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power: supply: test-power: implement charge_behaviour property

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To validate the special formatting of the "charge_behaviour" sysfs
property add it to the example driver.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240306-power_supply-charge_behaviour_prop-v3-1-d04cf1f5f0af@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Thomas Weißschuh 2024-03-06 20:37:04 +01:00 committed by Sebastian Reichel
parent 4cece76496
commit 070c1470ae
1 changed files with 36 additions and 0 deletions
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36
drivers/power/supply/test_power.c
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@ -35,6 +35,8 @@ static int battery_capacity = 50;
static int battery_voltage = 3300;
static int battery_charge_counter = -1000;
static int battery_current = -1600;
static enum power_supply_charge_behaviour battery_charge_behaviour =
POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO;
static bool module_initialized;
@ -123,6 +125,9 @@ static int test_power_get_battery_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = battery_current;
break;
case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
val->intval = battery_charge_behaviour;
break;
default:
pr_info("%s: some properties deliberately report errors.\n",
__func__);
@ -131,6 +136,31 @@ static int test_power_get_battery_property(struct power_supply *psy,
return 0;
}
static int test_power_battery_property_is_writeable(struct power_supply *psy,
enum power_supply_property psp)
{
return psp == POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR;
}
static int test_power_set_battery_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{
switch (psp) {
case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
if (val->intval < 0 ||
val->intval >= BITS_PER_TYPE(typeof(psy->desc->charge_behaviours)) ||
!(BIT(val->intval) & psy->desc->charge_behaviours)) {
return -EINVAL;
}
battery_charge_behaviour = val->intval;
break;
default:
return -EINVAL;
}
return 0;
}
static enum power_supply_property test_power_ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
@ -156,6 +186,7 @@ static enum power_supply_property test_power_battery_props[] = {
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR,
};
static char *test_power_ac_supplied_to[] = {
@ -178,6 +209,11 @@ static const struct power_supply_desc test_power_desc[] = {
.properties = test_power_battery_props,
.num_properties = ARRAY_SIZE(test_power_battery_props),
.get_property = test_power_get_battery_property,
.set_property = test_power_set_battery_property,
.property_is_writeable = test_power_battery_property_is_writeable,
.charge_behaviours = BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO)
| BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE)
| BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE),
},
[TEST_USB] = {
.name = "test_usb",