//LGE_UPDATE_S [email protected] Exponential BL level applied 20120731 static void lm3530_set_main_current_level(struct i2c_client *client, int level) { struct lm3530_device *dev; int cal_value = 0; int max_brightness = main_lm3530_dev->max_brightness; dev = (struct lm3530_device *)i2c_get_clientdata(client); dev->bl_dev->props.brightness = level; mutex_lock(&main_lm3530_dev->bl_mutex); if (level != 0) { if (level > 0 && level < MIN_LEVEL) cal_value = 0; else if (level >= MIN_LEVEL && level <= MAX_LEVEL) { cal_value = mapped_value[level-MIN_LEVEL]; } else if (level > MAX_LEVEL) cal_value = max_brightness; cur_main_lcd_level = cal_value; lm3530_write_reg(client, 0xA0, cal_value); /* printk("%s() :level is : %d, cal_value is : * 0x%x\n", __func__, level, cal_value); */ } else lm3530_write_reg(client, 0x10, 0x00); msleep(1); mutex_unlock(&main_lm3530_dev->bl_mutex); }
static void lm3530_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3530_device *dev = i2c_get_clientdata(client);
int cal_value = 0;
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
dev->bl_dev->props.brightness = cur_main_lcd_level = level;
if (level != 0) {
if (level > 0 && level <= min_brightness)
cal_value = min_brightness;
else if (level > min_brightness && level <= max_brightness)
cal_value = level;
else if (level > max_brightness)
cal_value = max_brightness;
if (dev->blmap) {
if (cal_value < dev->blmap_size)
lm3530_write_reg(client, 0xA0,
dev->blmap[cal_value]);
else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
cal_value);
} else {
lm3530_write_reg(client, 0xA0, cal_value);
}
} else
lm3530_write_reg(client, 0x10, 0x00);
mdelay(1);
}
static void lm3530_backlight_on(struct i2c_client *client, int level)
{
struct lm3530_device *dev = i2c_get_clientdata(client);
mutex_lock(&backlight_mtx);
if (backlight_status == BL_OFF) {
pr_info("%s, ++ lm3530_backlight_on \n",__func__);
lm3530_hw_reset(client);
lm3530_write_reg(dev->client, 0xA0, 0x00);
lm3530_write_reg(dev->client, 0x10,
(pwm_status == BL_OFF) ? dev->max_current & 0x1F
: dev->max_current );
}
if (first_boot) {
lm3530_write_reg(dev->client, 0x10,
(pwm_status == BL_OFF) ? dev->max_current & 0x1F
: dev->max_current );
first_boot = false;
}
lm3530_set_main_current_level(dev->client, level);
backlight_status = BL_ON;
mutex_unlock(&backlight_mtx);
}
void lm3530_backlight_on(int level)
{
if (backlight_status == BL_OFF) {
msleep(17);
printk("%s, ++ lm3530_backlight_on \n",__func__);
lm3530_hw_reset();
lm3530_write_reg(main_lm3530_dev->client, 0xA0, 0x00);
/* reset 0 brightness */
lm3530_write_reg(main_lm3530_dev->client, 0x10,
main_lm3530_dev->max_current);
lm3530_write_reg(main_lm3530_dev->client, 0x30, 0x00);
/* fade in, out */
/* msleep(100); */
}
/* printk("%s received (prev backlight_status: %s)\n",
* __func__, backlight_status?"ON":"OFF");*/
lm3530_set_main_current_level(main_lm3530_dev->client, level);
backlight_status = BL_ON;
return;
}
void lm3530_backlight_on(int level)
{
if (backlight_status == LM3530_BL_OFF) {
lm3530_hw_reset();
lm3530_write_reg(main_lm3530_dev->client, 0x10, 0xB5);
lm3530_write_reg(main_lm3530_dev->client, 0x30, 0x09);
}
backlight_status = LM3530_BL_ON;
return;
}
void lm3530_lcd_backlight_enable(int level)
{
int ret=0;
if (backlight_status == LM3530_BL_OFF) {
ret = lm3530_write_reg(main_lm3530_dev->client, 0x10, 0xB5);
ret |= lm3530_write_reg(main_lm3530_dev->client, 0x30, 0x09);
}
ret |= lm3530_write_reg(main_lm3530_dev->client, 0xA0, level);
backlight_status = LM3530_BL_ON;
return;
}
void lm3530_lcd_backlight_set_level2(int level)
{
if (level > LM3530_MAX_LEVEL)
level = LM3530_MAX_LEVEL;
lm3530_write_reg(main_lm3530_dev->client, 0xA0, level);
msleep(130);
}
void lm3530_lcd_backlight_disable(int level)
{
int ret;
if (backlight_status == LM3530_BL_OFF)
return;
backlight_status = LM3530_BL_OFF;
ret = lm3530_write_reg(main_lm3530_dev->client, 0xA0, level);
return;
}
static void lm3530_lcd_backlight_pwm_enable(void)
{
struct i2c_client *client = lm3530_i2c_client;
struct lm3530_device *dev = i2c_get_clientdata(client);
if (backlight_status == BL_OFF)
return;
lm3530_write_reg(client, 0x10, dev->max_current);
}
void lm3530_backlight_on(int level)
{
if (lm3530_suspension.suspended)
return;
if(backlight_status == BL_OFF){
lm3530_hw_reset();
lm3530_write_reg(main_lm3530_dev->client, 0xA0, 0x00); //reset 0 brightness
lm3530_write_reg(main_lm3530_dev->client, 0x10, main_lm3530_dev->max_current);
#ifndef CONFIG_LGIT_VIDEO_CABC
lm3530_write_reg(main_lm3530_dev->client, 0x30, 0x2d); //fade in, out
#endif
}
lm3530_set_main_current_level(main_lm3530_dev->client, level);
backlight_status = BL_ON;
return;
}
static void lm3530_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3530_device *dev;
int cal_value;
int min_brightness = main_lm3530_dev->min_brightness;
int max_brightness = main_lm3530_dev->max_brightness;
dev = (struct lm3530_device *)i2c_get_clientdata(client);
dev->bl_dev->props.brightness = cur_main_lcd_level = level;
mutex_lock(&main_lm3530_dev->bl_mutex);
if(level!= 0){
if (level <= MIN_LEVEL)
cal_value = min_brightness;
else if(level > MIN_LEVEL && level < MAX_LEVEL_BL)
cal_value = level;
else if(level >=MAX_LEVEL_BL)
cal_value = max_brightness;
#ifdef CONFIG_LGE_PM_FACTORY_CURRENT_DOWN
if((0 == battery_info_get())&&((usb_cable_info == 6) ||(usb_cable_info == 7)||(usb_cable_info == 11)))
{
cal_value = min_brightness;
}
#endif
lm3530_write_reg(client, 0xA0, cal_value);
printk ("level=%d,cal_value=%d\n",level,cal_value);
}
else{
lm3530_write_reg(client, 0x10, 0x00);
}
mutex_unlock(&main_lm3530_dev->bl_mutex);
}
static void lm3530_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3530_device *dev;
int cal_value;
int min_brightness = main_lm3530_dev->min_brightness;
int max_brightness = main_lm3530_dev->max_brightness;
int ret; //
dev = (struct lm3530_device *)i2c_get_clientdata(client);
dev->bl_dev->props.brightness = cur_main_lcd_level = level;
mutex_lock(&main_lm3530_dev->bl_mutex);
if(level!= 0){
if (level <= MIN_LEVEL)
cal_value = min_brightness;
else if(level > MIN_LEVEL && level < MAX_LEVEL_BL)
#ifdef LOG_SCALE_MAPPING // for log scale mapping
if(level*2 <= 84) // hardware request : level < UI level: 84
cal_value=(int)(level*2*5/10 + 42);
else
cal_value=(int)((2323*level*2/10000)+66); //for log scale mapping
#else // for linear scale mapping
//cal_value =(max_brightness- min_brightness)*level/(MAX_LEVEL_BL- MIN_LEVEL)
// -((max_brightness- min_brightness)*MIN_LEVEL/(MAX_LEVEL_BL- MIN_LEVEL)-min_brightness);
cal_value = level;
#endif
else if(level >=MAX_LEVEL_BL)
cal_value = max_brightness;
#ifdef CONFIG_LGE_PM_FACTORY_CURRENT_DOWN
if(((usb_cable_info == 6) ||(usb_cable_info == 7)||(usb_cable_info == 11)))
{
cal_value = min_brightness;
}
#endif
lm3530_write_reg(client, 0xA0, cal_value);
//printk ("................... level=%d,cal_value=%d\n",level,cal_value);
}
static ssize_t lcd_store_br_mode(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = lm3530_i2c_client;
struct lm3530_device *ldev = i2c_get_clientdata(client);
int mode;
if (!count)
return -EINVAL;
mode = simple_strtoul(buf, NULL, 10);
if (mode < 0 || mode > 1)
return -EINVAL;
if (mode == 1)
ldev->max_current |= BR_MODE;
else
ldev->max_current &= ~(BR_MODE);
lm3530_write_reg(ldev->client, 0x10, ldev->max_current);
br_mode = mode;
return count;
}
