diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers')
-rw-r--r-- | target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c b/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c new file mode 100644 index 000000000..9f178611d --- /dev/null +++ b/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c @@ -0,0 +1,75 @@ +/* + * 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-ar71xx/ar71xx.h> + +#define DRIVER_NAME "wndr3700-led-usb" + +static void wndr3700_usb_led_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + if (brightness) + ar71xx_device_start(RESET_MODULE_GE1_PHY); + else + ar71xx_device_stop(RESET_MODULE_GE1_PHY); +} + +static enum led_brightness wndr3700_usb_led_get(struct led_classdev *cdev) +{ + return ar71xx_device_stopped(RESET_MODULE_GE1_PHY) ? LED_OFF : LED_FULL; +} + +static struct led_classdev wndr3700_usb_led = { + .name = "wndr3700:green:usb", + .brightness_set = wndr3700_usb_led_set, + .brightness_get = wndr3700_usb_led_get, +}; + +static int __devinit wndr3700_usb_led_probe(struct platform_device *pdev) +{ + return led_classdev_register(&pdev->dev, &wndr3700_usb_led); +} + +static int __devexit 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 = __devexit_p(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); |