Expose hw_control status via sysfs for the netdev trigger to give
userspace better understanding of the current state of the trigger and
the LED.
Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
---
drivers/leds/trigger/ledtrig-netdev.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 90b682d49998..a550a1895642 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -406,6 +406,16 @@ static ssize_t interval_store(struct device *dev,
static DEVICE_ATTR_RW(interval);
+static ssize_t hw_control_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", trigger_data->hw_control);
+}
+
+static DEVICE_ATTR_RO(hw_control);
+
static struct attribute *netdev_trig_attrs[] = {
&dev_attr_device_name.attr,
&dev_attr_link.attr,
@@ -417,6 +427,7 @@ static struct attribute *netdev_trig_attrs[] = {
&dev_attr_rx.attr,
&dev_attr_tx.attr,
&dev_attr_interval.attr,
+ &dev_attr_hw_control.attr,
NULL
};
ATTRIBUTE_GROUPS(netdev_trig);
--
2.40.1
