1 files changed, 0 insertions, 331 deletions

diff --git a/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c
deleted file mode 100644
index 72a0e0c9..00000000
--- a/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * TI LP855x Backlight Driver
- *
- *			Copyright (C) 2011 Texas Instruments
- *
- * 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/slab.h>
-#include <linux/i2c.h>
-#include <linux/backlight.h>
-#include <linux/err.h>
-#include <linux/lp855x.h>
-
-/* Registers */
-#define BRIGHTNESS_CTRL		(0x00)
-#define DEVICE_CTRL		(0x01)
-
-#define BUF_SIZE		20
-#define DEFAULT_BL_NAME		"lcd-backlight"
-#define MAX_BRIGHTNESS		255
-
-struct lp855x {
-	const char *chipname;
-	enum lp855x_chip_id chip_id;
-	struct i2c_client *client;
-	struct backlight_device *bl;
-	struct device *dev;
-	struct mutex xfer_lock;
-	struct lp855x_platform_data *pdata;
-};
-
-static int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data)
-{
-	int ret;
-
-	mutex_lock(&lp->xfer_lock);
-	ret = i2c_smbus_read_byte_data(lp->client, reg);
-	if (ret < 0) {
-		mutex_unlock(&lp->xfer_lock);
-		dev_err(lp->dev, "failed to read 0x%.2x\n", reg);
-		return ret;
-	}
-	mutex_unlock(&lp->xfer_lock);
-
-	*data = (u8)ret;
-	return 0;
-}
-
-static int lp855x_write_byte(struct lp855x *lp, u8 reg, u8 data)
-{
-	int ret;
-
-	mutex_lock(&lp->xfer_lock);
-	ret = i2c_smbus_write_byte_data(lp->client, reg, data);
-	mutex_unlock(&lp->xfer_lock);
-
-	return ret;
-}
-
-static bool lp855x_is_valid_rom_area(struct lp855x *lp, u8 addr)
-{
-	u8 start, end;
-
-	switch (lp->chip_id) {
-	case LP8550:
-	case LP8551:
-	case LP8552:
-	case LP8553:
-		start = EEPROM_START;
-		end = EEPROM_END;
-		break;
-	case LP8556:
-		start = EPROM_START;
-		end = EPROM_END;
-		break;
-	default:
-		return false;
-	}
-
-	return (addr >= start && addr <= end);
-}
-
-static int lp855x_init_registers(struct lp855x *lp)
-{
-	u8 val, addr;
-	int i, ret;
-	struct lp855x_platform_data *pd = lp->pdata;
-
-	val = pd->initial_brightness;
-	ret = lp855x_write_byte(lp, BRIGHTNESS_CTRL, val);
-	if (ret)
-		return ret;
-
-	val = pd->device_control;
-	ret = lp855x_write_byte(lp, DEVICE_CTRL, val);
-	if (ret)
-		return ret;
-
-	if (pd->load_new_rom_data && pd->size_program) {
-		for (i = 0; i < pd->size_program; i++) {
-			addr = pd->rom_data[i].addr;
-			val = pd->rom_data[i].val;
-			if (!lp855x_is_valid_rom_area(lp, addr))
-				continue;
-
-			ret = lp855x_write_byte(lp, addr, val);
-			if (ret)
-				return ret;
-		}
-	}
-
-	return ret;
-}
-
-static int lp855x_bl_update_status(struct backlight_device *bl)
-{
-	struct lp855x *lp = bl_get_data(bl);
-	enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode;
-
-	if (bl->props.state & BL_CORE_SUSPENDED)
-		bl->props.brightness = 0;
-
-	if (mode == PWM_BASED) {
-		struct lp855x_pwm_data *pd = &lp->pdata->pwm_data;
-		int br = bl->props.brightness;
-		int max_br = bl->props.max_brightness;
-
-		if (pd->pwm_set_intensity)
-			pd->pwm_set_intensity(br, max_br);
-
-	} else if (mode == REGISTER_BASED) {
-		u8 val = bl->props.brightness;
-		lp855x_write_byte(lp, BRIGHTNESS_CTRL, val);
-	}
-
-	return 0;
-}
-
-static int lp855x_bl_get_brightness(struct backlight_device *bl)
-{
-	struct lp855x *lp = bl_get_data(bl);
-	enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode;
-
-	if (mode == PWM_BASED) {
-		struct lp855x_pwm_data *pd = &lp->pdata->pwm_data;
-		int max_br = bl->props.max_brightness;
-
-		if (pd->pwm_get_intensity)
-			bl->props.brightness = pd->pwm_get_intensity(max_br);
-
-	} else if (mode == REGISTER_BASED) {
-		u8 val = 0;
-
-		lp855x_read_byte(lp, BRIGHTNESS_CTRL, &val);
-		bl->props.brightness = val;
-	}
-
-	return bl->props.brightness;
-}
-
-static const struct backlight_ops lp855x_bl_ops = {
-	.options = BL_CORE_SUSPENDRESUME,
-	.update_status = lp855x_bl_update_status,
-	.get_brightness = lp855x_bl_get_brightness,
-};
-
-static int lp855x_backlight_register(struct lp855x *lp)
-{
-	struct backlight_device *bl;
-	struct backlight_properties props;
-	struct lp855x_platform_data *pdata = lp->pdata;
-	char *name = pdata->name ? : DEFAULT_BL_NAME;
-
-	props.type = BACKLIGHT_PLATFORM;
-	props.max_brightness = MAX_BRIGHTNESS;
-
-	if (pdata->initial_brightness > props.max_brightness)
-		pdata->initial_brightness = props.max_brightness;
-
-	props.brightness = pdata->initial_brightness;
-
-	bl = backlight_device_register(name, lp->dev, lp,
-				       &lp855x_bl_ops, &props);
-	if (IS_ERR(bl))
-		return PTR_ERR(bl);
-
-	lp->bl = bl;
-
-	return 0;
-}
-
-static void lp855x_backlight_unregister(struct lp855x *lp)
-{
-	if (lp->bl)
-		backlight_device_unregister(lp->bl);
-}
-
-static ssize_t lp855x_get_chip_id(struct device *dev,
-				struct device_attribute *attr, char *buf)
-{
-	struct lp855x *lp = dev_get_drvdata(dev);
-	return scnprintf(buf, BUF_SIZE, "%s\n", lp->chipname);
-}
-
-static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	struct lp855x *lp = dev_get_drvdata(dev);
-	enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode;
-	char *strmode = NULL;
-
-	if (mode == PWM_BASED)
-		strmode = "pwm based";
-	else if (mode == REGISTER_BASED)
-		strmode = "register based";
-
-	return scnprintf(buf, BUF_SIZE, "%s\n", strmode);
-}
-
-static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL);
-static DEVICE_ATTR(bl_ctl_mode, S_IRUGO, lp855x_get_bl_ctl_mode, NULL);
-
-static struct attribute *lp855x_attributes[] = {
-	&dev_attr_chip_id.attr,
-	&dev_attr_bl_ctl_mode.attr,
-	NULL,
-};
-
-static const struct attribute_group lp855x_attr_group = {
-	.attrs = lp855x_attributes,
-};
-
-static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
-{
-	struct lp855x *lp;
-	struct lp855x_platform_data *pdata = cl->dev.platform_data;
-	enum lp855x_brightness_ctrl_mode mode;
-	int ret;
-
-	if (!pdata) {
-		dev_err(&cl->dev, "no platform data supplied\n");
-		return -EINVAL;
-	}
-
-	if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
-		return -EIO;
-
-	lp = devm_kzalloc(&cl->dev, sizeof(struct lp855x), GFP_KERNEL);
-	if (!lp)
-		return -ENOMEM;
-
-	mode = pdata->mode;
-	lp->client = cl;
-	lp->dev = &cl->dev;
-	lp->pdata = pdata;
-	lp->chipname = id->name;
-	lp->chip_id = id->driver_data;
-	i2c_set_clientdata(cl, lp);
-
-	mutex_init(&lp->xfer_lock);
-
-	ret = lp855x_init_registers(lp);
-	if (ret) {
-		dev_err(lp->dev, "i2c communication err: %d", ret);
-		if (mode == REGISTER_BASED)
-			goto err_dev;
-	}
-
-	ret = lp855x_backlight_register(lp);
-	if (ret) {
-		dev_err(lp->dev,
-			"failed to register backlight. err: %d\n", ret);
-		goto err_dev;
-	}
-
-	ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group);
-	if (ret) {
-		dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret);
-		goto err_sysfs;
-	}
-
-	backlight_update_status(lp->bl);
-	return 0;
-
-err_sysfs:
-	lp855x_backlight_unregister(lp);
-err_dev:
-	return ret;
-}
-
-static int __devexit lp855x_remove(struct i2c_client *cl)
-{
-	struct lp855x *lp = i2c_get_clientdata(cl);
-
-	lp->bl->props.brightness = 0;
-	backlight_update_status(lp->bl);
-	sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group);
-	lp855x_backlight_unregister(lp);
-
-	return 0;
-}
-
-static const struct i2c_device_id lp855x_ids[] = {
-	{"lp8550", LP8550},
-	{"lp8551", LP8551},
-	{"lp8552", LP8552},
-	{"lp8553", LP8553},
-	{"lp8556", LP8556},
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, lp855x_ids);
-
-static struct i2c_driver lp855x_driver = {
-	.driver = {
-		   .name = "lp855x",
-		   },
-	.probe = lp855x_probe,
-	.remove = __devexit_p(lp855x_remove),
-	.id_table = lp855x_ids,
-};
-
-module_i2c_driver(lp855x_driver);
-
-MODULE_DESCRIPTION("Texas Instruments LP855x Backlight driver");
-MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>");
-MODULE_LICENSE("GPL");