1 files changed, 0 insertions, 401 deletions
diff --git a/ANDROID_3.4.5/drivers/video/backlight/backlight.c b/ANDROID_3.4.5/drivers/video/backlight/backlight.c
deleted file mode 100644
index bf5b1ece..00000000
--- a/ANDROID_3.4.5/drivers/video/backlight/backlight.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/*
- * Backlight Lowlevel Control Abstraction
- *
- * Copyright (C) 2003,2004 Hewlett-Packard Company
- *
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/backlight.h>
-#include <linux/notifier.h>
-#include <linux/ctype.h>
-#include <linux/err.h>
-#include <linux/fb.h>
-#include <linux/slab.h>
-
-#ifdef CONFIG_PMAC_BACKLIGHT
-#include <asm/backlight.h>
-#endif
-
-static const char *const backlight_types[] = {
-	[BACKLIGHT_RAW] = "raw",
-	[BACKLIGHT_PLATFORM] = "platform",
-	[BACKLIGHT_FIRMWARE] = "firmware",
-};
-
-#if defined(CONFIG_FB) || (defined(CONFIG_FB_MODULE) && \
-			   defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE))
-/* This callback gets called when something important happens inside a
- * framebuffer driver. We're looking if that important event is blanking,
- * and if it is, we're switching backlight power as well ...
- */
-static int fb_notifier_callback(struct notifier_block *self,
-				unsigned long event, void *data)
-{
-	struct backlight_device *bd;
-	struct fb_event *evdata = data;
-
-	/* If we aren't interested in this event, skip it immediately ... */
-	if (event != FB_EVENT_BLANK && event != FB_EVENT_CONBLANK)
-		return 0;
-
-	bd = container_of(self, struct backlight_device, fb_notif);
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops)
-		if (!bd->ops->check_fb ||
-		    bd->ops->check_fb(bd, evdata->info)) {
-			bd->props.fb_blank = *(int *)evdata->data;
-			if (bd->props.fb_blank == FB_BLANK_UNBLANK)
-				bd->props.state &= ~BL_CORE_FBBLANK;
-			else
-				bd->props.state |= BL_CORE_FBBLANK;
-			backlight_update_status(bd);
-		}
-	mutex_unlock(&bd->ops_lock);
-	return 0;
-}
-
-static int backlight_register_fb(struct backlight_device *bd)
-{
-	memset(&bd->fb_notif, 0, sizeof(bd->fb_notif));
-	bd->fb_notif.notifier_call = fb_notifier_callback;
-
-	return fb_register_client(&bd->fb_notif);
-}
-
-static void backlight_unregister_fb(struct backlight_device *bd)
-{
-	fb_unregister_client(&bd->fb_notif);
-}
-#else
-static inline int backlight_register_fb(struct backlight_device *bd)
-{
-	return 0;
-}
-
-static inline void backlight_unregister_fb(struct backlight_device *bd)
-{
-}
-#endif /* CONFIG_FB */
-
-static void backlight_generate_event(struct backlight_device *bd,
-				     enum backlight_update_reason reason)
-{
-	char *envp[2];
-
-	switch (reason) {
-	case BACKLIGHT_UPDATE_SYSFS:
-		envp[0] = "SOURCE=sysfs";
-		break;
-	case BACKLIGHT_UPDATE_HOTKEY:
-		envp[0] = "SOURCE=hotkey";
-		break;
-	default:
-		envp[0] = "SOURCE=unknown";
-		break;
-	}
-	envp[1] = NULL;
-	kobject_uevent_env(&bd->dev.kobj, KOBJ_CHANGE, envp);
-	sysfs_notify(&bd->dev.kobj, NULL, "actual_brightness");
-}
-
-static ssize_t backlight_show_power(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	return sprintf(buf, "%d\n", bd->props.power);
-}
-
-static ssize_t backlight_store_power(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int rc;
-	struct backlight_device *bd = to_backlight_device(dev);
-	unsigned long power;
-
-	rc = kstrtoul(buf, 0, &power);
-	if (rc)
-		return rc;
-
-	rc = -ENXIO;
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops) {
-		pr_debug("backlight: set power to %lu\n", power);
-		if (bd->props.power != power) {
-			bd->props.power = power;
-			backlight_update_status(bd);
-		}
-		rc = count;
-	}
-	mutex_unlock(&bd->ops_lock);
-
-	return rc;
-}
-
-static ssize_t backlight_show_brightness(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	return sprintf(buf, "%d\n", bd->props.brightness);
-}
-
-static ssize_t backlight_store_brightness(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int rc;
-	struct backlight_device *bd = to_backlight_device(dev);
-	unsigned long brightness;
-
-	rc = kstrtoul(buf, 0, &brightness);
-	if (rc)
-		return rc;
-
-	rc = -ENXIO;
-
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops) {
-		if (brightness > bd->props.max_brightness)
-			rc = -EINVAL;
-		else {
-			pr_debug("backlight: set brightness to %lu\n",
-				 brightness);
-			bd->props.brightness = brightness;
-			backlight_update_status(bd);
-			rc = count;
-		}
-	}
-	mutex_unlock(&bd->ops_lock);
-
-	backlight_generate_event(bd, BACKLIGHT_UPDATE_SYSFS);
-
-	return rc;
-}
-
-static ssize_t backlight_show_type(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	return sprintf(buf, "%s\n", backlight_types[bd->props.type]);
-}
-
-static ssize_t backlight_show_max_brightness(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	return sprintf(buf, "%d\n", bd->props.max_brightness);
-}
-
-static ssize_t backlight_show_actual_brightness(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	int rc = -ENXIO;
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops && bd->ops->get_brightness)
-		rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd));
-	mutex_unlock(&bd->ops_lock);
-
-	return rc;
-}
-
-static struct class *backlight_class;
-
-static int backlight_suspend(struct device *dev, pm_message_t state)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) {
-		bd->props.state |= BL_CORE_SUSPENDED;
-		backlight_update_status(bd);
-	}
-	mutex_unlock(&bd->ops_lock);
-
-	return 0;
-}
-
-static int backlight_resume(struct device *dev)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) {
-		bd->props.state &= ~BL_CORE_SUSPENDED;
-		backlight_update_status(bd);
-	}
-	mutex_unlock(&bd->ops_lock);
-
-	return 0;
-}
-
-static void bl_device_release(struct device *dev)
-{
-	struct backlight_device *bd = to_backlight_device(dev);
-	kfree(bd);
-}
-
-static struct device_attribute bl_device_attributes[] = {
-	__ATTR(bl_power, 0644, backlight_show_power, backlight_store_power),
-	__ATTR(brightness, 0644, backlight_show_brightness,
-		     backlight_store_brightness),
-	__ATTR(actual_brightness, 0444, backlight_show_actual_brightness,
-		     NULL),
-	__ATTR(max_brightness, 0444, backlight_show_max_brightness, NULL),
-	__ATTR(type, 0444, backlight_show_type, NULL),
-	__ATTR_NULL,
-};
-
-/**
- * backlight_force_update - tell the backlight subsystem that hardware state
- *   has changed
- * @bd: the backlight device to update
- *
- * Updates the internal state of the backlight in response to a hardware event,
- * and generate a uevent to notify userspace
- */
-void backlight_force_update(struct backlight_device *bd,
-			    enum backlight_update_reason reason)
-{
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops && bd->ops->get_brightness)
-		bd->props.brightness = bd->ops->get_brightness(bd);
-	mutex_unlock(&bd->ops_lock);
-	backlight_generate_event(bd, reason);
-}
-EXPORT_SYMBOL(backlight_force_update);
-
-/**
- * backlight_device_register - create and register a new object of
- *   backlight_device class.
- * @name: the name of the new object(must be the same as the name of the
- *   respective framebuffer device).
- * @parent: a pointer to the parent device
- * @devdata: an optional pointer to be stored for private driver use. The
- *   methods may retrieve it by using bl_get_data(bd).
- * @ops: the backlight operations structure.
- *
- * Creates and registers new backlight device. Returns either an
- * ERR_PTR() or a pointer to the newly allocated device.
- */
-struct backlight_device *backlight_device_register(const char *name,
-	struct device *parent, void *devdata, const struct backlight_ops *ops,
-	const struct backlight_properties *props)
-{
-	struct backlight_device *new_bd;
-	int rc;
-
-	pr_debug("backlight_device_register: name=%s\n", name);
-
-	new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL);
-	if (!new_bd)
-		return ERR_PTR(-ENOMEM);
-
-	mutex_init(&new_bd->update_lock);
-	mutex_init(&new_bd->ops_lock);
-
-	new_bd->dev.class = backlight_class;
-	new_bd->dev.parent = parent;
-	new_bd->dev.release = bl_device_release;
-	dev_set_name(&new_bd->dev, name);
-	dev_set_drvdata(&new_bd->dev, devdata);
-
-	/* Set default properties */
-	if (props) {
-		memcpy(&new_bd->props, props,
-		       sizeof(struct backlight_properties));
-		if (props->type <= 0 || props->type >= BACKLIGHT_TYPE_MAX) {
-			WARN(1, "%s: invalid backlight type", name);
-			new_bd->props.type = BACKLIGHT_RAW;
-		}
-	} else {
-		new_bd->props.type = BACKLIGHT_RAW;
-	}
-
-	rc = device_register(&new_bd->dev);
-	if (rc) {
-		kfree(new_bd);
-		return ERR_PTR(rc);
-	}
-
-	rc = backlight_register_fb(new_bd);
-	if (rc) {
-		device_unregister(&new_bd->dev);
-		return ERR_PTR(rc);
-	}
-
-	new_bd->ops = ops;
-
-#ifdef CONFIG_PMAC_BACKLIGHT
-	mutex_lock(&pmac_backlight_mutex);
-	if (!pmac_backlight)
-		pmac_backlight = new_bd;
-	mutex_unlock(&pmac_backlight_mutex);
-#endif
-
-	return new_bd;
-}
-EXPORT_SYMBOL(backlight_device_register);
-
-/**
- * backlight_device_unregister - unregisters a backlight device object.
- * @bd: the backlight device object to be unregistered and freed.
- *
- * Unregisters a previously registered via backlight_device_register object.
- */
-void backlight_device_unregister(struct backlight_device *bd)
-{
-	if (!bd)
-		return;
-
-#ifdef CONFIG_PMAC_BACKLIGHT
-	mutex_lock(&pmac_backlight_mutex);
-	if (pmac_backlight == bd)
-		pmac_backlight = NULL;
-	mutex_unlock(&pmac_backlight_mutex);
-#endif
-	mutex_lock(&bd->ops_lock);
-	bd->ops = NULL;
-	mutex_unlock(&bd->ops_lock);
-
-	backlight_unregister_fb(bd);
-	device_unregister(&bd->dev);
-}
-EXPORT_SYMBOL(backlight_device_unregister);
-
-static void __exit backlight_class_exit(void)
-{
-	class_destroy(backlight_class);
-}
-
-static int __init backlight_class_init(void)
-{
-	backlight_class = class_create(THIS_MODULE, "backlight");
-	if (IS_ERR(backlight_class)) {
-		printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n",
-				PTR_ERR(backlight_class));
-		return PTR_ERR(backlight_class);
-	}
-
-	backlight_class->dev_attrs = bl_device_attributes;
-	backlight_class->suspend = backlight_suspend;
-	backlight_class->resume = backlight_resume;
-	return 0;
-}
-
-/*
- * if this is compiled into the kernel, we need to ensure that the
- * class is registered before users of the class try to register lcd's
- */
-postcore_initcall(backlight_class_init);
-module_exit(backlight_class_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jamey Hicks <jamey.hicks@hp.com>, Andrew Zabolotny <zap@homelink.ru>");
-MODULE_DESCRIPTION("Backlight Lowlevel Control Abstraction");