domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c Normal file
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/*
* USB LED driver for the NETGEAR WNDR3700
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>
#define DRIVER_NAME "wndr3700-led-usb"
static void wndr3700_usb_led_set(struct led_classdev *cdev,
enum led_brightness brightness)
{
if (brightness)
ath79_device_reset_clear(AR71XX_RESET_GE1_PHY);
else
ath79_device_reset_set(AR71XX_RESET_GE1_PHY);
}
static enum led_brightness wndr3700_usb_led_get(struct led_classdev *cdev)
{
return ath79_device_reset_get(AR71XX_RESET_GE1_PHY) ? LED_OFF : LED_FULL;
}
static struct led_classdev wndr3700_usb_led = {
.name = "netgear:green:usb",
.brightness_set = wndr3700_usb_led_set,
.brightness_get = wndr3700_usb_led_get,
};
static int wndr3700_usb_led_probe(struct platform_device *pdev)
{
return led_classdev_register(&pdev->dev, &wndr3700_usb_led);
}
static int wndr3700_usb_led_remove(struct platform_device *pdev)
{
led_classdev_unregister(&wndr3700_usb_led);
return 0;
}
static struct platform_driver wndr3700_usb_led_driver = {
.probe = wndr3700_usb_led_probe,
.remove = wndr3700_usb_led_remove,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
};
static int __init wndr3700_usb_led_init(void)
{
return platform_driver_register(&wndr3700_usb_led_driver);
}
static void __exit wndr3700_usb_led_exit(void)
{
platform_driver_unregister(&wndr3700_usb_led_driver);
}
module_init(wndr3700_usb_led_init);
module_exit(wndr3700_usb_led_exit);
MODULE_DESCRIPTION("USB LED driver for the NETGEAR WNDR3700");
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRIVER_NAME);