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>
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c
index 99aec3b..b99a452 100644
--- a/drivers/power/test_power.c
+++ b/drivers/power/test_power.c
@@ -28,6 +28,7 @@
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 test_power_get_ac_property(struct power_supply *psy,
enum power_supply_property psp,
@@ -101,6 +102,12 @@
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 @@
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 @@
#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 @@
.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 @@
#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_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>");