static irqreturn_t esd_interrupt_handler(int irq, void *data)
{
struct vivaltonfc_dsi_lcd *lcd = data;
printk("[LCD] %s(), esd_enable=%d, esd_processing=%d, gpio_input=%d\n",
__func__, lcd->esd_enable, lcd->esd_processing, gpio_get_value(lcd->esd_port));
if (gpio_get_value(lcd->esd_port) == 0) {
printk("[LCD] %s(), skip esd_interrupt_handlert because gpio_input is low\n",
__func__);
return IRQ_HANDLED;
}
if (lcd->esd_enable && !lcd->esd_processing/* && !battpwroff_charging*/) {
pr_info("ESD PORT =[%d]\n", gpio_get_value(lcd->esd_port));
lcd->esd_processing = true;
mutex_lock(&lcd->lock);
kona_fb_esd_hw_reset();
mutex_unlock(&lcd->lock);
msleep(500);
#ifdef CONFIG_BACKLIGHT_KTD2801
backlight_control(tune_level);
#endif
lcd->esd_processing = false;
}
return IRQ_HANDLED;
}
/* input: intensity in percentage 0% - 100% */
static int tps61158_backlight_update_status(struct backlight_device *bd)
{
int user_intensity = bd->props.brightness;
int tune_level = 0;
int i;
BLDBG("[BACKLIGHT] tps61158_backlight_update_status ==> user_intensity : %d\n", user_intensity);
if (bd->props.power != FB_BLANK_UNBLANK)
user_intensity = 0;
if (bd->props.fb_blank != FB_BLANK_UNBLANK)
user_intensity = 0;
if (bd->props.state & BL_CORE_SUSPENDED)
user_intensity = 0;
if(backlight_mode != BACKLIGHT_RESUME)
{
// BLDBG("[BACKLIGHT] Returned with invalid backlight mode %d\n", backlight_mode);
return 0;
}
if(user_intensity > 0) {
if(user_intensity < MIN_BRIGHTNESS_VALUE) {
tune_level = DIMMING_VALUE; //DIMMING
} else if (user_intensity == MAX_BRIGHTNESS_VALUE) {
tune_level = brt_table[MAX_BRT_STAGE-1].tune_level;
} else {
for(i = 0; i < MAX_BRT_STAGE; i++) {
if(user_intensity <= brt_table[i].level ) {
tune_level = brt_table[i].tune_level;
break;
}
}
}
}
BLDBG("[BACKLIGHT] tps61158_backlight_update_status ==> tune_level : %d\n", tune_level);
backlight_control(tune_level);
return 0;
}