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Commit 73847375 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Anton Vorontsov
Browse files

test_power: Add support for USB AC source 



Usually a device has both AC plug and UDC plug usable for charging.
Provide both AC sources.

Signed-off-by: default avatarDmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: default avatarAnton Vorontsov <cbouatmailru@gmail.com>
parent ecb7a8eb

drivers/power/test_power.c

+46 −2
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <linux/vermagic.h>



static int ac_online			= 1;

static int usb_online			= 1;

static int battery_status		= POWER_SUPPLY_STATUS_DISCHARGING;

static int battery_health		= POWER_SUPPLY_HEALTH_GOOD;

static int battery_present		= 1; /* true */
@@ -42,6 +43,20 @@ static int test_power_get_ac_property(struct power_supply *psy, 
	return 0;

}



static int test_power_get_usb_property(struct power_supply *psy,

				      enum power_supply_property psp,

				      union power_supply_propval *val)

{

	switch (psp) {

	case POWER_SUPPLY_PROP_ONLINE:

		val->intval = usb_online;

		break;

	default:

		return -EINVAL;

	}

	return 0;

}



static int test_power_get_battery_property(struct power_supply *psy,

					   enum power_supply_property psp,

					   union power_supply_propval *val)
@@ -135,6 +150,14 @@ static struct power_supply test_power_supplies[] = { 
		.properties = test_power_battery_props,

		.num_properties = ARRAY_SIZE(test_power_battery_props),

		.get_property = test_power_get_battery_property,

	}, {

		.name = "test_usb",

		.type = POWER_SUPPLY_TYPE_USB,

		.supplied_to = test_power_ac_supplied_to,

		.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),

		.properties = test_power_ac_props,

		.num_properties = ARRAY_SIZE(test_power_ac_props),

		.get_property = test_power_get_usb_property,

	},

};
@@ -167,6 +190,7 @@ static void __exit test_power_exit(void) 


	/* Let's see how we handle changes... */

	ac_online = 0;

	usb_online = 0;

	battery_status = POWER_SUPPLY_STATUS_DISCHARGING;

	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)

		power_supply_changed(&test_power_supplies[i]);
@@ -275,6 +299,19 @@ static int param_get_ac_online(char *buffer, const struct kernel_param *kp) 
	return strlen(buffer);

}



static int param_set_usb_online(const char *key, const struct kernel_param *kp)

{

	usb_online = map_get_value(map_ac_online, key, usb_online);

	power_supply_changed(&test_power_supplies[2]);

	return 0;

}



static int param_get_usb_online(char *buffer, const struct kernel_param *kp)

{

	strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown"));

	return strlen(buffer);

}



static int param_set_battery_status(const char *key,

					const struct kernel_param *kp)

{
@@ -350,13 +387,16 @@ static int param_set_battery_capacity(const char *key, 


#define param_get_battery_capacity param_get_int







static struct kernel_param_ops param_ops_ac_online = {

	.set = param_set_ac_online,

	.get = param_get_ac_online,

};



static struct kernel_param_ops param_ops_usb_online = {

	.set = param_set_usb_online,

	.get = param_get_usb_online,

};



static struct kernel_param_ops param_ops_battery_status = {

	.set = param_set_battery_status,

	.get = param_get_battery_status,
@@ -384,6 +424,7 @@ static struct kernel_param_ops param_ops_battery_capacity = { 




#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);

#define param_check_battery_present(name, p) __param_check(name, p, void);

#define param_check_battery_technology(name, p) __param_check(name, p, void);
@@ -394,6 +435,9 @@ static struct kernel_param_ops param_ops_battery_capacity = { 
module_param(ac_online, ac_online, 0644);

MODULE_PARM_DESC(ac_online, "AC charging state <on|off>");



module_param(usb_online, usb_online, 0644);

MODULE_PARM_DESC(usb_online, "USB charging state <on|off>");



module_param(battery_status, battery_status, 0644);

MODULE_PARM_DESC(battery_status,

	"battery status <charging|discharging|not-charging|full>");