static void lm3639_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3639_device *dev = i2c_get_clientdata(client);
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
if (level == -BOOT_BRIGHTNESS)
level = dev->default_brightness;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 0;
mutex_lock(&dev->bl_mutex);
if (level != 0) {
if (level > 0 && level <= min_brightness)
level = min_brightness;
else if (level > max_brightness)
level = max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size) {
cal_value = dev->blmap[level];
lm3639_write_reg(client, 0x05,
cal_value);
} else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
level);
} else {
cal_value = level;
lm3639_write_reg(client, 0x05, cal_value);
}
} else{
lm3639_write_reg(client, 0x05, 0x00);
bl_ctrl = 0;
lm3639_read_reg(main_lm3639_dev->client, 0x0A, &bl_ctrl);
bl_ctrl &= 0xE6;
lm3639_write_reg(main_lm3639_dev->client, 0x0A, bl_ctrl);
}
mutex_unlock(&dev->bl_mutex);
pr_info("[LCD] %s : level=%d, cal_value=%d \n",
__func__, level, cal_value);
}
static void lm3639_set_main_current_level_no_mapping(
struct i2c_client *client, int level)
{
struct lm3639_device *dev;
dev = (struct lm3639_device *)i2c_get_clientdata(client);
if (level > MAX_BRIGHTNESS_LM3639)
level = MAX_BRIGHTNESS_LM3639;
else if (level < 0)
level = 0;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 1;
mutex_lock(&main_lm3639_dev->bl_mutex);
if (level != 0) {
lm3639_write_reg(client, 0x05, level);
} else {
lm3639_write_reg(client, 0x00, 0x00);
}
mutex_unlock(&main_lm3639_dev->bl_mutex);
}
void lm3639_led_enable(void){
int gpio = main_lm3639_dev->bl_gpio;
pr_err(">> %s: START\n", __func__);
mutex_lock(&main_lm3639_dev->bl_mutex);
if (gpio_get_value(gpio) != 1) {
gpio_direction_output(gpio, 1);
if (backlight_status == POWER_OFF) {/* */
lm3639_write_reg(main_lm3639_dev->client, 0x05, 0x00);
}
mdelay(10);
pr_err("%s: ON!\n", __func__);
}
backlight_status |= FLASH_ON;
mutex_unlock(&main_lm3639_dev->bl_mutex);
pr_err("<< %s: END\n", __func__);
}
void lm3639_led_enable(void){
int gpio = main_lm3639_dev->bl_gpio;
pr_err(">> %s: START\n", __func__);
mutex_lock(&main_lm3639_dev->bl_mutex);
if (gpio_get_value(gpio) != 1) {
gpio_direction_output(gpio, 1);
if (backlight_status == POWER_OFF) {/* LGE_CHANGE, [email protected], If display turn off, set backlight brightness 0x00*/
lm3639_write_reg(main_lm3639_dev->client, 0x05, 0x00);
}
mdelay(10);
pr_err("%s: ON!\n", __func__);
}
backlight_status |= FLASH_ON;
mutex_unlock(&main_lm3639_dev->bl_mutex);
pr_err("<< %s: END\n", __func__);
}
void lm3639_backlight_on(int level)
{
if ((backlight_status != BL_ON) && (backlight_status != BOTH_ON)){
if(!init_complete)
lm3639_hw_reset();
bl_ctrl = 0;
lm3639_read_reg(main_lm3639_dev->client, 0x0A, &bl_ctrl);
bl_ctrl |= 0x11;
lm3639_write_reg(main_lm3639_dev->client, 0x0A, bl_ctrl);
pr_info("%s: ON!\n", __func__);
}
mdelay(1);
lm3639_set_main_current_level(main_lm3639_dev->client, level);
backlight_status |= BL_ON;
return;
}
