From 6501f728c56f831626d52b236023e556bca37f51 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Fri, 7 Jan 2011 18:28:17 +0200 Subject: power_supply: Add new LED trigger charging-blink-solid-full Add new trigger to power_supply LEDs. It will blink when battery is charging, and stay solid when battery is charged. It's usefull to indicate battery state when there's only one LED available. Signed-off-by: Vasily Khoruzhick Signed-off-by: Anton Vorontsov --- drivers/power/power_supply_leds.c | 19 +++++++++++++++++++ include/linux/power_supply.h | 2 ++ 2 files changed, 21 insertions(+) diff --git a/drivers/power/power_supply_leds.c b/drivers/power/power_supply_leds.c index 031a554..da25eb9 100644 --- a/drivers/power/power_supply_leds.c +++ b/drivers/power/power_supply_leds.c @@ -21,6 +21,8 @@ static void power_supply_update_bat_leds(struct power_supply *psy) { union power_supply_propval status; + unsigned long delay_on = 0; + unsigned long delay_off = 0; if (psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &status)) return; @@ -32,16 +34,22 @@ static void power_supply_update_bat_leds(struct power_supply *psy) led_trigger_event(psy->charging_full_trig, LED_FULL); led_trigger_event(psy->charging_trig, LED_OFF); led_trigger_event(psy->full_trig, LED_FULL); + led_trigger_event(psy->charging_blink_full_solid_trig, + LED_FULL); break; case POWER_SUPPLY_STATUS_CHARGING: led_trigger_event(psy->charging_full_trig, LED_FULL); led_trigger_event(psy->charging_trig, LED_FULL); led_trigger_event(psy->full_trig, LED_OFF); + led_trigger_blink(psy->charging_blink_full_solid_trig, + &delay_on, &delay_off); break; default: led_trigger_event(psy->charging_full_trig, LED_OFF); led_trigger_event(psy->charging_trig, LED_OFF); led_trigger_event(psy->full_trig, LED_OFF); + led_trigger_event(psy->charging_blink_full_solid_trig, + LED_OFF); break; } } @@ -64,15 +72,24 @@ static int power_supply_create_bat_triggers(struct power_supply *psy) if (!psy->full_trig_name) goto full_failed; + psy->charging_blink_full_solid_trig_name = kasprintf(GFP_KERNEL, + "%s-charging-blink-full-solid", psy->name); + if (!psy->charging_blink_full_solid_trig_name) + goto charging_blink_full_solid_failed; + led_trigger_register_simple(psy->charging_full_trig_name, &psy->charging_full_trig); led_trigger_register_simple(psy->charging_trig_name, &psy->charging_trig); led_trigger_register_simple(psy->full_trig_name, &psy->full_trig); + led_trigger_register_simple(psy->charging_blink_full_solid_trig_name, + &psy->charging_blink_full_solid_trig); goto success; +charging_blink_full_solid_failed: + kfree(psy->full_trig_name); full_failed: kfree(psy->charging_trig_name); charging_failed: @@ -88,6 +105,8 @@ static void power_supply_remove_bat_triggers(struct power_supply *psy) led_trigger_unregister_simple(psy->charging_full_trig); led_trigger_unregister_simple(psy->charging_trig); led_trigger_unregister_simple(psy->full_trig); + led_trigger_unregister_simple(psy->charging_blink_full_solid_trig); + kfree(psy->charging_blink_full_solid_trig_name); kfree(psy->full_trig_name); kfree(psy->charging_trig_name); kfree(psy->charging_full_trig_name); diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e3419fc..20f23fe 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -173,6 +173,8 @@ struct power_supply { char *full_trig_name; struct led_trigger *online_trig; char *online_trig_name; + struct led_trigger *charging_blink_full_solid_trig; + char *charging_blink_full_solid_trig_name; #endif }; -- cgit v1.1