static int __init aat2862_probe(struct i2c_client *i2c_dev, const struct i2c_device_id *id)
{
struct aat2862_device *dev;
struct backlight_device *bl_dev;
int err;
printk(KERN_INFO"%s: i2c probe start\n", __func__);
aat2862_i2c_client = i2c_dev;
dev = kzalloc(sizeof(struct aat2862_device), GFP_KERNEL);
if(dev == NULL) {
dev_err(&i2c_dev->dev,"fail alloc for aat2862_device\n");
return 0;
}
main_aat2862_dev = dev;
bl_dev = backlight_device_register(HUB_I2C_BL_NAME, &i2c_dev->dev, NULL, &hub_bl_ops);
bl_dev->props.max_brightness = MAX_BRIGHTNESS;
bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
bl_dev->props.power = FB_BLANK_UNBLANK;
dev->bl_dev = bl_dev;
dev->client = i2c_dev;
i2c_set_clientdata(i2c_dev, dev);
/* LGE_CHANGE_S [[email protected]] 2010-03-16, for prevent display flicker*/
//aat2862_init(i2c_dev);
/* LGE_CHANGE_S [[email protected]] 2010-03-16, for prevent display flicker*/
// 20100717 [email protected] power sequence for touch [START_LGE]
aat2862_touch_ldo_enable(i2c_dev, 1);
// 20100717 [email protected] power sequence for touch [END_LGE]
led_classdev_register(&i2c_dev->dev, &lcd_backlight);
aat2862_set_main_current_level(i2c_dev, DEFAULT_BRIGHTNESS);
err = device_create_file(&i2c_dev->dev, &dev_attr_level);
err = device_create_file(&i2c_dev->dev, &dev_attr_backlight_on_off);//20100825 [email protected] for test_mode
err = device_create_file(&i2c_dev->dev, &dev_attr_gpio_test);//20100907 [email protected] for gpio_test
//20100709 [email protected] early_suspend [START_LGE]
#ifdef CONFIG_HAS_EARLYSUSPEND
dev->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
dev->early_suspend.suspend = aat2862_early_suspend;
dev->early_suspend.resume = aat2862_late_resume;
register_early_suspend(&dev->early_suspend);
#endif
//20100709 [email protected] early_suspend [END_LGE]
gpio_request(LCD_CP_EN, "LCD_CP_EN");
/*LGE_START_S [email protected] for touch key led*/
TOUCH_KEY_BL_INIT();
TOUCH_KEY_BL_ON();
/*LGE_START_E [email protected] for touch key led*/
return 0;
}
void aat2862_backlight_off(void)
{
if (backlight_status == BL_OFF) return;
saved_main_lcd_level = cur_main_lcd_level;
aat2862_set_main_current_level(main_aat2862_dev->client, 0);
backlight_status = BL_OFF;
return;
}
static int hub_bl_set_intensity(struct backlight_device *bd)
{
struct i2c_client *client = to_i2c_client(bd->dev.parent);
aat2862_set_main_current_level(client, bd->props.brightness);
cur_main_lcd_level = bd->props.brightness;
return 0;
}
void aat2862_backlight_on(void)
{
//printk("%s received (prev backlight_status: %s)\n", __func__, backlight_status?"ON":"OFF");
if (backlight_status == BL_ON) return;
//20100709 [email protected] for resume
//aat2862_set_main_current_level(main_aat2862_dev->client, DEFAULT_BRIGHTNESS);
aat2862_set_main_current_level(main_aat2862_dev->client, early_bl_value);
backlight_status = BL_ON;
return;
}
void aat2862_backlight_off(void)
{
if (backlight_status == BL_OFF) return;
saved_main_lcd_level = cur_main_lcd_level;
aat2862_set_main_current_level(main_aat2862_dev->client, 0);
backlight_status = BL_OFF;
/*LGE_START_S [email protected] for touch key led*/
TOUCH_KEY_BL_OFF();
/*LGE_START_E [email protected] for touch key led*/
return;
}
void aat2862_backlight_on(void)
{
printk("%s received (prev backlight_status: %s)\n", __func__, backlight_status?"ON":"OFF");
if (backlight_status == BL_ON) return;
/*LGE_START_S [email protected] for touch key led*/
TOUCH_KEY_BL_ON();
/*LGE_START_E [email protected] for touch key led*/
//20100709 [email protected] for resume
//aat2862_set_main_current_level(main_aat2862_dev->client, DEFAULT_BRIGHTNESS);
aat2862_set_main_current_level(main_aat2862_dev->client, early_bl_value);
backlight_status = BL_ON;
return;
}
ssize_t lcd_backlight_store_level(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int level;
struct i2c_client *client = to_i2c_client(dev);
if (!count)
return -EINVAL;
level = simple_strtoul(buf, NULL, 10);
if (level > MAX_BRIGHTNESS)
level = MAX_BRIGHTNESS;
aat2862_set_main_current_level(client, level);
cur_main_lcd_level = level;
return count;
}
static void leds_brightness_set(struct led_classdev *led_cdev, enum led_brightness value)
{
value = value/12;
if (value > MAX_BRIGHTNESS)
value = MAX_BRIGHTNESS;
//20100709 [email protected] for resume [START_LGE]
if(early_bl_timer == 0)
{
early_bl_value = value;
return;
}
//20100709 [email protected] for resume [END_LGE]
aat2862_set_main_current_level(aat2862_i2c_client, value);
cur_main_lcd_level = value;
return;
}
static int __init aat2862_probe(struct i2c_client *i2c_dev, const struct i2c_device_id *id)
{
struct aat2862_device *dev;
struct backlight_device *bl_dev;
struct backlight_properties props; // hjpark 20110427
int err;
printk(KERN_INFO"%s: i2c probe start\n", __func__);
// 20100810 [email protected] GPIO Initialization [START_LGE]
omap_mux_init_gpio(MY_LCD_CP_EN, OMAP_PIN_OUTPUT);
err = gpio_request(MY_LCD_CP_EN, "lcd_cp_en");
if(err < 0) {
printk("can't get hub lcd cp enable GPIO\n");
kzfree(dev);
return -ENOSYS;
}
err = gpio_direction_output(MY_LCD_CP_EN, 1);
gpio_set_value(MY_LCD_CP_EN, 1);
omap_mux_init_gpio(MY_TOUCH_I2C2_SW, OMAP_PIN_OUTPUT);
err = gpio_request(MY_TOUCH_I2C2_SW, "touch_i2c2_sw");
if(err < 0) {
printk("can't get hub touch i2c2 sw enable GPIO\n");
kzfree(dev);
return -ENOSYS;
}
err = gpio_direction_output(MY_TOUCH_I2C2_SW, 0);
gpio_set_value(MY_TOUCH_I2C2_SW, 0);
aat2862_touch_ldo_enable(i2c_dev, 1);
// 20100810 [email protected] GPIO Initialization [END_LGE]
aat2862_i2c_client = i2c_dev;
dev = kzalloc(sizeof(struct aat2862_device), GFP_KERNEL);
if(dev == NULL) {
dev_err(&i2c_dev->dev,"fail alloc for aat2862_device\n");
return 0;
}
main_aat2862_dev = dev;
#if 0 // froyo k32 origin
bl_dev = backlight_device_register(HUB_I2C_BL_NAME, &i2c_dev->dev, NULL, &hub_bl_ops);
#else
bl_dev = backlight_device_register(HUB_I2C_BL_NAME, &i2c_dev->dev, NULL, &hub_bl_ops, &props);
#endif
bl_dev->props.max_brightness = MAX_BRIGHTNESS;
bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
bl_dev->props.power = FB_BLANK_UNBLANK;
dev->bl_dev = bl_dev;
dev->client = i2c_dev;
i2c_set_clientdata(i2c_dev, dev);
/* LGE_CHANGE_S [[email protected]] 2010-03-16, for prevent display flicker*/
//aat2862_init(i2c_dev);
/* LGE_CHANGE_S [[email protected]] 2010-03-16, for prevent display flicker*/
led_classdev_register(&i2c_dev->dev, &lcd_backlight);
aat2862_set_main_current_level(i2c_dev, DEFAULT_BRIGHTNESS);
err = device_create_file(&i2c_dev->dev, &dev_attr_level);
err = device_create_file(&i2c_dev->dev, &dev_attr_backlight_on_off);//20100825 [email protected] for test_mode
//20100709 [email protected] early_suspend [START_LGE]
#ifdef CONFIG_HAS_EARLYSUSPEND
dev->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
dev->early_suspend.suspend = aat2862_early_suspend;
dev->early_suspend.resume = aat2862_late_resume;
register_early_suspend(&dev->early_suspend);
#endif
//20100709 [email protected] early_suspend [END_LGE]
return 0;
}
