drivers/battery_v2/sec_cisd.c - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  *  sec_cisd.c
  *  Samsung Mobile Battery Driver
  *
  *  Copyright (C) 2012 Samsung Electronics
  *
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
 #include "include/sec_battery.h"
 #include "include/sec_cisd.h"

 #if defined(CONFIG_SEC_ABC)
 #include <linux/sti/abc_common.h>
 #endif

 const char *cisd_data_str[] = {
 	"RESET_ALG", "ALG_INDEX", "FULL_CNT", "CAP_MAX", "CAP_MIN", "RECHARGING_CNT", "VALERT_CNT",
 	"BATT_CYCLE", "WIRE_CNT", "WIRELESS_CNT", "HIGH_SWELLING_CNT", "LOW_SWELLING_CNT",
 	"SWELLING_CHARGING", "SWELLING_FULL_CNT", "SWELLING_RECOVERY_CNT", "AICL_CNT", "BATT_THM_MAX",
 	"BATT_THM_MIN", "CHG_THM_MAX", "CHG_THM_MIN", "WPC_THM_MAX", "WPC_THM_MIN", "USB_THM_MAX", "USB_THM_MIN",
 	"CHG_BATT_THM_MAX", "CHG_BATT_THM_MIN", "CHG_CHG_THM_MAX", "CHG_CHG_THM_MIN", "CHG_WPC_THM_MAX",
 	"CHG_WPC_THM_MIN", "CHG_USB_THM_MAX", "CHG_USB_THM_MIN", "USB_OVERHEAT_CHARGING", "UNSAFETY_VOLT",
 	"UNSAFETY_TEMP", "SAFETY_TIMER", "VSYS_OVP", "VBAT_OVP", "USB_OVERHEAT_RAPID_CHANGE", "BUCK_OFF",
 	"USB_OVERHEAT_ALONE", "DROP_SENSOR"
 };
 const char *cisd_data_str_d[] = {
 	"FULL_CNT_D", "CAP_MAX_D", "CAP_MIN_D", "RECHARGING_CNT_D", "VALERT_CNT_D", "WIRE_CNT_D", "WIRELESS_CNT_D",
 	"HIGH_SWELLING_CNT_D", "LOW_SWELLING_CNT_D", "SWELLING_CHARGING_D", "SWELLING_FULL_CNT_D",
 	"SWELLING_RECOVERY_CNT_D", "AICL_CNT_D", "BATT_THM_MAX_D",	"BATT_THM_MIN_D", "CHG_THM_MAX_D",
 	"CHG_THM_MIN_D", "WPC_THM_MAX_D", "WPC_THM_MIN_D", "USB_THM_MAX_D", "USB_THM_MIN_D",
 	"CHG_BATT_THM_MAX_D", "CHG_BATT_THM_MIN_D", "CHG_CHG_THM_MAX_D", "CHG_CHG_THM_MIN_D",
 	"CHG_WPC_THM_MAX_D", "CHG_WPC_THM_MIN_D", "CHG_USB_THM_MAX_D", "CHG_USB_THM_MIN_D",
 	"USB_OVERHEAT_CHARGING_D", "UNSAFETY_VOLT_D", "UNSAFETY_TEMP_D", "SAFETY_TIMER_D", "VSYS_OVP_D",
 	"VBAT_OVP_D", "USB_OVERHEAT_RAPID_CHANGE_D", "BUCK_OFF_D", "USB_OVERHEAT_ALONE_D", "DROP_SENSOR_D"
 };

 const char *cisd_cable_data_str[] = {"INDEX", "TA", "AFC", "AFC_FAIL", "QC", "QC_FAIL", "PD", "PD_HIGH"};

 bool sec_bat_cisd_check(struct sec_battery_info *battery)
 {
 	union power_supply_propval capcurr_val = {0, };
 	union power_supply_propval vbat_val = {0, };
 	struct cisd *pcisd = &battery->cisd;
 	bool ret = false;

 	if (battery->factory_mode || battery->is_jig_on || battery->skip_cisd) {
 		dev_info(battery->dev, "%s: No need to check in factory mode\n",
 			__func__);
 		return ret;
 	}

 	if ((battery->status == POWER_SUPPLY_STATUS_CHARGING) ||
 		(battery->status == POWER_SUPPLY_STATUS_FULL)) {

 		/* check abnormal vbat */
 		pcisd->ab_vbat_check_count = battery->voltage_now > pcisd->max_voltage_thr ?
 				pcisd->ab_vbat_check_count + 1 : 0;

 		if ((pcisd->ab_vbat_check_count >= pcisd->ab_vbat_max_count) &&
 			!(pcisd->state & CISD_STATE_OVER_VOLTAGE)) {
 			dev_info(battery->dev, "%s : [CISD] Battery Over Voltage Protction !! vbat(%d)mV\n",
 				 __func__, battery->voltage_now);
 			vbat_val.intval = true;
 			psy_do_property("battery", set, POWER_SUPPLY_EXT_PROP_VBAT_OVP,
 					vbat_val);
 			pcisd->data[CISD_DATA_VBAT_OVP]++;
 			pcisd->data[CISD_DATA_VBAT_OVP_PER_DAY]++;
 			pcisd->state |= CISD_STATE_OVER_VOLTAGE;
 #if defined(CONFIG_SEC_ABC)
 			sec_abc_send_event("MODULE=battery@ERROR=over_voltage");
 #endif
 		}

 		if (battery->temperature > pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX])
 			pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX] = battery->temperature;
 		if (battery->temperature < pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN])
 			pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN] = battery->temperature;

 		if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX])
 			pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX] = battery->chg_temp;
 		if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN])
 			pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN] = battery->chg_temp;

 		if (battery->wpc_temp > pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX])
 			pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX] = battery->wpc_temp;
 		if (battery->wpc_temp < pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN])
 			pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN] = battery->wpc_temp;

 		if (battery->usb_temp > pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX])
 			pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX] = battery->usb_temp;
 		if (battery->usb_temp < pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN])
 			pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN] = battery->usb_temp;

 		if (battery->temperature > pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY] = battery->temperature;
 		if (battery->temperature < pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY] = battery->temperature;

 		if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY] = battery->chg_temp;
 		if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY] = battery->chg_temp;

 		if (battery->wpc_temp > pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY] = battery->wpc_temp;
 		if (battery->wpc_temp < pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY] = battery->wpc_temp;

 		if (battery->usb_temp > pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY] = battery->usb_temp;
 		if (battery->usb_temp < pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY])
 			pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY] = battery->usb_temp;

 		if (battery->usb_temp > 800 && !battery->usb_overheat_check) {
 			battery->cisd.data[CISD_DATA_USB_OVERHEAT_CHARGING]++;
 			battery->cisd.data[CISD_DATA_USB_OVERHEAT_CHARGING_PER_DAY]++;
 			battery->usb_overheat_check = true;
 		}
 	} else  {
 		/* discharging */
 		if (battery->status == POWER_SUPPLY_STATUS_NOT_CHARGING) {
 			/* check abnormal vbat */
 			pcisd->ab_vbat_check_count = battery->voltage_now > pcisd->max_voltage_thr ?
 				pcisd->ab_vbat_check_count + 1 : 0;

 			if ((pcisd->ab_vbat_check_count >= pcisd->ab_vbat_max_count) &&
 					!(pcisd->state & CISD_STATE_OVER_VOLTAGE)) {
 				pcisd->data[CISD_DATA_VBAT_OVP]++;
 				pcisd->data[CISD_DATA_VBAT_OVP_PER_DAY]++;
 				pcisd->state |= CISD_STATE_OVER_VOLTAGE;
 #if defined(CONFIG_SEC_ABC)
 				sec_abc_send_event("MODULE=battery@ERROR=over_voltage");
 #endif
 			}
 		}

 		capcurr_val.intval = SEC_BATTERY_CAPACITY_FULL;
 		psy_do_property(battery->pdata->fuelgauge_name, get,
 			POWER_SUPPLY_PROP_ENERGY_NOW, capcurr_val);
 		if (capcurr_val.intval == -1) {
 			dev_info(battery->dev, "%s: [CISD] FG I2C fail. skip cisd check \n", __func__);
 			return ret;
 		}

 		if (capcurr_val.intval > pcisd->data[CISD_DATA_CAP_MAX])
 			pcisd->data[CISD_DATA_CAP_MAX] = capcurr_val.intval;
 		if (capcurr_val.intval < pcisd->data[CISD_DATA_CAP_MIN])
 			pcisd->data[CISD_DATA_CAP_MIN] = capcurr_val.intval;

 		if (capcurr_val.intval > pcisd->data[CISD_DATA_CAP_MAX_PER_DAY])
 			pcisd->data[CISD_DATA_CAP_MAX_PER_DAY] = capcurr_val.intval;
 		if (capcurr_val.intval < pcisd->data[CISD_DATA_CAP_MIN_PER_DAY])
 			pcisd->data[CISD_DATA_CAP_MIN_PER_DAY] = capcurr_val.intval;
 	}

 	if (battery->temperature > pcisd->data[CISD_DATA_BATT_TEMP_MAX])
 		pcisd->data[CISD_DATA_BATT_TEMP_MAX] = battery->temperature;
 	if (battery->temperature < battery->cisd.data[CISD_DATA_BATT_TEMP_MIN])
 		pcisd->data[CISD_DATA_BATT_TEMP_MIN] = battery->temperature;

 	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_TEMP_MAX])
 		pcisd->data[CISD_DATA_CHG_TEMP_MAX] = battery->chg_temp;
 	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_TEMP_MIN])
 		pcisd->data[CISD_DATA_CHG_TEMP_MIN] = battery->chg_temp;

 	if (battery->wpc_temp > pcisd->data[CISD_DATA_WPC_TEMP_MAX])
 		pcisd->data[CISD_DATA_WPC_TEMP_MAX] = battery->wpc_temp;
 	if (battery->wpc_temp < battery->cisd.data[CISD_DATA_WPC_TEMP_MIN])
 		pcisd->data[CISD_DATA_WPC_TEMP_MIN] = battery->wpc_temp;

 	if (battery->usb_temp > pcisd->data[CISD_DATA_USB_TEMP_MAX])
 		pcisd->data[CISD_DATA_USB_TEMP_MAX] = battery->usb_temp;
 	if (battery->usb_temp < pcisd->data[CISD_DATA_USB_TEMP_MIN])
 		pcisd->data[CISD_DATA_USB_TEMP_MIN] = battery->usb_temp;

 	if (battery->temperature > pcisd->data[CISD_DATA_BATT_TEMP_MAX_PER_DAY])
 		pcisd->data[CISD_DATA_BATT_TEMP_MAX_PER_DAY] = battery->temperature;
 	if (battery->temperature < pcisd->data[CISD_DATA_BATT_TEMP_MIN_PER_DAY])
 		pcisd->data[CISD_DATA_BATT_TEMP_MIN_PER_DAY] = battery->temperature;

 	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_TEMP_MAX_PER_DAY])
 		pcisd->data[CISD_DATA_CHG_TEMP_MAX_PER_DAY] = battery->chg_temp;
 	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_TEMP_MIN_PER_DAY])
 		pcisd->data[CISD_DATA_CHG_TEMP_MIN_PER_DAY] = battery->chg_temp;

 	if (battery->wpc_temp > pcisd->data[CISD_DATA_WPC_TEMP_MAX_PER_DAY])
 		pcisd->data[CISD_DATA_WPC_TEMP_MAX_PER_DAY] = battery->wpc_temp;
 	if (battery->wpc_temp < pcisd->data[CISD_DATA_WPC_TEMP_MIN_PER_DAY])
 		pcisd->data[CISD_DATA_WPC_TEMP_MIN_PER_DAY] = battery->wpc_temp;

 	if (battery->usb_temp > pcisd->data[CISD_DATA_USB_TEMP_MAX_PER_DAY])
 		pcisd->data[CISD_DATA_USB_TEMP_MAX_PER_DAY] = battery->usb_temp;
 	if (battery->usb_temp < pcisd->data[CISD_DATA_USB_TEMP_MIN_PER_DAY])
 		pcisd->data[CISD_DATA_USB_TEMP_MIN_PER_DAY] = battery->usb_temp;

 	return ret;
 }

 struct cisd *gcisd;
 void sec_battery_cisd_init(struct sec_battery_info *battery)
 {
 	battery->cisd.state = CISD_STATE_NONE;

 	battery->cisd.data[CISD_DATA_ALG_INDEX] = battery->pdata->cisd_alg_index;
 	battery->cisd.data[CISD_DATA_FULL_COUNT] = 1;
 	battery->cisd.data[CISD_DATA_BATT_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_CHG_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_WPC_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_USB_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_BATT_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_WPC_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_USB_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MAX] = -300;
 	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MIN] = 1000;
 	battery->cisd.data[CISD_DATA_CAP_MIN] = 0xFFFF;

 	battery->cisd.data[CISD_DATA_FULL_COUNT_PER_DAY] = 1;
 	battery->cisd.data[CISD_DATA_BATT_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_CHG_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_WPC_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_USB_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_BATT_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_WPC_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_USB_TEMP_MIN_PER_DAY] = 1000;

 	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY] = -300;
 	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY] = 1000;
 	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY] = 1000;

 	battery->cisd.ab_vbat_max_count = 2; /* should be 2 */
 	battery->cisd.ab_vbat_check_count = 0;
 	battery->cisd.max_voltage_thr = battery->pdata->max_voltage_thr;

 	/* set cisd pointer */
 	gcisd = &battery->cisd;

 	/* initialize pad data */
 	mutex_init(&battery->cisd.padlock);
 	init_cisd_pad_data(&battery->cisd);
 }

 static struct pad_data* create_pad_data(unsigned int pad_id, unsigned int pad_count)
 {
 	struct pad_data* temp_data;

 	temp_data = kzalloc(sizeof(struct pad_data), GFP_KERNEL);
 	if (temp_data == NULL)
 		return NULL;

 	temp_data->id = pad_id;
 	temp_data->count = pad_count;
 	temp_data->prev = temp_data->next = NULL;

 	return temp_data;
 }

 static struct pad_data* find_pad_data_by_id(struct cisd* cisd, unsigned int pad_id)
 {
 	struct pad_data* temp_data = cisd->pad_array->next;

 	if (cisd->pad_count <= 0 || temp_data == NULL)
 		return NULL;

 	while ((temp_data->id != pad_id) &&
 		((temp_data = temp_data->next) != NULL));

 	return temp_data;
 }

 static void add_pad_data(struct cisd* cisd, unsigned int pad_id, unsigned int pad_count)
 {
 	struct pad_data* temp_data = cisd->pad_array->next;
 	struct pad_data* pad_data;

 	if (pad_id == 0 || pad_id >= MAX_PAD_ID)
 		return;

 	pad_data = create_pad_data(pad_id, pad_count);
 	if (pad_data == NULL)
 		return;

 	pr_info("%s: id(0x%x), count(%d)\n", __func__, pad_id, pad_count);
 	while (temp_data) {
 		if (temp_data->id > pad_id) {
 			temp_data->prev->next = pad_data;
 			pad_data->prev = temp_data->prev;
 			pad_data->next = temp_data;
 			temp_data->prev = pad_data;
 			cisd->pad_count++;
 			return;
 		}
 		temp_data = temp_data->next;
 	}

 	pr_info("%s: failed to add pad_data(%d, %d)\n",
 		__func__, pad_id, pad_count);
 	kfree(pad_data);
 }

 void init_cisd_pad_data(struct cisd* cisd)
 {
 	struct pad_data* temp_data = cisd->pad_array;

 	mutex_lock(&cisd->padlock);
 	while (temp_data) {
 		struct pad_data* next_data = temp_data->next;

 		kfree(temp_data);
 		temp_data = next_data;
 	}

 	/* create dummy data */
 	cisd->pad_array = create_pad_data(0, 0);
 	if (cisd->pad_array == NULL)
 		goto err_create_dummy_data;
 	temp_data = create_pad_data(MAX_PAD_ID, 0);
 	if (temp_data == NULL) {
 		kfree(cisd->pad_array);
 		cisd->pad_array = NULL;
 		goto err_create_dummy_data;
 	}
 	cisd->pad_count = 0;
 	cisd->pad_array->next = temp_data;
 	temp_data->prev = cisd->pad_array;

 err_create_dummy_data:
 	mutex_unlock(&cisd->padlock);
 }

 void count_cisd_pad_data(struct cisd* cisd, unsigned int pad_id)
 {
 	struct pad_data* pad_data;

 	if (cisd->pad_array == NULL) {
 		pr_info("%s: can't update the connected count of pad_id(0x%x) because of null\n",
 			__func__, pad_id);
 		return;
 	}

 	mutex_lock(&cisd->padlock);
 	if ((pad_data = find_pad_data_by_id(cisd, pad_id)) != NULL)
 		pad_data->count++;
 	else
 		add_pad_data(cisd, pad_id, 1);
 	mutex_unlock(&cisd->padlock);
 }

 static unsigned int convert_wc_index_to_pad_id(unsigned int wc_index)
 {
 	switch (wc_index) {
 	case WC_SNGL_NOBLE:
 		return WC_PAD_ID_SNGL_NOBLE;
 	case WC_SNGL_VEHICLE:
 		return WC_PAD_ID_SNGL_VEHICLE;
 	case WC_SNGL_MINI:
 		return WC_PAD_ID_SNGL_MINI;
 	case WC_SNGL_ZERO:
 		return WC_PAD_ID_SNGL_ZERO;
 	case WC_SNGL_DREAM:
 		return WC_PAD_ID_SNGL_DREAM;
 	case WC_STAND_HERO:
 		return WC_PAD_ID_STAND_HERO;
 	case WC_STAND_DREAM:
 		return WC_PAD_ID_STAND_DREAM;
 	case WC_EXT_PACK:
 		return WC_PAD_ID_EXT_BATT_PACK;
 	case WC_EXT_PACK_TA:
 		return WC_PAD_ID_EXT_BATT_PACK_TA;
 	default:
 		break;
 	}

 	return 0;
 }

 void set_cisd_pad_data(struct sec_battery_info *battery, const char* buf)
 {
 	struct cisd* pcisd = &battery->cisd;
 	unsigned int pad_index, pad_total_count, pad_id, pad_count;
 	struct pad_data* pad_data;
 	int i, x;

 	pr_info("%s: %s\n", __func__, buf);
 	if (sscanf(buf, "%10d %n", &pad_index, &x) <= 0) {
 		pr_info("%s: failed to read pad index\n", __func__);
 		return;
 	}
 	buf += (size_t)x;
 	pr_info("%s: stored pad_index(%d)\n", __func__, pad_index);

 	if (pcisd->pad_count > 0)
 		init_cisd_pad_data(pcisd);

 	if (pcisd->pad_array == NULL) {
 		pr_info("%s: can't set the pad data because of null\n", __func__);
 		return;
 	}

 	if (!pad_index) {
 		for (i = WC_DATA_INDEX + 1; i < WC_DATA_MAX; i++) {
 			if (sscanf(buf, "%10d %n", &pad_count, &x) <= 0)
 				break;
 			buf += (size_t)x;

 			if (pad_count > 0) {
 				pad_id = convert_wc_index_to_pad_id(i);

 				mutex_lock(&pcisd->padlock);
 				if ((pad_data = find_pad_data_by_id(pcisd, pad_id)) != NULL)
 					pad_data->count = pad_count;
 				else
 					add_pad_data(pcisd, pad_id, pad_count);
 				mutex_unlock(&pcisd->padlock);
 			}
 		}
 	} else {
 		if ((sscanf(buf, "%10d %n", &pad_total_count, &x) <= 0) ||
 			(pad_total_count >= MAX_PAD_ID))
 			return;
 		buf += (size_t)x;

 		pr_info("%s: add pad data(count: %d)\n", __func__, pad_total_count);
 		for (i = 0; i < pad_total_count; i++) {
 			if (sscanf(buf, "0x%02x:%10d %n", &pad_id, &pad_count, &x) != 2) {
 				pr_info("%s: failed to read pad data(0x%x, %d, %d)!!!re-init pad data\n",
 					__func__, pad_id, pad_count, x);
 				init_cisd_pad_data(pcisd);
 				break;
 			}
 			buf += (size_t)x;

 			mutex_lock(&pcisd->padlock);
 			if ((pad_data = find_pad_data_by_id(pcisd, pad_id)) != NULL)
 				pad_data->count = pad_count;
 			else
 				add_pad_data(pcisd, pad_id, pad_count);
 			mutex_unlock(&pcisd->padlock);
 		}
 	}
 }
	/*
	* sec_cisd.c
	* Samsung Mobile Battery Driver
	*
	* Copyright (C) 2012 Samsung Electronics
	*
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/
	#include "include/sec_battery.h"
	#include "include/sec_cisd.h"

	#if defined(CONFIG_SEC_ABC)
	#include <linux/sti/abc_common.h>
	#endif

	const char *cisd_data_str[] = {
	"RESET_ALG", "ALG_INDEX", "FULL_CNT", "CAP_MAX", "CAP_MIN", "RECHARGING_CNT", "VALERT_CNT",
	"BATT_CYCLE", "WIRE_CNT", "WIRELESS_CNT", "HIGH_SWELLING_CNT", "LOW_SWELLING_CNT",
	"SWELLING_CHARGING", "SWELLING_FULL_CNT", "SWELLING_RECOVERY_CNT", "AICL_CNT", "BATT_THM_MAX",
	"BATT_THM_MIN", "CHG_THM_MAX", "CHG_THM_MIN", "WPC_THM_MAX", "WPC_THM_MIN", "USB_THM_MAX", "USB_THM_MIN",
	"CHG_BATT_THM_MAX", "CHG_BATT_THM_MIN", "CHG_CHG_THM_MAX", "CHG_CHG_THM_MIN", "CHG_WPC_THM_MAX",
	"CHG_WPC_THM_MIN", "CHG_USB_THM_MAX", "CHG_USB_THM_MIN", "USB_OVERHEAT_CHARGING", "UNSAFETY_VOLT",
	"UNSAFETY_TEMP", "SAFETY_TIMER", "VSYS_OVP", "VBAT_OVP", "USB_OVERHEAT_RAPID_CHANGE", "BUCK_OFF",
	"USB_OVERHEAT_ALONE", "DROP_SENSOR"
	};
	const char *cisd_data_str_d[] = {
	"FULL_CNT_D", "CAP_MAX_D", "CAP_MIN_D", "RECHARGING_CNT_D", "VALERT_CNT_D", "WIRE_CNT_D", "WIRELESS_CNT_D",
	"HIGH_SWELLING_CNT_D", "LOW_SWELLING_CNT_D", "SWELLING_CHARGING_D", "SWELLING_FULL_CNT_D",
	"SWELLING_RECOVERY_CNT_D", "AICL_CNT_D", "BATT_THM_MAX_D", "BATT_THM_MIN_D", "CHG_THM_MAX_D",
	"CHG_THM_MIN_D", "WPC_THM_MAX_D", "WPC_THM_MIN_D", "USB_THM_MAX_D", "USB_THM_MIN_D",
	"CHG_BATT_THM_MAX_D", "CHG_BATT_THM_MIN_D", "CHG_CHG_THM_MAX_D", "CHG_CHG_THM_MIN_D",
	"CHG_WPC_THM_MAX_D", "CHG_WPC_THM_MIN_D", "CHG_USB_THM_MAX_D", "CHG_USB_THM_MIN_D",
	"USB_OVERHEAT_CHARGING_D", "UNSAFETY_VOLT_D", "UNSAFETY_TEMP_D", "SAFETY_TIMER_D", "VSYS_OVP_D",
	"VBAT_OVP_D", "USB_OVERHEAT_RAPID_CHANGE_D", "BUCK_OFF_D", "USB_OVERHEAT_ALONE_D", "DROP_SENSOR_D"
	};

	const char *cisd_cable_data_str[] = {"INDEX", "TA", "AFC", "AFC_FAIL", "QC", "QC_FAIL", "PD", "PD_HIGH"};

	bool sec_bat_cisd_check(struct sec_battery_info *battery)
	{
	union power_supply_propval capcurr_val = {0, };
	union power_supply_propval vbat_val = {0, };
	struct cisd *pcisd = &battery->cisd;
	bool ret = false;

	if (battery->factory_mode \|\| battery->is_jig_on \|\| battery->skip_cisd) {
	dev_info(battery->dev, "%s: No need to check in factory mode\n",
	__func__);
	return ret;
	}

	if ((battery->status == POWER_SUPPLY_STATUS_CHARGING) \|\|
	(battery->status == POWER_SUPPLY_STATUS_FULL)) {

	/* check abnormal vbat */
	pcisd->ab_vbat_check_count = battery->voltage_now > pcisd->max_voltage_thr ?
	pcisd->ab_vbat_check_count + 1 : 0;

	if ((pcisd->ab_vbat_check_count >= pcisd->ab_vbat_max_count) &&
	!(pcisd->state & CISD_STATE_OVER_VOLTAGE)) {
	dev_info(battery->dev, "%s : [CISD] Battery Over Voltage Protction !! vbat(%d)mV\n",
	__func__, battery->voltage_now);
	vbat_val.intval = true;
	psy_do_property("battery", set, POWER_SUPPLY_EXT_PROP_VBAT_OVP,
	vbat_val);
	pcisd->data[CISD_DATA_VBAT_OVP]++;
	pcisd->data[CISD_DATA_VBAT_OVP_PER_DAY]++;
	pcisd->state \|= CISD_STATE_OVER_VOLTAGE;
	#if defined(CONFIG_SEC_ABC)
	sec_abc_send_event("MODULE=battery@ERROR=over_voltage");
	#endif
	}

	if (battery->temperature > pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX])
	pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX] = battery->temperature;
	if (battery->temperature < pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN])
	pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN] = battery->temperature;

	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX])
	pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX] = battery->chg_temp;
	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN])
	pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN] = battery->chg_temp;

	if (battery->wpc_temp > pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX])
	pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX] = battery->wpc_temp;
	if (battery->wpc_temp < pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN])
	pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN] = battery->wpc_temp;

	if (battery->usb_temp > pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX])
	pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX] = battery->usb_temp;
	if (battery->usb_temp < pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN])
	pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN] = battery->usb_temp;

	if (battery->temperature > pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY] = battery->temperature;
	if (battery->temperature < pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY] = battery->temperature;

	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY] = battery->chg_temp;
	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY] = battery->chg_temp;

	if (battery->wpc_temp > pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY] = battery->wpc_temp;
	if (battery->wpc_temp < pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY] = battery->wpc_temp;

	if (battery->usb_temp > pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY] = battery->usb_temp;
	if (battery->usb_temp < pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY] = battery->usb_temp;

	if (battery->usb_temp > 800 && !battery->usb_overheat_check) {
	battery->cisd.data[CISD_DATA_USB_OVERHEAT_CHARGING]++;
	battery->cisd.data[CISD_DATA_USB_OVERHEAT_CHARGING_PER_DAY]++;
	battery->usb_overheat_check = true;
	}
	} else {
	/* discharging */
	if (battery->status == POWER_SUPPLY_STATUS_NOT_CHARGING) {
	/* check abnormal vbat */
	pcisd->ab_vbat_check_count = battery->voltage_now > pcisd->max_voltage_thr ?
	pcisd->ab_vbat_check_count + 1 : 0;

	if ((pcisd->ab_vbat_check_count >= pcisd->ab_vbat_max_count) &&
	!(pcisd->state & CISD_STATE_OVER_VOLTAGE)) {
	pcisd->data[CISD_DATA_VBAT_OVP]++;
	pcisd->data[CISD_DATA_VBAT_OVP_PER_DAY]++;
	pcisd->state \|= CISD_STATE_OVER_VOLTAGE;
	#if defined(CONFIG_SEC_ABC)
	sec_abc_send_event("MODULE=battery@ERROR=over_voltage");
	#endif
	}
	}

	capcurr_val.intval = SEC_BATTERY_CAPACITY_FULL;
	psy_do_property(battery->pdata->fuelgauge_name, get,
	POWER_SUPPLY_PROP_ENERGY_NOW, capcurr_val);
	if (capcurr_val.intval == -1) {
	dev_info(battery->dev, "%s: [CISD] FG I2C fail. skip cisd check \n", __func__);
	return ret;
	}

	if (capcurr_val.intval > pcisd->data[CISD_DATA_CAP_MAX])
	pcisd->data[CISD_DATA_CAP_MAX] = capcurr_val.intval;
	if (capcurr_val.intval < pcisd->data[CISD_DATA_CAP_MIN])
	pcisd->data[CISD_DATA_CAP_MIN] = capcurr_val.intval;

	if (capcurr_val.intval > pcisd->data[CISD_DATA_CAP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CAP_MAX_PER_DAY] = capcurr_val.intval;
	if (capcurr_val.intval < pcisd->data[CISD_DATA_CAP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CAP_MIN_PER_DAY] = capcurr_val.intval;
	}

	if (battery->temperature > pcisd->data[CISD_DATA_BATT_TEMP_MAX])
	pcisd->data[CISD_DATA_BATT_TEMP_MAX] = battery->temperature;
	if (battery->temperature < battery->cisd.data[CISD_DATA_BATT_TEMP_MIN])
	pcisd->data[CISD_DATA_BATT_TEMP_MIN] = battery->temperature;

	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_TEMP_MAX])
	pcisd->data[CISD_DATA_CHG_TEMP_MAX] = battery->chg_temp;
	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_TEMP_MIN])
	pcisd->data[CISD_DATA_CHG_TEMP_MIN] = battery->chg_temp;

	if (battery->wpc_temp > pcisd->data[CISD_DATA_WPC_TEMP_MAX])
	pcisd->data[CISD_DATA_WPC_TEMP_MAX] = battery->wpc_temp;
	if (battery->wpc_temp < battery->cisd.data[CISD_DATA_WPC_TEMP_MIN])
	pcisd->data[CISD_DATA_WPC_TEMP_MIN] = battery->wpc_temp;

	if (battery->usb_temp > pcisd->data[CISD_DATA_USB_TEMP_MAX])
	pcisd->data[CISD_DATA_USB_TEMP_MAX] = battery->usb_temp;
	if (battery->usb_temp < pcisd->data[CISD_DATA_USB_TEMP_MIN])
	pcisd->data[CISD_DATA_USB_TEMP_MIN] = battery->usb_temp;

	if (battery->temperature > pcisd->data[CISD_DATA_BATT_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_BATT_TEMP_MAX_PER_DAY] = battery->temperature;
	if (battery->temperature < pcisd->data[CISD_DATA_BATT_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_BATT_TEMP_MIN_PER_DAY] = battery->temperature;

	if (battery->chg_temp > pcisd->data[CISD_DATA_CHG_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_CHG_TEMP_MAX_PER_DAY] = battery->chg_temp;
	if (battery->chg_temp < pcisd->data[CISD_DATA_CHG_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_CHG_TEMP_MIN_PER_DAY] = battery->chg_temp;

	if (battery->wpc_temp > pcisd->data[CISD_DATA_WPC_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_WPC_TEMP_MAX_PER_DAY] = battery->wpc_temp;
	if (battery->wpc_temp < pcisd->data[CISD_DATA_WPC_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_WPC_TEMP_MIN_PER_DAY] = battery->wpc_temp;

	if (battery->usb_temp > pcisd->data[CISD_DATA_USB_TEMP_MAX_PER_DAY])
	pcisd->data[CISD_DATA_USB_TEMP_MAX_PER_DAY] = battery->usb_temp;
	if (battery->usb_temp < pcisd->data[CISD_DATA_USB_TEMP_MIN_PER_DAY])
	pcisd->data[CISD_DATA_USB_TEMP_MIN_PER_DAY] = battery->usb_temp;

	return ret;
	}

	struct cisd *gcisd;
	void sec_battery_cisd_init(struct sec_battery_info *battery)
	{
	battery->cisd.state = CISD_STATE_NONE;

	battery->cisd.data[CISD_DATA_ALG_INDEX] = battery->pdata->cisd_alg_index;
	battery->cisd.data[CISD_DATA_FULL_COUNT] = 1;
	battery->cisd.data[CISD_DATA_BATT_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_CHG_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_WPC_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_USB_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_BATT_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CHG_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_WPC_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_USB_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MAX] = -300;
	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MIN] = 1000;
	battery->cisd.data[CISD_DATA_CAP_MIN] = 0xFFFF;

	battery->cisd.data[CISD_DATA_FULL_COUNT_PER_DAY] = 1;
	battery->cisd.data[CISD_DATA_BATT_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_CHG_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_WPC_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_USB_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_BATT_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_CHG_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_WPC_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_USB_TEMP_MIN_PER_DAY] = 1000;

	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MAX_PER_DAY] = -300;
	battery->cisd.data[CISD_DATA_CHG_BATT_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_CHG_CHG_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_CHG_WPC_TEMP_MIN_PER_DAY] = 1000;
	battery->cisd.data[CISD_DATA_CHG_USB_TEMP_MIN_PER_DAY] = 1000;

	battery->cisd.ab_vbat_max_count = 2; /* should be 2 */
	battery->cisd.ab_vbat_check_count = 0;
	battery->cisd.max_voltage_thr = battery->pdata->max_voltage_thr;

	/* set cisd pointer */
	gcisd = &battery->cisd;

	/* initialize pad data */
	mutex_init(&battery->cisd.padlock);
	init_cisd_pad_data(&battery->cisd);
	}

	static struct pad_data* create_pad_data(unsigned int pad_id, unsigned int pad_count)
	{
	struct pad_data* temp_data;

	temp_data = kzalloc(sizeof(struct pad_data), GFP_KERNEL);
	if (temp_data == NULL)
	return NULL;

	temp_data->id = pad_id;
	temp_data->count = pad_count;
	temp_data->prev = temp_data->next = NULL;

	return temp_data;
	}

	static struct pad_data* find_pad_data_by_id(struct cisd* cisd, unsigned int pad_id)
	{
	struct pad_data* temp_data = cisd->pad_array->next;

	if (cisd->pad_count <= 0 \|\| temp_data == NULL)
	return NULL;

	while ((temp_data->id != pad_id) &&
	((temp_data = temp_data->next) != NULL));

	return temp_data;
	}

	static void add_pad_data(struct cisd* cisd, unsigned int pad_id, unsigned int pad_count)
	{
	struct pad_data* temp_data = cisd->pad_array->next;
	struct pad_data* pad_data;

	if (pad_id == 0 \|\| pad_id >= MAX_PAD_ID)
	return;

	pad_data = create_pad_data(pad_id, pad_count);
	if (pad_data == NULL)
	return;

	pr_info("%s: id(0x%x), count(%d)\n", __func__, pad_id, pad_count);
	while (temp_data) {
	if (temp_data->id > pad_id) {
	temp_data->prev->next = pad_data;
	pad_data->prev = temp_data->prev;
	pad_data->next = temp_data;
	temp_data->prev = pad_data;
	cisd->pad_count++;
	return;
	}
	temp_data = temp_data->next;
	}

	pr_info("%s: failed to add pad_data(%d, %d)\n",
	__func__, pad_id, pad_count);
	kfree(pad_data);
	}

	void init_cisd_pad_data(struct cisd* cisd)
	{
	struct pad_data* temp_data = cisd->pad_array;

	mutex_lock(&cisd->padlock);
	while (temp_data) {
	struct pad_data* next_data = temp_data->next;

	kfree(temp_data);
	temp_data = next_data;
	}

	/* create dummy data */
	cisd->pad_array = create_pad_data(0, 0);
	if (cisd->pad_array == NULL)
	goto err_create_dummy_data;
	temp_data = create_pad_data(MAX_PAD_ID, 0);
	if (temp_data == NULL) {
	kfree(cisd->pad_array);
	cisd->pad_array = NULL;
	goto err_create_dummy_data;
	}
	cisd->pad_count = 0;
	cisd->pad_array->next = temp_data;
	temp_data->prev = cisd->pad_array;

	err_create_dummy_data:
	mutex_unlock(&cisd->padlock);
	}

	void count_cisd_pad_data(struct cisd* cisd, unsigned int pad_id)
	{
	struct pad_data* pad_data;

	if (cisd->pad_array == NULL) {
	pr_info("%s: can't update the connected count of pad_id(0x%x) because of null\n",
	__func__, pad_id);
	return;
	}

	mutex_lock(&cisd->padlock);
	if ((pad_data = find_pad_data_by_id(cisd, pad_id)) != NULL)
	pad_data->count++;
	else
	add_pad_data(cisd, pad_id, 1);
	mutex_unlock(&cisd->padlock);
	}

	static unsigned int convert_wc_index_to_pad_id(unsigned int wc_index)
	{
	switch (wc_index) {
	case WC_SNGL_NOBLE:
	return WC_PAD_ID_SNGL_NOBLE;
	case WC_SNGL_VEHICLE:
	return WC_PAD_ID_SNGL_VEHICLE;
	case WC_SNGL_MINI:
	return WC_PAD_ID_SNGL_MINI;
	case WC_SNGL_ZERO:
	return WC_PAD_ID_SNGL_ZERO;
	case WC_SNGL_DREAM:
	return WC_PAD_ID_SNGL_DREAM;
	case WC_STAND_HERO:
	return WC_PAD_ID_STAND_HERO;
	case WC_STAND_DREAM:
	return WC_PAD_ID_STAND_DREAM;
	case WC_EXT_PACK:
	return WC_PAD_ID_EXT_BATT_PACK;
	case WC_EXT_PACK_TA:
	return WC_PAD_ID_EXT_BATT_PACK_TA;
	default:
	break;
	}

	return 0;
	}

	void set_cisd_pad_data(struct sec_battery_info battery, const char buf)
	{
	struct cisd* pcisd = &battery->cisd;
	unsigned int pad_index, pad_total_count, pad_id, pad_count;
	struct pad_data* pad_data;
	int i, x;

	pr_info("%s: %s\n", __func__, buf);
	if (sscanf(buf, "%10d %n", &pad_index, &x) <= 0) {
	pr_info("%s: failed to read pad index\n", __func__);
	return;
	}
	buf += (size_t)x;
	pr_info("%s: stored pad_index(%d)\n", __func__, pad_index);

	if (pcisd->pad_count > 0)
	init_cisd_pad_data(pcisd);

	if (pcisd->pad_array == NULL) {
	pr_info("%s: can't set the pad data because of null\n", __func__);
	return;
	}

	if (!pad_index) {
	for (i = WC_DATA_INDEX + 1; i < WC_DATA_MAX; i++) {
	if (sscanf(buf, "%10d %n", &pad_count, &x) <= 0)
	break;
	buf += (size_t)x;

	if (pad_count > 0) {
	pad_id = convert_wc_index_to_pad_id(i);

	mutex_lock(&pcisd->padlock);
	if ((pad_data = find_pad_data_by_id(pcisd, pad_id)) != NULL)
	pad_data->count = pad_count;
	else
	add_pad_data(pcisd, pad_id, pad_count);
	mutex_unlock(&pcisd->padlock);
	}
	}
	} else {
	if ((sscanf(buf, "%10d %n", &pad_total_count, &x) <= 0) \|\|
	(pad_total_count >= MAX_PAD_ID))
	return;
	buf += (size_t)x;

	pr_info("%s: add pad data(count: %d)\n", __func__, pad_total_count);
	for (i = 0; i < pad_total_count; i++) {
	if (sscanf(buf, "0x%02x:%10d %n", &pad_id, &pad_count, &x) != 2) {
	pr_info("%s: failed to read pad data(0x%x, %d, %d)!!!re-init pad data\n",
	__func__, pad_id, pad_count, x);
	init_cisd_pad_data(pcisd);
	break;
	}
	buf += (size_t)x;

	mutex_lock(&pcisd->padlock);
	if ((pad_data = find_pad_data_by_id(pcisd, pad_id)) != NULL)
	pad_data->count = pad_count;
	else
	add_pad_data(pcisd, pad_id, pad_count);
	mutex_unlock(&pcisd->padlock);
	}
	}
	}