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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2012-05-29 11:37:44 +0200 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2012-06-21 07:45:41 +0200 |
| commit | 85a392d47cac8fa9258c5609a7b02adade961076 (patch) | |
| tree | 74e967721926a6c97d3770cb0bc2355165cf8658 /drivers/power | |
| parent | test_power: Add support for USB AC source (diff) | |
| download | linux-85a392d47cac8fa9258c5609a7b02adade961076.tar.xz linux-85a392d47cac8fa9258c5609a7b02adade961076.zip | |
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>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/test_power.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c index 99aec3b38b23..b99a452a4fda 100644 --- a/drivers/power/test_power.c +++ b/drivers/power/test_power.c @@ -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>"); |