Commit 070c1470 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Sebastian Reichel
Browse files

power: supply: test-power: implement charge_behaviour property 



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

Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240306-power_supply-charge_behaviour_prop-v3-1-d04cf1f5f0af@weissschuh.net


Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 4cece764

drivers/power/supply/test_power.c

+36 −0
Original line number Diff line number Diff line
@@ -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",