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: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c
index b527c93..99aec3b 100644
--- a/drivers/power/test_power.c
+++ b/drivers/power/test_power.c
@@ -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 @@
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 @@
.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 @@
/* 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 @@
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 @@
#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 @@
#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 @@
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>");