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46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From b655892ffd6d89b0c7407e099c40dbde82ee3f03 Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Mon, 19 Jun 2023 22:47:00 +0200
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Subject: [PATCH 3/3] leds: trigger: netdev: expose hw_control status via sysfs
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Expose hw_control status via sysfs for the netdev trigger to give
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userspace better understanding of the current state of the trigger and
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the LED.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
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Acked-by: Lee Jones <lee@kernel.org>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/leds/trigger/ledtrig-netdev.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/drivers/leds/trigger/ledtrig-netdev.c
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+++ b/drivers/leds/trigger/ledtrig-netdev.c
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@@ -406,6 +406,16 @@ static ssize_t interval_store(struct dev
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static DEVICE_ATTR_RW(interval);
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+static ssize_t hw_control_show(struct device *dev,
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+ struct device_attribute *attr, char *buf)
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+{
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+ struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);
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+
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+ return sprintf(buf, "%d\n", trigger_data->hw_control);
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+}
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+
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+static DEVICE_ATTR_RO(hw_control);
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+
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static struct attribute *netdev_trig_attrs[] = {
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&dev_attr_device_name.attr,
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&dev_attr_link.attr,
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@@ -417,6 +427,7 @@ static struct attribute *netdev_trig_att
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&dev_attr_rx.attr,
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&dev_attr_tx.attr,
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&dev_attr_interval.attr,
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+ &dev_attr_hw_control.attr,
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NULL
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};
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ATTRIBUTE_GROUPS(netdev_trig);
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