[PATCH 2/2] power: supply: leds: add a not-charging trigger

[Steffen Dirkwinkel]

From: Steffen Dirkwinkel <s.dirkwinkel@xxxxxxxxxxxx>

We intend to use this with a gpio-charger ups device that reports
charging or not-charging based on a gpio to set a "power failure" led.

Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@xxxxxxxxxxxx>
---
 drivers/power/supply/power_supply_leds.c | 7 +++++++
 include/linux/power_supply.h             | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/power/supply/power_supply_leds.c b/drivers/power/supply/power_supply_leds.c
index 538cc0440e53..c82a3628765c 100644
--- a/drivers/power/supply/power_supply_leds.c
+++ b/drivers/power/supply/power_supply_leds.c
@@ -131,6 +131,10 @@ static void power_supply_update_status_leds(struct power_supply *psy)
 			LED_OFF);
 		break;
 	}
+
+	led_trigger_event(psy->not_charging_trig,
+			  status.intval == POWER_SUPPLY_STATUS_NOT_CHARGING ?
+			  LED_FULL : LED_OFF);
 }
 
 static int power_supply_create_status_triggers(struct power_supply *psy)
@@ -150,6 +154,8 @@ static int power_supply_create_status_triggers(struct power_supply *psy)
 					  &psy->charging_blink_full_solid_trig, &err);
 	power_supply_register_led_trigger(psy, "%s-charging-orange-full-green",
 					  &psy->charging_orange_full_green_trig, &err);
+	power_supply_register_led_trigger(psy, "%s-not-charging",
+					  &psy->not_charging_trig, &err);
 
 	return err;
 }
@@ -209,6 +215,7 @@ void power_supply_remove_triggers(struct power_supply *psy)
 	power_supply_unregister_led_trigger(psy->online_trig);
 	power_supply_unregister_led_trigger(psy->charging_or_full_trig);
 	power_supply_unregister_led_trigger(psy->charging_trig);
+	power_supply_unregister_led_trigger(psy->not_charging_trig);
 	power_supply_unregister_led_trigger(psy->full_trig);
 	power_supply_unregister_led_trigger(psy->charging_blink_full_solid_trig);
 	power_supply_unregister_led_trigger(psy->charging_orange_full_green_trig);
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 68b65682b14d..9052610e3910 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -349,6 +349,7 @@ struct power_supply {
 	struct led_trigger *charging_or_full_trig;
 	struct led_trigger *online_trig;
 	struct led_trigger *charging_trig;
+	struct led_trigger *not_charging_trig;
 	struct led_trigger *full_trig;
 	struct led_trigger *charging_blink_full_solid_trig;
 	struct led_trigger *charging_orange_full_green_trig;

-- 
2.54.0