c
@@ -33,6 +33,7 @@ static int battery_present            = 1; /* true */
 static int battery_technology          = POWER_SUPPLY_TECHNOLOGY_LION;
 static int battery_capacity            = 50;
 static int battery_voltage             = 3300;
+static int battery_charge_counter      = -1000;
 
 static bool module_initialized;
 
@@ -100,6 +101,9 @@ static int test_power_get_battery_property(struct power_supply *psy,
        case POWER_SUPPLY_PROP_CHARGE_NOW:
                val->intval = battery_capacity;
                break;
+       case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+               val->intval = battery_charge_counter;
+               break;
        case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
        case POWER_SUPPLY_PROP_CHARGE_FULL:
                val->intval = 100;
@@ -135,6 +139,7 @@ static enum power_supply_property test_power_battery_props[] = {
        POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
        POWER_SUPPLY_PROP_CHARGE_FULL,
        POWER_SUPPLY_PROP_CHARGE_NOW,
+       POWER_SUPPLY_PROP_CHARGE_COUNTER,
        POWER_SUPPLY_PROP_CAPACITY,
        POWER_SUPPLY_PROP_CAPACITY_LEVEL,
        POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
@@ -447,6 +452,21 @@ static int param_set_battery_voltage(const char *key,
 
 #define param_get_battery_voltage param_get_int
 
+static int param_set_battery_charge_counter(const char *key,
+                                       const struct kernel_param *kp)
+{
+       int tmp;
+
+       if (1 != sscanf(key, "%d", &tmp))
+               return -EINVAL;
+
+       battery_charge_counter = tmp;
+       signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
+       return 0;
+}
+
+#define param_get_battery_charge_counter param_get_int
+
 static const struct kernel_param_ops param_ops_ac_online = {
        .set = param_set_ac_online,
        .get = param_get_ac_online,
@@ -487,6 +507,11 @@ static const struct kernel_param_ops param_ops_battery_voltage = {
        .get = param_get_battery_voltage,
 };
 
+static const struct kernel_param_ops param_ops_battery_charge_counter = {
+       .set = param_set_battery_charge_counter,
+       .get = param_get_battery_charge_counter,
+};
+
 #define param_check_ac_online(name, p) __param_check(name, p, void);
 #define param_check_usb_online(name, p) __param_check(name, p, void);
 #define param_check_battery_status(name, p) __param_check(name, p, void);
@@ -495,6 +520,7 @@ static const struct kernel_param_ops param_ops_battery_voltage = {
 #define param_check_battery_health(name, p) __param_check(name, p, void);
 #define param_check_battery_capacity(name, p) __param_check(name, p, void);
 #define param_check_battery_voltage(name, p) __param_check(name, p, void);
+#define param_check_battery_charge_counter(name, p) __param_check(name, p, void);
 
 
 module_param(ac_online, ac_online, 0644);
@@ -525,6 +551,10 @@ MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");
 module_param(battery_voltage, battery_voltage, 0644);
 MODULE_PARM_DESC(battery_voltage, "battery voltage (millivolts)");
 
+module_param(battery_charge_counter, battery_charge_counter, 0644);
+MODULE_PARM_DESC(battery_charge_counter,
+       "battery charge counter (microampere-hours)");
+
 MODULE_DESCRIPTION("Power supply driver for testing");
 MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
 MODULE_LICENSE("GPL");