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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 17:18:05 -04:00
Fixed MTP to work with TWRP
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commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
225
drivers/leds/leds-fsg.c
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225
drivers/leds/leds-fsg.c
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/*
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* LED Driver for the Freecom FSG-3
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*
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* Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
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*
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* Author: Rod Whitby <rod@whitby.id.au>
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*
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* Based on leds-spitz.c
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* Copyright 2005-2006 Openedhand Ltd.
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* Author: Richard Purdie <rpurdie@openedhand.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#define FSG_LED_WLAN_BIT 0
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#define FSG_LED_WAN_BIT 1
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#define FSG_LED_SATA_BIT 2
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#define FSG_LED_USB_BIT 4
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#define FSG_LED_RING_BIT 5
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#define FSG_LED_SYNC_BIT 7
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static short __iomem *latch_address;
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static unsigned short latch_value;
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static void fsg_led_wlan_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_WLAN_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_WLAN_BIT);
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*latch_address = latch_value;
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}
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}
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static void fsg_led_wan_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_WAN_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_WAN_BIT);
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*latch_address = latch_value;
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}
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}
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static void fsg_led_sata_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_SATA_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_SATA_BIT);
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*latch_address = latch_value;
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}
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}
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static void fsg_led_usb_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_USB_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_USB_BIT);
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*latch_address = latch_value;
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}
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}
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static void fsg_led_sync_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_SYNC_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_SYNC_BIT);
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*latch_address = latch_value;
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}
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}
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static void fsg_led_ring_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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if (value) {
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latch_value &= ~(1 << FSG_LED_RING_BIT);
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*latch_address = latch_value;
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} else {
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latch_value |= (1 << FSG_LED_RING_BIT);
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*latch_address = latch_value;
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}
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}
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static struct led_classdev fsg_wlan_led = {
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.name = "fsg:blue:wlan",
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.brightness_set = fsg_led_wlan_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev fsg_wan_led = {
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.name = "fsg:blue:wan",
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.brightness_set = fsg_led_wan_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev fsg_sata_led = {
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.name = "fsg:blue:sata",
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.brightness_set = fsg_led_sata_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev fsg_usb_led = {
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.name = "fsg:blue:usb",
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.brightness_set = fsg_led_usb_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev fsg_sync_led = {
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.name = "fsg:blue:sync",
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.brightness_set = fsg_led_sync_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev fsg_ring_led = {
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.name = "fsg:blue:ring",
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.brightness_set = fsg_led_ring_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static int fsg_led_probe(struct platform_device *pdev)
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{
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int ret;
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/* Map the LED chip select address space */
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latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
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IXP4XX_EXP_BUS_BASE(2), 512);
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if (!latch_address)
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return -ENOMEM;
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latch_value = 0xffff;
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*latch_address = latch_value;
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ret = led_classdev_register(&pdev->dev, &fsg_wlan_led);
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if (ret < 0)
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goto failwlan;
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ret = led_classdev_register(&pdev->dev, &fsg_wan_led);
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if (ret < 0)
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goto failwan;
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ret = led_classdev_register(&pdev->dev, &fsg_sata_led);
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if (ret < 0)
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goto failsata;
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ret = led_classdev_register(&pdev->dev, &fsg_usb_led);
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if (ret < 0)
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goto failusb;
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ret = led_classdev_register(&pdev->dev, &fsg_sync_led);
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if (ret < 0)
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goto failsync;
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ret = led_classdev_register(&pdev->dev, &fsg_ring_led);
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if (ret < 0)
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goto failring;
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return ret;
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failring:
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led_classdev_unregister(&fsg_sync_led);
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failsync:
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led_classdev_unregister(&fsg_usb_led);
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failusb:
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led_classdev_unregister(&fsg_sata_led);
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failsata:
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led_classdev_unregister(&fsg_wan_led);
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failwan:
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led_classdev_unregister(&fsg_wlan_led);
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failwlan:
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return ret;
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}
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static int fsg_led_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&fsg_wlan_led);
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led_classdev_unregister(&fsg_wan_led);
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led_classdev_unregister(&fsg_sata_led);
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led_classdev_unregister(&fsg_usb_led);
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led_classdev_unregister(&fsg_sync_led);
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led_classdev_unregister(&fsg_ring_led);
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return 0;
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}
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static struct platform_driver fsg_led_driver = {
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.probe = fsg_led_probe,
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.remove = fsg_led_remove,
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.driver = {
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.name = "fsg-led",
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},
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};
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module_platform_driver(fsg_led_driver);
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MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
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MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
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MODULE_LICENSE("GPL");
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