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test_power: Add VOLTAGE_NOW and BATTERY_TEMP properties 

Emulate battery temperature (fixed to 26) and battery voltage (variable)
properties.

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2012-05-29 13:37:44 +04:00 committed by Anton Vorontsov
parent 7384737588
commit 85a392d47c
1 changed files with 31 additions and 0 deletions
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31
drivers/power/test_power.c
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@ -28,6 +28,7 @@ static int battery_health = POWER_SUPPLY_HEALTH_GOOD;
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 test_power_get_ac_property(struct power_supply *psy,
enum power_supply_property psp,
@ -101,6 +102,12 @@ static int test_power_get_battery_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
val->intval = 3600;
break;
case POWER_SUPPLY_PROP_TEMP:
val->intval = 26;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = battery_voltage;
break;
default:
pr_info("%s: some properties deliberately report errors.\n",
__func__);
@ -129,6 +136,8 @@ static enum power_supply_property test_power_battery_props[] = {
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
POWER_SUPPLY_PROP_SERIAL_NUMBER,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
};
static char *test_power_ac_supplied_to[] = {
@ -387,6 +396,21 @@ static int param_set_battery_capacity(const char *key,
#define param_get_battery_capacity param_get_int
static int param_set_battery_voltage(const char *key,
const struct kernel_param *kp)
{
int tmp;
if (1 != sscanf(key, "%d", &tmp))
return -EINVAL;
battery_voltage = tmp;
power_supply_changed(&test_power_supplies[1]);
return 0;
}
#define param_get_battery_voltage param_get_int
static struct kernel_param_ops param_ops_ac_online = {
.set = param_set_ac_online,
.get = param_get_ac_online,
@ -422,6 +446,10 @@ static struct kernel_param_ops param_ops_battery_capacity = {
.get = param_get_battery_capacity,
};
static struct kernel_param_ops param_ops_battery_voltage = {
.set = param_set_battery_voltage,
.get = param_get_battery_voltage,
};
#define param_check_ac_online(name, p) __param_check(name, p, void);
#define param_check_usb_online(name, p) __param_check(name, p, void);
@ -430,6 +458,7 @@ static struct kernel_param_ops param_ops_battery_capacity = {
#define param_check_battery_technology(name, p) __param_check(name, p, void);
#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);
module_param(ac_online, ac_online, 0644);
@ -457,6 +486,8 @@ MODULE_PARM_DESC(battery_health,
module_param(battery_capacity, battery_capacity, 0644);
MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");
module_param(battery_voltage, battery_voltage, 0644);
MODULE_PARM_DESC(battery_voltage, "battery voltage (millivolts)");
MODULE_DESCRIPTION("Power supply driver for testing");
MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");