static int lm3630_probe(struct i2c_client *i2c_dev,
const struct i2c_device_id *id)
{
struct backlight_platform_data *pdata;
struct lm3630_device *dev;
struct backlight_device *bl_dev;
struct backlight_properties props;
int err;
pr_info(" %s: i2c probe start\n", __func__);
#ifdef CONFIG_OF
if (&i2c_dev->dev.of_node) {
pdata = devm_kzalloc(&i2c_dev->dev,
sizeof(struct backlight_platform_data),
GFP_KERNEL);
if (!pdata) {
pr_err("%s: Failed to allocate memory\n", __func__);
return -ENOMEM;
}
err = lm3630_parse_dt(&i2c_dev->dev, pdata);
if (err != 0)
return err;
} else {
pdata = i2c_dev->dev.platform_data;
}
#else
pdata = i2c_dev->dev.platform_data;
#endif
pr_info("%s: gpio = %d\n", __func__, pdata->gpio);
if (pdata->gpio && gpio_request(pdata->gpio, "lm3630 reset") != 0) {
return -ENODEV;
}
lm3630_i2c_client = i2c_dev;
dev = kzalloc(sizeof(struct lm3630_device), GFP_KERNEL);
if (dev == NULL) {
dev_err(&i2c_dev->dev, "fail alloc for lm3630_device\n");
return 0;
}
main_lm3630_dev = dev;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = MAX_BRIGHTNESS_LM3630;
bl_dev = backlight_device_register(I2C_BL_NAME, &i2c_dev->dev,
NULL, &lm3630_bl_ops, &props);
bl_dev->props.max_brightness = MAX_BRIGHTNESS_LM3630;
#if defined(CONFIG_B1_LGD_PANEL)
if(lge_get_boot_mode() == LGE_BOOT_MODE_CHARGERLOGO)
bl_dev->props.brightness = 0x99; // same to LK
else if(lge_get_boot_mode() == LGE_BOOT_MODE_FACTORY
|| lge_get_boot_mode() == LGE_BOOT_MODE_FACTORY2
|| lge_get_boot_mode() == LGE_BOOT_MODE_FACTORY3
|| lge_get_boot_mode() == LGE_BOOT_MODE_PIFBOOT
|| lge_get_boot_mode() == LGE_BOOT_MODE_PIFBOOT2
|| lge_get_boot_mode() == LGE_BOOT_MODE_PIFBOOT3)
factory_boot = 1;
else
bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
#else
bl_dev->props.brightness = pdata->default_brightness;
#endif
bl_dev->props.power = FB_BLANK_UNBLANK;
dev->bl_dev = bl_dev;
dev->client = i2c_dev;
dev->gpio = pdata->gpio;
dev->max_current = pdata->max_current;
dev->min_brightness = pdata->min_brightness;
dev->max_brightness = pdata->max_brightness;
dev->blmap_size = pdata->blmap_size;
if (dev->blmap_size) {
dev->blmap = kzalloc(sizeof(char) * dev->blmap_size, GFP_KERNEL);
if (!dev->blmap) {
pr_err("%s: Failed to allocate memory\n", __func__);
return -ENOMEM;
}
memcpy(dev->blmap, pdata->blmap, dev->blmap_size);
} else {
dev->blmap = NULL;
}
#ifdef CONFIG_LGE_LCD_OFF_DIMMING
if ((lge_get_bootreason() == 0x77665560) || (lge_get_bootreason() == 0x77665561)) {
dev->bl_dev->props.brightness = 50;
pr_info("%s : fota reboot - backlight set 50\n", __func__);
}
#endif
if (gpio_get_value(dev->gpio))
backlight_status = BL_ON;
else
backlight_status = BL_OFF;
i2c_set_clientdata(i2c_dev, dev);
mutex_init(&dev->bl_mutex);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_level);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_backlight_on_off);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_exp_min_value);
#if defined(CONFIG_BACKLIGHT_CABC_DEBUG_ENABLE)
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_pwm);
#endif
pr_info("%s: i2c probe done\n", __func__);
return 0;
}
static int lm3630_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct lm3630_platform_data *pdata;
struct lm3630_device *dev;
struct backlight_device *bl_dev;
struct backlight_properties props;
struct device_node *dev_node = client->dev.of_node;
int ret = 0;
dev = kzalloc(sizeof(struct lm3630_device), GFP_KERNEL);
if (!dev) {
pr_err("%s: failed to allocate lm3630_device\n", __func__);
return -ENOMEM;
}
if (dev_node) {
ret = lm3630_parse_dt(dev_node, dev);
if (ret) {
pr_err("%s: failed to parse dt\n", __func__);
goto err_parse_dt;
}
} else {
pdata = client->dev.platform_data;
if (pdata == NULL) {
pr_err("%s: no platform data\n", __func__);
goto err_parse_dt;
}
dev->en_gpio = pdata->en_gpio;
dev->boost_ctrl_reg = pdata->boost_ctrl_reg;
dev->bank_sel = pdata->bank_sel;
dev->linear_map = pdata->linear_map;
dev->max_current = pdata->max_current;
dev->min_brightness = pdata->min_brightness;
dev->default_brightness = pdata->default_brightness;
dev->max_brightness = pdata->max_brightness;
dev->pwm_enable = pdata->pwm_enable;
dev->blmap_size = pdata->blmap_size;
if (dev->blmap_size)
dev->blmap = pdata->blmap;
}
/* initialize register values for hw reset */
lm3630_set_init_values(dev);
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = dev->max_brightness;
bl_dev = backlight_device_register(I2C_BL_NAME, &client->dev,
NULL, &lm3630_bl_ops, &props);
if (IS_ERR(bl_dev)) {
pr_err("%s: failed to register backlight\n", __func__);
ret = PTR_ERR(bl_dev);
goto err_bl_dev_reg;
}
#ifdef CONFIG_MACH_LGE
/* HACK: disable fb notifier unless off-mode charge */
if (lge_get_boot_mode() != LGE_BOOT_MODE_CHARGER)
fb_unregister_client(&bl_dev->fb_notif);
#endif
bl_dev->props.max_brightness = dev->max_brightness;
bl_dev->props.brightness = dev->default_brightness;
bl_dev->props.power = FB_BLANK_UNBLANK;
dev->bl_dev = bl_dev;
dev->client = client;
i2c_set_clientdata(client, dev);
if (gpio_is_valid(dev->en_gpio)) {
ret = gpio_request_one(dev->en_gpio, GPIOF_OUT_INIT_HIGH,
"lm3630_en");
if (ret) {
pr_err("%s: failed to request en_gpio\n", __func__);
goto err_gpio_request;
}
}
ret = device_create_file(&client->dev,
&dev_attr_lm3630_level);
if (ret) {
pr_err("%s: failed to create sysfs level\n", __func__);
goto err_create_sysfs_level;
}
ret = lm3630_create_debugfs_entries(dev);
if (ret) {
pr_err("%s: lm3630_create_debugfs_entries failed\n", __func__);
goto err_create_debugfs;
}
lm3630_dev = dev;
pr_info("%s: lm3630 probed\n", __func__);
return 0;
err_create_debugfs:
device_remove_file(&client->dev, &dev_attr_lm3630_level);
err_create_sysfs_level:
if (gpio_is_valid(dev->en_gpio))
gpio_free(dev->en_gpio);
err_gpio_request:
backlight_device_unregister(bl_dev);
err_bl_dev_reg:
if (dev_node && dev->blmap)
kfree(dev->blmap);
err_parse_dt:
kfree(dev);
return ret;
}
static int lm3630_probe(struct i2c_client *i2c_dev,
const struct i2c_device_id *id)
{
struct backlight_platform_data *pdata;
struct lm3630_device *dev;
struct backlight_device *bl_dev;
struct backlight_properties props;
int err;
pr_info("[LCD][DEBUG] %s: i2c probe start\n", __func__);
#ifdef CONFIG_OF
if (&i2c_dev->dev.of_node) {
pdata = devm_kzalloc(&i2c_dev->dev,
sizeof(struct backlight_platform_data),
GFP_KERNEL);
if (!pdata) {
pr_err("%s: Failed to allocate memory\n", __func__);
return -ENOMEM;
}
err = lm3630_parse_dt(&i2c_dev->dev, pdata);
if (err != 0)
return err;
} else {
pdata = i2c_dev->dev.platform_data;
}
#else
pdata = i2c_dev->dev.platform_data;
#endif
pr_debug("[LCD][DEBUG] %s: gpio = %d\n", __func__,pdata->gpio);
if (pdata->gpio && gpio_request(pdata->gpio, "lm3630 reset") != 0) {
return -ENODEV;
}
lm3630_i2c_client = i2c_dev;
dev = kzalloc(sizeof(struct lm3630_device), GFP_KERNEL);
if (dev == NULL) {
dev_err(&i2c_dev->dev, "fail alloc for lm3630_device\n");
return 0;
}
main_lm3630_dev = dev;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = MAX_BRIGHTNESS_LM3630;
bl_dev = backlight_device_register(I2C_BL_NAME, &i2c_dev->dev,
NULL, &lm3630_bl_ops, &props);
bl_dev->props.max_brightness = MAX_BRIGHTNESS_LM3630;
bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
bl_dev->props.power = FB_BLANK_UNBLANK;
dev->bl_dev = bl_dev;
dev->client = i2c_dev;
dev->gpio = pdata->gpio;
dev->max_current = pdata->max_current;
dev->min_brightness = pdata->min_brightness;
dev->default_brightness = pdata->default_brightness;
dev->max_brightness = pdata->max_brightness;
dev->blmap_size = pdata->blmap_size;
if (dev->blmap_size) {
dev->blmap = kzalloc(sizeof(char) * dev->blmap_size, GFP_KERNEL);
if (!dev->blmap) {
pr_err("%s: Failed to allocate memory\n", __func__);
return -ENOMEM;
}
memcpy(dev->blmap, pdata->blmap, dev->blmap_size);
} else {
dev->blmap = NULL;
}
if (gpio_get_value(dev->gpio))
backlight_status = BL_ON;
else
backlight_status = BL_OFF;
i2c_set_clientdata(i2c_dev, dev);
mutex_init(&dev->bl_mutex);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_level);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_backlight_on_off);
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_exp_min_value);
#if defined(CONFIG_BACKLIGHT_CABC_DEBUG_ENABLE)
err = device_create_file(&i2c_dev->dev,
&dev_attr_lm3630_pwm);
#endif
#if defined(CONFIG_MACH_LGE) && !defined(CONFIG_MACH_MSM8974_VU3_KR) && !defined(CONFIG_MACH_MSM8974_Z_KR) && !defined(CONFIG_MACH_MSM8974_Z_US) && !defined(CONFIG_OLED_SUPPORT)
if (!lge_get_cont_splash_enabled())
lm3630_lcd_backlight_set_level(0);
#endif
return 0;
}
