target/linux/generic/backport-6.1/805-v6.5-03-leds-trigger-netdev-expose-hw_control-status-via-sys.patch

   1 From b655892ffd6d89b0c7407e099c40dbde82ee3f03 Mon Sep 17 00:00:00 2001
   2 From: Christian Marangi <ansuelsmth@gmail.com>
   3 Date: Mon, 19 Jun 2023 22:47:00 +0200
   4 Subject: [PATCH 3/3] leds: trigger: netdev: expose hw_control status via sysfs
   5
   6 Expose hw_control status via sysfs for the netdev trigger to give
   7 userspace better understanding of the current state of the trigger and
   8 the LED.
   9
  10 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
  11 Reviewed-by: Andrew Lunn <andrew@lunn.ch>
  12 Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
  13 Acked-by: Lee Jones <lee@kernel.org>
  14 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  15 ---
  16  drivers/leds/trigger/ledtrig-netdev.c | 11 +++++++++++
  17  1 file changed, 11 insertions(+)
  18
  19 --- a/drivers/leds/trigger/ledtrig-netdev.c
  20 +++ b/drivers/leds/trigger/ledtrig-netdev.c
  21 @@ -406,6 +406,16 @@ static ssize_t interval_store(struct dev
  22
  23  static DEVICE_ATTR_RW(interval);
  24
  25 +static ssize_t hw_control_show(struct device *dev,
  26 +                              struct device_attribute *attr, char *buf)
  27 +{
  28 +       struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);
  29 +
  30 +       return sprintf(buf, "%d\n", trigger_data->hw_control);
  31 +}
  32 +
  33 +static DEVICE_ATTR_RO(hw_control);
  34 +
  35  static struct attribute *netdev_trig_attrs[] = {
  36         &dev_attr_device_name.attr,
  37         &dev_attr_link.attr,
  38 @@ -417,6 +427,7 @@ static struct attribute *netdev_trig_att
  39         &dev_attr_rx.attr,
  40         &dev_attr_tx.attr,
  41         &dev_attr_interval.attr,
  42 +       &dev_attr_hw_control.attr,
  43         NULL
  44  };
  45  ATTRIBUTE_GROUPS(netdev_trig);