kernel/linux.git/net/bluetooth/leds.c, branch linux-4.20.y

leds: triggers: let struct led_trigger::activate() return an error code

2018-07-05T21:21:10+00:00

Given that activating a trigger can fail, let the callback return an indication. This prevents to have a trigger active according to the "trigger" sysfs attribute but not functional. All users are changed accordingly to return 0 for now. There is no intended change in behaviour. Signed-off-by: Uwe Kleine-König Acked-by: Pavel Machek Signed-off-by: Jacek Anaszewski

Bluetooth: Add combined LED trigger for controller power

2016-09-19T18:19:34+00:00

Instead of just having a LED trigger for power on a specific controller, this adds the LED trigger "bluetooth-power" that combines the power states of all controllers into a single trigger. This simplifies the trigger selection and also supports multiple controllers per host system via a single LED. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg

Bluetooth: Use managed version of led_trigger_register in LED trigger

2016-02-23T19:29:36+00:00

Recently a managed version of led_trigger_register was introduced. Using devm_led_trigger_register allows to simplify the LED trigger code. Signed-off-by: Heiner Kallweit Signed-off-by: Marcel Holtmann

Bluetooth: add LED trigger for indicating HCI is powered up

2016-02-23T19:29:35+00:00

Add support for LED triggers to the Bluetooth subsystem and add kernel config symbol BT_LEDS for it. For now one trigger for indicating "HCI is powered up" is supported. Signed-off-by: Heiner Kallweit Signed-off-by: Marcel Holtmann