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authorChristian Marangi <ansuelsmth@gmail.com>2023-06-19 23:47:00 +0300
committerJakub Kicinski <kuba@kernel.org>2023-06-22 00:30:46 +0300
commitb655892ffd6d89b0c7407e099c40dbde82ee3f03 (patch)
tree01a6f7dd41dd92aaaf913e04ee90dfff43815587 /drivers/leds/trigger/ledtrig-netdev.c
parentf22f95b9ff1551c9bab13104131929f33d51f23f (diff)
downloadlinux-b655892ffd6d89b0c7407e099c40dbde82ee3f03.tar.xz
leds: trigger: netdev: expose hw_control status via sysfs
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@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Acked-by: Lee Jones <lee@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/leds/trigger/ledtrig-netdev.c')
-rw-r--r--drivers/leds/trigger/ledtrig-netdev.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 2c1c9e95860e..32b66703068a 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);