void forced_release(struct wacom_i2c *wac_i2c)
{
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
printk(KERN_DEBUG "epen:%s\n", __func__);
#endif
input_report_abs(wac_i2c->input_dev, ABS_X, wac_i2c->last_x);
input_report_abs(wac_i2c->input_dev, ABS_Y, wac_i2c->last_y);
input_report_abs(wac_i2c->input_dev, ABS_PRESSURE, 0);
#ifdef WACOM_USE_GAIN
input_report_abs(wac_i2c->input_dev, ABS_DISTANCE, 0);
#endif
input_report_key(wac_i2c->input_dev, BTN_STYLUS, 0);
input_report_key(wac_i2c->input_dev, BTN_TOUCH, 0);
input_report_key(wac_i2c->input_dev, BTN_TOOL_RUBBER, 0);
input_report_key(wac_i2c->input_dev, BTN_TOOL_PEN, 0);
input_sync(wac_i2c->input_dev);
wac_i2c->last_x = 0;
wac_i2c->last_y = 0;
wac_i2c->pen_prox = 0;
wac_i2c->pen_pressed = 0;
wac_i2c->side_pressed = 0;
/*wac_i2c->pen_pdct = PDCT_NOSIGNAL;*/
#ifdef WACOM_BOOSTER
if (wac_i2c->last_x == 0 && wac_i2c->last_y == 0)
wacom_set_dvfs_lock(wac_i2c, 0);
#endif
}
static void wacom_power_off(struct wacom_i2c *wac_i2c)
{
mutex_lock(&wac_i2c->lock);
if (!wac_i2c->power_enable) {
printk(KERN_DEBUG"epen:pass pwr off\n");
goto out_power_off;
}
#ifdef WACOM_BOOSTER
wacom_set_dvfs_lock(wac_i2c, 2);
#endif
wacom_enable_irq(wac_i2c, false);
/* release pen, if it is pressed */
if (wac_i2c->pen_pressed || wac_i2c->side_pressed
|| wac_i2c->pen_prox)
forced_release(wac_i2c);
cancel_delayed_work_sync(&wac_i2c->resume_work);
#ifdef LCD_FREQ_SYNC
cancel_work_sync(&wac_i2c->lcd_freq_work);
cancel_delayed_work_sync(&wac_i2c->lcd_freq_done_work);
wac_i2c->lcd_freq_wait = false;
#endif
#ifdef WACOM_USE_SOFTKEY_BLOCK
cancel_delayed_work_sync(&wac_i2c->softkey_block_work);
wac_i2c->block_softkey = false;
#endif
if (wake_lock_active(&wac_i2c->fw_wakelock)) {
printk(KERN_DEBUG"epen:wake_lock active. pass pwr off\n");
goto out_power_off;
}
/* power off */
wac_i2c->power_enable = false;
wac_i2c->wac_pdata->suspend_platform_hw();
printk(KERN_DEBUG"epen:%s\n", __func__);
out_power_off:
mutex_unlock(&wac_i2c->lock);
}
static int wacom_stop(struct wacom_i2c *wac_i2c)
{
dev_info(&wac_i2c->client->dev, "%s\n", __func__);
if (wac_i2c->wac_pdata->gpio_pen_reset_n > 0)
gpio_direction_output(wac_i2c->wac_pdata->gpio_pen_reset_n, 0);
gpio_direction_output(wac_i2c->wac_pdata->vdd_en, 0);
#ifdef WACOM_BOOSTER
if (wac_i2c->dvfs_lock_status)
wacom_set_dvfs_lock(wac_i2c, -1);
#endif
#ifdef USE_WACOM_BLOCK_KEYEVENT
wac_i2c->touch_pressed = false;
wac_i2c->touchkey_skipped = false;
#endif
wac_i2c->power_enable = false;
return 0;
}