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From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>
Date: Sun, 03 Mar 2024 16:31:16 +0100
Subject: [PATCH v2 4/4] power: supply: test-power: implement
 charge_behaviour property
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Message-Id: <20240303-power_supply-charge_behaviour_prop-v2-4-8ebb0a7c2409@weissschuh.net>
References: <20240303-power_supply-charge_behaviour_prop-v2-0-8ebb0a7c2409@weissschuh.net>
In-Reply-To: <20240303-power_supply-charge_behaviour_prop-v2-0-8ebb0a7c2409@weissschuh.net>
To: Sebastian Reichel <sre@kernel.org>, Hans de Goede <hdegoede@redhat.com>, 
 Konrad Dybcio <konradybcio@kernel.org>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, 
 Sebastian Reichel <sebastian.reichel@collabora.com>, 
 =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>

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>
---
 drivers/power/supply/test_power.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
index 0d0a77584c5d..1dfbaabb8086 100644
--- a/drivers/power/supply/test_power.c
+++ b/drivers/power/supply/test_power.c
@@ -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 +136,26 @@ 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:
+		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 +181,7 @@ 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 +204,11 @@ 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",

-- 
2.44.0