diff options
Diffstat (limited to 'drivers/power/test_power.c')
| -rw-r--r-- | drivers/power/test_power.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c index b527c93bf2f3..b99a452a4fda 100644 --- a/drivers/power/test_power.c +++ b/drivers/power/test_power.c @@ -22,11 +22,13 @@ #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 */ 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, @@ -42,6 +44,20 @@ 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) @@ -86,6 +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__); @@ -114,6 +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[] = { @@ -135,6 +159,14 @@ 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 +199,7 @@ 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 +308,19 @@ 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 +396,31 @@ 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, }; +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, @@ -382,18 +446,27 @@ 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); #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); #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); 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>"); @@ -413,6 +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>"); |