1 files changed, 0 insertions, 166 deletions

diff --git a/drivers/leds/ledtrig-backlight.c b/drivers/leds/ledtrig-backlight.c
deleted file mode 100644
index 027a2b15d7d8..000000000000
--- a/drivers/leds/ledtrig-backlight.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Backlight emulation LED trigger
- *
- * Copyright 2008 (C) Rodolfo Giometti <giometti@linux.it>
- * Copyright 2008 (C) Eurotech S.p.A. <info@eurotech.it>
- *
- * 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/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/fb.h>
-#include <linux/leds.h>
-#include "leds.h"
-
-#define BLANK		1
-#define UNBLANK		0
-
-struct bl_trig_notifier {
-	struct led_classdev *led;
-	int brightness;
-	int old_status;
-	struct notifier_block notifier;
-	unsigned invert;
-};
-
-static int fb_notifier_callback(struct notifier_block *p,
-				unsigned long event, void *data)
-{
-	struct bl_trig_notifier *n = container_of(p,
-					struct bl_trig_notifier, notifier);
-	struct led_classdev *led = n->led;
-	struct fb_event *fb_event = data;
-	int *blank = fb_event->data;
-	int new_status = *blank ? BLANK : UNBLANK;
-
-	switch (event) {
-	case FB_EVENT_BLANK:
-		if (new_status == n->old_status)
-			break;
-
-		if ((n->old_status == UNBLANK) ^ n->invert) {
-			n->brightness = led->brightness;
-			__led_set_brightness(led, LED_OFF);
-		} else {
-			__led_set_brightness(led, n->brightness);
-		}
-
-		n->old_status = new_status;
-
-		break;
-	}
-
-	return 0;
-}
-
-static ssize_t bl_trig_invert_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct led_classdev *led = dev_get_drvdata(dev);
-	struct bl_trig_notifier *n = led->trigger_data;
-
-	return sprintf(buf, "%u\n", n->invert);
-}
-
-static ssize_t bl_trig_invert_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t num)
-{
-	struct led_classdev *led = dev_get_drvdata(dev);
-	struct bl_trig_notifier *n = led->trigger_data;
-	unsigned long invert;
-	int ret;
-
-	ret = kstrtoul(buf, 10, &invert);
-	if (ret < 0)
-		return ret;
-
-	if (invert > 1)
-		return -EINVAL;
-
-	n->invert = invert;
-
-	/* After inverting, we need to update the LED. */
-	if ((n->old_status == BLANK) ^ n->invert)
-		__led_set_brightness(led, LED_OFF);
-	else
-		__led_set_brightness(led, n->brightness);
-
-	return num;
-}
-static DEVICE_ATTR(inverted, 0644, bl_trig_invert_show, bl_trig_invert_store);
-
-static void bl_trig_activate(struct led_classdev *led)
-{
-	int ret;
-
-	struct bl_trig_notifier *n;
-
-	n = kzalloc(sizeof(struct bl_trig_notifier), GFP_KERNEL);
-	led->trigger_data = n;
-	if (!n) {
-		dev_err(led->dev, "unable to allocate backlight trigger\n");
-		return;
-	}
-
-	ret = device_create_file(led->dev, &dev_attr_inverted);
-	if (ret)
-		goto err_invert;
-
-	n->led = led;
-	n->brightness = led->brightness;
-	n->old_status = UNBLANK;
-	n->notifier.notifier_call = fb_notifier_callback;
-
-	ret = fb_register_client(&n->notifier);
-	if (ret)
-		dev_err(led->dev, "unable to register backlight trigger\n");
-	led->activated = true;
-
-	return;
-
-err_invert:
-	led->trigger_data = NULL;
-	kfree(n);
-}
-
-static void bl_trig_deactivate(struct led_classdev *led)
-{
-	struct bl_trig_notifier *n =
-		(struct bl_trig_notifier *) led->trigger_data;
-
-	if (led->activated) {
-		device_remove_file(led->dev, &dev_attr_inverted);
-		fb_unregister_client(&n->notifier);
-		kfree(n);
-		led->activated = false;
-	}
-}
-
-static struct led_trigger bl_led_trigger = {
-	.name		= "backlight",
-	.activate	= bl_trig_activate,
-	.deactivate	= bl_trig_deactivate
-};
-
-static int __init bl_trig_init(void)
-{
-	return led_trigger_register(&bl_led_trigger);
-}
-
-static void __exit bl_trig_exit(void)
-{
-	led_trigger_unregister(&bl_led_trigger);
-}
-
-module_init(bl_trig_init);
-module_exit(bl_trig_exit);
-
-MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
-MODULE_DESCRIPTION("Backlight emulation LED trigger");
-MODULE_LICENSE("GPL v2");