mirror of https://github.com/hak5/openwrt-owl.git
Florian Fainelli
parent
f0e08dea14
commit
5c69bcd309
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@ -0,0 +1,116 @@
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/*
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* LED driver for MTX-1 boards
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*
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* Copyright 2007 Florian Fainelli <florian@openwrt.org>
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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/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/err.h>
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#include <asm/mach-au1x00/au1000.h>
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static struct platform_device *pdev;
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static void mtx1_green_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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{
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/* The power LED cannot be controlled the same way as for the Status LED */
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if (brightness) {
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au_writel( 0x18000800, GPIO2_OUTPUT );
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} else {
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au_writel( 0x18000000, GPIO2_OUTPUT);
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}
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}
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static void mtx1_red_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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{
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/* We store GPIO address (originally address - 200) in the "flags" field*/
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unsigned long pinmask = 1 << led_cdev->flags;
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if (brightness) {
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au_writel((pinmask << 16) | pinmask, GPIO2_OUTPUT);
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} else {
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au_writel((pinmask << 16) | 0, GPIO2_OUTPUT);
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}
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}
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static struct led_classdev mtx1_green_led = {
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.name = "mtx1:green",
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.brightness_set = mtx1_green_led_set,
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};
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static struct led_classdev mtx1_red_led = {
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.name = "mtx1:red",
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.flags = 12,
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.brightness_set = mtx1_red_led_set,
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.default_trigger = "ide-disk",
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};
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static int mtx1_leds_probe(struct platform_device *pdev)
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{
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int ret;
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ret = led_classdev_register(&pdev->dev, &mtx1_green_led);
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if (ret < 0)
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goto out;
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ret = led_classdev_register(&pdev->dev, &mtx1_red_led);
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if (ret < 0)
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led_classdev_unregister(&mtx1_green_led);
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out:
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return ret;
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}
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static int mtx1_leds_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&mtx1_green_led);
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led_classdev_unregister(&mtx1_red_led);
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return 0;
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}
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static struct platform_driver mtx1_leds_driver = {
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.probe = mtx1_leds_probe,
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.remove = mtx1_leds_remove,
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.driver = {
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.name = "mtx1-leds",
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}
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};
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static int __init mtx1_leds_init(void)
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{
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int ret;
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ret = platform_driver_register(&mtx1_leds_driver);
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if (ret < 0)
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goto out;
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pdev = platform_device_register_simple("mtx1-leds", -1, NULL, 0);
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if (IS_ERR(pdev)) {
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ret = PTR_ERR(pdev);
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platform_driver_unregister(&mtx1_leds_driver);
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goto out;
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}
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out:
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return ret;
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}
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static void __exit mtx1_leds_exit(void)
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{
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platform_device_unregister(pdev);
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platform_driver_unregister(&mtx1_leds_driver);
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}
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module_init(mtx1_leds_init);
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module_exit(mtx1_leds_exit);
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MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
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MODULE_DESCRIPTION("MTX-1 LED driver");
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MODULE_LICENSE("GPL");
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@ -26,123 +26,3 @@ diff -urN linux-2.6.19.2/drivers/leds/Makefile linux-2.6.19.2.new/drivers/leds/M
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# LED Triggers
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obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
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diff -urN linux-2.6.19.2/drivers/leds/leds-mtx1.c linux-2.6.19.2.new/drivers/leds/leds-mtx1.c
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--- linux-2.6.19.2/drivers/leds/leds-mtx1.c 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.19.2.new/drivers/leds/leds-mtx1.c 2007-03-02 13:49:08.000000000 +0100
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@@ -0,0 +1,116 @@
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+/*
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+ * LED driver for MTX-1 boards
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+ *
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+ * Copyright 2007 Florian Fainelli <florian@openwrt.org>
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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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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+#include <linux/leds.h>
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+#include <linux/err.h>
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+#include <asm/mach-au1x00/au1000.h>
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+
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+static struct platform_device *pdev;
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+
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+static void mtx1_green_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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+{
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+ /* The power LED cannot be controlled the same way as for the Status LED */
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+ if (brightness) {
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+ au_writel( 0x18000800, GPIO2_OUTPUT );
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+ } else {
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+ au_writel( 0x18000000, GPIO2_OUTPUT);
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+ }
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+}
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+
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+static void mtx1_red_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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+{
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+ /* We store GPIO address (originally address - 200) in the "flags" field*/
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+ unsigned long pinmask = 1 << led_cdev->flags;
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+ if (brightness) {
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+ au_writel((pinmask << 16) | pinmask, GPIO2_OUTPUT);
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+ } else {
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+ au_writel((pinmask << 16) | 0, GPIO2_OUTPUT);
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+ }
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+}
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+
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+static struct led_classdev mtx1_green_led = {
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+ .name = "mtx1:green",
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+ .brightness_set = mtx1_green_led_set,
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+};
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+
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+static struct led_classdev mtx1_red_led = {
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+ .name = "mtx1:red",
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+ .flags = 12,
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+ .brightness_set = mtx1_red_led_set,
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+ .default_trigger = "ide-disk",
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+};
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+
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+static int mtx1_leds_probe(struct platform_device *pdev)
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+{
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+ int ret;
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+
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+ ret = led_classdev_register(&pdev->dev, &mtx1_green_led);
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+ if (ret < 0)
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+ goto out;
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+
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+ ret = led_classdev_register(&pdev->dev, &mtx1_red_led);
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+ if (ret < 0)
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+ led_classdev_unregister(&mtx1_green_led);
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+
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+out:
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+ return ret;
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+}
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+
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+static int mtx1_leds_remove(struct platform_device *pdev)
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+{
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+ led_classdev_unregister(&mtx1_green_led);
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+ led_classdev_unregister(&mtx1_red_led);
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+ return 0;
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+}
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+
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+static struct platform_driver mtx1_leds_driver = {
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+ .probe = mtx1_leds_probe,
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+ .remove = mtx1_leds_remove,
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+ .driver = {
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+ .name = "mtx1-leds",
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+ }
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+};
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+
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+static int __init mtx1_leds_init(void)
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+{
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+ int ret;
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+
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+ ret = platform_driver_register(&mtx1_leds_driver);
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+ if (ret < 0)
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+ goto out;
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+
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+ pdev = platform_device_register_simple("mtx1-leds", -1, NULL, 0);
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+ if (IS_ERR(pdev)) {
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+ ret = PTR_ERR(pdev);
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+ platform_driver_unregister(&mtx1_leds_driver);
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+ goto out;
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+ }
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+
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+out:
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+ return ret;
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+
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+}
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+
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+static void __exit mtx1_leds_exit(void)
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+{
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+ platform_device_unregister(pdev);
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+ platform_driver_unregister(&mtx1_leds_driver);
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+}
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+
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+module_init(mtx1_leds_init);
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+module_exit(mtx1_leds_exit);
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+
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+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
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+MODULE_DESCRIPTION("MTX-1 LED driver");
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+MODULE_LICENSE("GPL");
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