diff --git a/Documentation/ABI/testing/sysfs-class-led b/Documentation/ABI/testing/sysfs-class-led index 123e3a15b7d6..ea113fed10ef 100644 --- a/Documentation/ABI/testing/sysfs-class-led +++ b/Documentation/ABI/testing/sysfs-class-led @@ -101,6 +101,9 @@ Description: - `[foo_trigger]`: the trigger is selected and offloaded to hardware. + The "netdev" trigger also provides a custom attribute to + indicate its state, see `/sys/class/leds//offloaded`. + What: /sys/class/leds//inverted Date: January 2011 KernelVersion: 2.6.38 diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev index ed46b37ab8a2..203ea58396ed 100644 --- a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev @@ -75,6 +75,9 @@ Description: If 1, the LED blinking in requested mode is offloaded to hardware. + LED trigger core also provides a generic attribute for this + purpose, see `/sys/class/leds//trigger_may_offload_to_hw`. + What: /sys/class/leds//link_10 Date: Jun 2023 KernelVersion: 6.5 diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index 7e43fa30130c..5b0132484594 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -795,10 +795,18 @@ static void netdev_trig_deactivate(struct led_classdev *led_cdev) kfree(trigger_data); } +static bool netdev_trig_hw_offloaded(struct led_classdev *led_cdev) +{ + struct led_netdev_data *trigger_data = led_get_trigger_data(led_cdev); + + return trigger_data->hw_control; +} + static struct led_trigger netdev_led_trigger = { .name = "netdev", .activate = netdev_trig_activate, .deactivate = netdev_trig_deactivate, + .hw_offloaded = netdev_trig_hw_offloaded, .groups = netdev_trig_groups, };