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- From 0316cc5629d15880dd3f097d221c55ca648bcd61 Mon Sep 17 00:00:00 2001
- From: Christian Marangi <[email protected]>
- Date: Mon, 29 May 2023 18:32:40 +0200
- Subject: [PATCH 10/13] leds: trigger: netdev: init mode if hw control already
- active
- On netdev trigger activation, hw control may be already active by
- default. If this is the case and a device is actually provided by
- hw_control_get_device(), init the already active mode and set the
- bool to hw_control bool to true to reflect the already set mode in the
- trigger_data.
- Co-developed-by: Andrew Lunn <[email protected]>
- Signed-off-by: Andrew Lunn <[email protected]>
- Signed-off-by: Christian Marangi <[email protected]>
- Signed-off-by: David S. Miller <[email protected]>
- ---
- drivers/leds/trigger/ledtrig-netdev.c | 17 +++++++++++++++++
- 1 file changed, 17 insertions(+)
- --- a/drivers/leds/trigger/ledtrig-netdev.c
- +++ b/drivers/leds/trigger/ledtrig-netdev.c
- @@ -454,6 +454,8 @@ static void netdev_trig_work(struct work
- static int netdev_trig_activate(struct led_classdev *led_cdev)
- {
- struct led_netdev_data *trigger_data;
- + unsigned long mode;
- + struct device *dev;
- int rc;
-
- trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
- @@ -475,6 +477,21 @@ static int netdev_trig_activate(struct l
- atomic_set(&trigger_data->interval, msecs_to_jiffies(NETDEV_LED_DEFAULT_INTERVAL));
- trigger_data->last_activity = 0;
-
- + /* Check if hw control is active by default on the LED.
- + * Init already enabled mode in hw control.
- + */
- + if (supports_hw_control(led_cdev) &&
- + !led_cdev->hw_control_get(led_cdev, &mode)) {
- + dev = led_cdev->hw_control_get_device(led_cdev);
- + if (dev) {
- + const char *name = dev_name(dev);
- +
- + set_device_name(trigger_data, name, strlen(name));
- + trigger_data->hw_control = true;
- + trigger_data->mode = mode;
- + }
- + }
- +
- led_set_trigger_data(led_cdev, trigger_data);
-
- rc = register_netdevice_notifier(&trigger_data->notifier);
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