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Commit 85a392d4 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Anton Vorontsov
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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: default avatarDmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: default avatarAnton Vorontsov <cbouatmailru@gmail.com>
parent 73847375

drivers/power/test_power.c

+31 −0
Original line number Diff line number Diff line
@@ -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>");