[v1,1/4] usb: typec: ucsi: Add status to UCSI power supply driver

Commit Message

Jameson Thies July 17, 2024, 12:49 a.m. UTC

Add status to UCSI power supply driver properties based on the port's
connection and power direction states.

Signed-off-by: Jameson Thies <[e-mail]>
---
 drivers/usb/typec/ucsi/psy.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Patch

diff --git a/drivers/usb/typec/ucsi/psy.c b/drivers/usb/typec/ucsi/psy.c
index e623d80e177c..d0b52cee41d2 100644
--- a/drivers/usb/typec/ucsi/psy.c
+++ b/drivers/usb/typec/ucsi/psy.c
@@ -29,6 +29,7 @@  static enum power_supply_property ucsi_psy_props[] = {
 	POWER_SUPPLY_PROP_CURRENT_MAX,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_SCOPE,
+	POWER_SUPPLY_PROP_STATUS,
 };
 
 static int ucsi_psy_get_scope(struct ucsi_connector *con,
@@ -51,6 +52,20 @@  static int ucsi_psy_get_scope(struct ucsi_connector *con,
 	return 0;
 }
 
+static int ucsi_psy_get_status(struct ucsi_connector *con,
+			       union power_supply_propval *val)
+{
+	val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
+	if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
+		if ((con->status.flags & UCSI_CONSTAT_PWR_DIR) == TYPEC_SINK)
+			val->intval = POWER_SUPPLY_STATUS_CHARGING;
+		else
+			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+	}
+
+	return 0;
+}
+
 static int ucsi_psy_get_online(struct ucsi_connector *con,
 			       union power_supply_propval *val)
 {
@@ -249,6 +264,8 @@  static int ucsi_psy_get_prop(struct power_supply *psy,
 		return ucsi_psy_get_current_now(con, val);
 	case POWER_SUPPLY_PROP_SCOPE:
 		return ucsi_psy_get_scope(con, val);
+	case POWER_SUPPLY_PROP_STATUS:
+		return ucsi_psy_get_status(con, val);
 	default:
 		return -EINVAL;
 	}