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novatek.c
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novatek.c
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/*
* drivers/input/touchscreen/novatek_ts.c
*
* Novatek TouchScreen driver.
*
* Copyright (c) 2010 Novatek tech Ltd.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/pm.h>
#include <linux/earlysuspend.h>
#endif
#include "linux/amlogic/input/common.h"
#include <linux/hrtimer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include "linux/amlogic/input/novatek.h"
struct tp_event {
u16 x;
u16 y;
s16 id;
u16 pressure;
u8 touch_point;
u8 flag;
};
struct novatek_ts_data {
uint16_t addr;
uint8_t bad_data;
struct i2c_client *client;
struct input_dev *input_dev;
int use_reset; //use RESET flag
int use_irq; //use EINT flag
int read_mode; //read moudle mode,20110221 by andrew
struct hrtimer timer;
struct work_struct work;
char phys[32];
int retry;
struct early_suspend early_suspend;
int (*power)(struct novatek_ts_data * ts, int on);
uint16_t abs_x_max;
uint16_t abs_y_max;
uint8_t max_touch_num;
uint8_t int_trigger_type;
uint8_t green_wake_mode;
};
#if 0
#define KFprintk(x...) printk(x)
#else
#define KFprintk(x...) do{} while(0)
#endif
//static struct early_suspend novatek_power; //for ealy suspend
static struct i2c_client *this_client;
//#include "ctp_platform_ops.h"
//#define TOUCH_KEY_LIGHT_SUPPORT
extern struct touch_pdata *ts_com;
static int SW_INT_IRQNO_PIO = 0;
static struct i2c_client *this_client;
//static int gpio_int_hdle = 0;
//static int gpio_wakeup_hdle = 0;
//static int gpio_reset_hdle = 0;
#ifdef TOUCH_KEY_LIGHT_SUPPORT
static int gpio_light_hdle = 0;
#endif
#ifdef TOUCH_KEY_SUPPORT
static int key_tp = 0;
static int key_val = 0;
#endif
/* version list ¡êoPlease list the version when you modify
Rocky@inet@20111022 :
Rocky@inet@20120131 :
*/
#define VERSION "1.0"
#define PRINT_INT_INFO
//Rocky@20111019-
//static void* __iomem gpio_addr = NULL;
static int screen_max_x = 0;
static int screen_max_y = 0;
//static int revert_x_flag = 0;
//static int revert_y_flag = 0;
//static int exchange_x_y_flag = 0;
//static int ctp_reset_enable = 0;
//static int ctp_wakeup_enable = 0;
//static int ctp_havekey=0;
/* Addresses to scan */
//static union{
// unsigned short dirty_addr_buf[2];
// const unsigned short normal_i2c[2];
//}u_i2c_addr = {{0x00},};
//static __u32 twi_id = 0;
#define SCREEN_MAX_X (screen_max_x)
#define SCREEN_MAX_Y (screen_max_y)
#define PRESS_MAX 255
//static int key_down_status = 0;
//Rocky@20110923 +
#define ROTATION_90 1
#define SCREEN_YCOUNT screen_max_x
#define SCREEN_XCOUNT screen_max_y
//Rocky@20110923 -
//Rocky@20111019+
#define KEY_PRESS 1
#define KEY_RELEASE 0
#define CFG_NUMOFKEYS 4
//static const button[CFG_NUMOFKEYS] = {KEY_BACK,KEY_HOME,KEY_MENU,KEY_ENTER};
//static const int button[CFG_NUMOFKEYS] = {KEY_SEARCH,KEY_BACK,KEY_HOME,KEY_MENU};
//Rocky@20111019-
int m_inet_ctpState;
struct ntp_ts_data
{
struct i2c_client *client;
struct input_dev *input_dev;
struct work_struct pen_event_work;
struct workqueue_struct *ts_workqueue;
u8 key_status;//Rocky@20111019+
u8 old_status;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend early_suspend;
#endif
};
/*******************************************************
Description:
Read data from the i2c slave device;
This operation consisted of 2 i2c_msgs,the first msg used
to write the operate address,the second msg used to read data.
Parameter:
client: i2c device.
buf[0]:operate address.
buf[1]~buf[len]:read data buffer.
len:operate length.
return:
numbers of i2c_msgs to transfer
*********************************************************/
static int i2c_read_bytes(struct i2c_client *client, uint8_t *buf, int len)
{
struct i2c_msg msgs[2];
int ret=-1;
int retries = 0;
msgs[0].flags=!I2C_M_RD;
msgs[0].addr=client->addr;
msgs[0].len=1;
msgs[0].buf=&buf[0];
msgs[1].flags=I2C_M_RD;
msgs[1].addr=client->addr;
msgs[1].len=len-1;
msgs[1].buf=&buf[1];
while(retries<5)
{
ret=i2c_transfer(client->adapter,msgs, 2);
if(ret == 2)break;
retries++;
}
return ret;
}
/*******************************************************
Description:
write data to the i2c slave device.
Parameter:
client: i2c device.
buf[0]:operate address.
buf[1]~buf[len]:write data buffer.
len:operate length.
return:
numbers of i2c_msgs to transfer.
*********************************************************/
static int i2c_write_bytes(struct i2c_client *client,uint8_t *data,int len)
{
struct i2c_msg msg;
int ret=-1;
int retries = 0;
msg.flags=!I2C_M_RD;
msg.addr=client->addr;
msg.len=len;
msg.buf=data;
while(retries<5)
{
ret=i2c_transfer(client->adapter,&msg, 1);
if(ret == 1)break;
retries++;
}
return ret;
}
static void ntp_reset(void)
{
//wake up
pr_info("ntp_reset. \n");
aml_gpio_direction_output(ts_com->gpio_reset, 1);
mdelay(20);
aml_gpio_direction_output(ts_com->gpio_reset, 0);
mdelay(50);
aml_gpio_direction_output(ts_com->gpio_reset, 1);
mdelay(500);
}
#ifdef NTP_APK_DRIVER_FUNC_SUPPORT
#define NTP_DEVICE_NAME "NVTflash"
struct ntp_flash_data
{
rwlock_t lock;
unsigned char bufferIndex;
unsigned int length;
struct i2c_client *client;
};
static int ntp_apk_mode = 0;
static struct proc_dir_entry *ntp_proc_entry;
static struct ntp_flash_data *ntp_flash_priv;
/*******************************************************
Description:
Novatek touchscreen control driver initialize function.
Parameter:
priv: i2c client private struct.
return:
Executive outcomes.0---succeed.
*******************************************************/
int ntp_flash_write(struct file *file, const char __user *buff, size_t count, loff_t *offp)
{
struct i2c_msg msgs[2];
char *str;
int ret=-1;
int retries = 0;
//file->private_data = (uint8_t *)kmalloc(64, GFP_KERNEL);
//str = file->private_data;
str = (uint8_t *)kmalloc(64, GFP_KERNEL);
ret = copy_from_user(str, buff, count);
//set addr
if((str[0] == 0x7F)||(str[0] == (0x7F<<1)))
{
msgs[0].addr = NOVATEK_HW_ADDR;
}
else
{
msgs[0].addr = NOVATEK_TS_ADDR;
}
msgs[0].flags = !I2C_M_RD;
//msgs[0].addr = str[0];
msgs[0].len = str[1];
msgs[0].buf = &str[2];
while(retries < 20)
{
ret = i2c_transfer(ntp_flash_priv->client->adapter, msgs, 1);
if(ret == 1)
{
break;
}
else
{
pr_info("write error %d\n", retries);
}
retries++;
}
kfree(str);
return ret;
}
int ntp_flash_read(struct file *file, char __user *buff, size_t count, loff_t *offp)
{
struct i2c_msg msgs[2];
char *str;
int ret = -1;
int retries = 0;
//file->private_data = (uint8_t *)kmalloc(64, GFP_KERNEL);
//str = file->private_data;
str = (uint8_t *)kmalloc(64, GFP_KERNEL);
if(copy_from_user(str, buff, count))
{
return -EFAULT;
}
//set addr
if((str[0] == 0x7F)||(str[0] == (0x7F<<1)))
{
msgs[0].addr = NOVATEK_HW_ADDR;
msgs[1].addr = NOVATEK_HW_ADDR;
}
else
{
msgs[0].addr = NOVATEK_TS_ADDR;
msgs[1].addr = NOVATEK_TS_ADDR;
}
msgs[0].flags = !I2C_M_RD;
//msgs[0].addr = str[0];
msgs[0].len = 1;
msgs[0].buf = &str[2];
msgs[1].flags = I2C_M_RD;
//msgs[1].addr = str[0];
msgs[1].len = str[1]-1;
msgs[1].buf = &str[3];
while(retries < 20)
{
ret = i2c_transfer(ntp_flash_priv->client->adapter, msgs, 2);
if(ret == 2)
{
break;
}
else
{
pr_info("read error %d\n", retries);
}
retries++;
}
ret = copy_to_user(buff, str, count);
kfree(str);
return ret;
}
int ntp_flash_open(struct inode *inode, struct file *file)
{
struct ntp_flash_data *dev;
//pr_info("ntp_flash_open\n");
dev = kmalloc(sizeof(struct ntp_flash_data), GFP_KERNEL);
if (dev == NULL)
{
return -ENOMEM;
}
rwlock_init(&dev->lock);
file->private_data = dev;
ntp_apk_mode = 1;
return 0;
}
int ntp_flash_close(struct inode *inode, struct file *file)
{
struct ntp_flash_data *dev = file->private_data;
//pr_info("ntp_flash_close\n");
ntp_apk_mode = 0;
if (dev)
{
kfree(dev);
}
return 0;
}
struct file_operations ntp_flash_fops =
{
.owner = THIS_MODULE,
.open = ntp_flash_open,
.release = ntp_flash_close,
.write = ntp_flash_write,
.read = ntp_flash_read,
};
static int ntp_flash_init(void)
{
int ret = 0;
ntp_proc_entry = proc_create(NTP_DEVICE_NAME, 0666, NULL, &ntp_flash_fops);
if(ntp_proc_entry == NULL)
{
pr_info("Couldn't create proc entry!\n");
ret = -ENOMEM;
return ret;
}
ntp_flash_priv = kzalloc(sizeof(*ntp_flash_priv), GFP_KERNEL);
ntp_flash_priv->client = this_client;
pr_info("NVT_flash driver loaded\n");
return 0;
}
#endif // NTP_APK_DRIVER_FUNC_SUPPORT
#ifdef NVT_BOOTLOADER_FUNC_SUPPORT
enum
{
RS_OK = 0,
RS_INIT_ER = 8,
RS_VERI_ER = 9,
RS_ERAS_ER = 10,
RS_WRDA_ER = 11,
RS_UPFW_ER = 12
} ;
#if defined(NT11002)
#include "nt11002_firmware.h"
#define NTP_FLASH_SIZE (0x4000) // 16k bytes
#define NTP_UPDATE_SIZE (0x3800) // 14k bytes
#define NTP_SECTOR_SIZE (0x800) // 2k bytes
#define NTP_PAGE_SIZE (0x80) // 128 bytes
#define NTP_SECTOR_NUM (NTP_FLASH_SIZE/NTP_SECTOR_SIZE)
#endif
#if defined(NT11003)
#include "linux/amlogic/input/RTR7_31x16_nabi2C_N327_V1.h"
#include "linux/amlogic/input/EDT7_29x19_nabi2C_N327_V1.h"
#define NTP_FLASH_SIZE (0x8000) // 32K bytes
#define NTP_UPDATE_SIZE (0x8000) // 32K bytes
#define NTP_SECTOR_SIZE (0x80) // 128 bytes
#define NTP_PAGE_SIZE (0x80) // 128 bytes
#define NTP_SECTOR_NUM (NTP_FLASH_SIZE/NTP_SECTOR_SIZE)
#endif
unsigned char *ntp_fw_data_ptr;
static int ntp_bl_read_bytes(struct i2c_client *client, unsigned char addr, unsigned char *buf, int len)
{
struct i2c_msg msgs[2];
int ret = -1;
int retries = 0;
msgs[0].flags= !I2C_M_RD;
msgs[0].addr = addr;
msgs[0].len = 1;
msgs[0].buf = &buf[0];
msgs[1].flags= I2C_M_RD;
msgs[1].addr = addr;
msgs[1].len = len-1;
msgs[1].buf = &buf[1];
while(retries < 3)
{
ret = i2c_transfer(client->adapter,msgs, 2);
if(ret == 2)
{
break;
}
retries++;
}
return ret;
}
static int ntp_bl_write_bytes(struct i2c_client *client, unsigned char addr, unsigned char *buf, int len)
{
struct i2c_msg msg;
int ret = -1;
int retries = 0;
msg.flags = !I2C_M_RD;
msg.addr = addr;
msg.len = len;
msg.buf = buf;
while(retries < 3)
{
ret = i2c_transfer(client->adapter,&msg, 1);
if(ret == 1)
{
break;
}
retries++;
}
return ret;
}
void ntp_bl_delay_ms(unsigned long ms)
{
msleep(ms);
}
void ntp_bl_reset(void)
{
ntp_reset();
}
#if defined(NT11002)
static int ntp_bl_erase_flash_sector(struct i2c_client *client, int sec)
{
unsigned char cmd[4] = {0};
int ret = RS_ERAS_ER;
int count = 0;
while(count < 5)
{
cmd[0] = 0x00;
cmd[1] = 0x33;
cmd[2] = (unsigned char)((sec*NTP_SECTOR_SIZE)>>8);
cmd[3] = (unsigned char)((sec*NTP_SECTOR_SIZE)&0xFF);
ret = ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, cmd, 4);
if (ret <= 0)
{
pr_info("I2C transfer error. Number:%d\n ", ret);
}
ntp_bl_delay_ms(40);
/*Read status*/
ret = ntp_bl_read_bytes(client, NOVATEK_HW_ADDR, cmd, 2);
if (ret <= 0)
{
pr_info("I2C transfer error. Number:%d\n ", ret);
}
pr_info("ntp_bl_erase_flash_sector: sec = %x, cmd[1] = %x\n ", sec, cmd[1]);
if(cmd[1] == 0xAA)
{
return 1;
}
count++;
}
return -1;
}
static int ntp_bl_erase_flash(struct i2c_client *client)
{
int i;
int ret= RS_ERAS_ER;
for(i = 0; i < NTP_SECTOR_NUM; i++)
{
ret = ntp_bl_erase_flash_sector(client, i);
if (ret <= 0)
{
pr_info("ntp_bl_erase_flash error\n ", ret);
return RS_ERAS_ER;
}
}
return RS_OK;
}
static int ntp_bl_verify_fw(struct i2c_client *client)
{
unsigned int checksum1, checksum2;
int i=0;
// get ic code checksum
unsigned char cmd1[3] = {0xFF, 0x0F, 0xFF};
unsigned char cmd2[2] = {0x00, 0xE1};
unsigned char cmd3[3] = {0xFF, 0x0A, 0x0D};
unsigned char buf[8];
ntp_bl_delay_ms(250);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd1, 3);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd2, 2);
ntp_bl_delay_ms(1000);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd3, 3);
buf[0] = 0;
ntp_bl_read_bytes(client, NOVATEK_TS_ADDR, buf, 3);
checksum1 = (((unsigned int)buf[1])<<8)|((unsigned int)buf[2]);
checksum1 = (checksum1&0xFFFF);
// get bin file checksum
checksum2 = 0;
while(i < NTP_UPDATE_SIZE)
{
checksum2 += ntp_fw_data_ptr[i];
i++;
}
checksum2 = (checksum2&0xFFFF);
pr_info("ic checksum = %x, bin checksum = %x \n", checksum1, checksum2);
if(checksum1 != checksum2)
{
return RS_VERI_ER;
}
else
{
return RS_OK;
}
}
#endif
#if defined(NT11003)
static int ntp_bl_erase_flash_mass(struct i2c_client *client)
{
unsigned char i;
unsigned char buf[8] = {0};
int ret = RS_ERAS_ER;
buf[0] = 0x00;
buf[1] = 0x33;
for(i = 5; i > 0; i--)
{
buf[2] = 0x00;
ret = ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, buf, 3);
if (ret <= 0)
{
pr_info("I2C transfer error!\n ");
}
ntp_bl_delay_ms(25);
// Read status
ret = ntp_bl_read_bytes(client, NOVATEK_HW_ADDR, buf, 2);
if (ret <= 0)
{
pr_info("I2C transfer error!\n ");
}
if(buf[1] == 0xAA)
{
ret = RS_OK;
break;
}
ntp_bl_delay_ms(1);
}
return ret;
}
int ntp_bl_erase_flash(struct i2c_client *client)
{
pr_info("ntp_bl_erase_flash \n");
return ntp_bl_erase_flash_mass(client);
}
static int ntp_bl_verify_fw(struct i2c_client *client)
{
unsigned char buf[8];
unsigned int checksum1, checksum2;
// unsigned int i = 0;
// get dynamic checksum from ic
unsigned char cmd1[3] = {0xFF, 0x8F, 0xFF};
unsigned char cmd2[2] = {0x00, 0xE1};
unsigned char cmd3[3] = {0xFF, 0x8E, 0x0E};
ntp_bl_delay_ms(250);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd1, 3);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd2, 2);
ntp_bl_delay_ms(1000);
ntp_bl_write_bytes(client, NOVATEK_TS_ADDR, cmd3, 3);
buf[0] = 0;
ntp_bl_read_bytes(client, NOVATEK_TS_ADDR, buf, 3);
checksum1 = (((unsigned int)buf[1])<<8)|((unsigned int)buf[2]);
checksum1 = checksum1&0xFFFF;
// get checksum from data file
#if 0
while( i< NTP_FLASH_SIZE)
{
checksum2 += ntp_fw_data_ptr[i];
i++;
}
#endif
checksum2 = ((unsigned short)(ntp_fw_data_ptr[NTP_FLASH_SIZE-2]<<8))|((unsigned short)ntp_fw_data_ptr[NTP_FLASH_SIZE-1]);
checksum2 = checksum2&0xFFFF;
pr_info("ic checksum = %x, bin checksum = %x \n", checksum1, checksum2);
// Compare checksum
if(checksum1 != checksum2)
{
return RS_VERI_ER;
}
else
{
return RS_OK;
}
}
#endif
static int ntp_bl_init_bootloader(struct i2c_client *client)
{
int ret = RS_OK;
unsigned char buf[4];
buf[0] = 0x00;
buf[1] = 0xA5;
ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, buf, 2);
ntp_bl_delay_ms(10);
buf[0] = 0x00;
buf[1] = 0x00;
ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, buf, 2);
ntp_bl_delay_ms(2);
ntp_bl_read_bytes(client, NOVATEK_HW_ADDR, buf, 2);
pr_info("buf[1] = %x\n", buf[1]);
if(buf[1] != 0xAA)
{
pr_info("ntp_bl_init_bootloader: Error\n");
ret = RS_INIT_ER;
}
return ret;
}
static int ntp_bl_write_data_to_flash(struct i2c_client *client)
{
unsigned char ret = RS_OK;
unsigned char buf[16];
unsigned char checksum = 0;
int i;
// int count = 0;
unsigned int flash_addr;
unsigned int page;
pr_info("--%s--\n", __func__);
page = 0;
flash_addr = 0;
do{
pr_info("data writing ....... %d \n", page);
for (i = 0; i < 16; i++)
{
/* Write Data to flash*/
buf[0] = 0x00;
buf[1] = 0x55;
buf[2] = (unsigned char)(flash_addr >> 8);
buf[3] = (unsigned char)flash_addr;
buf[4] = 8;
buf[6] = ntp_fw_data_ptr[flash_addr + 0];
buf[7] = ntp_fw_data_ptr[flash_addr + 1];
buf[8] = ntp_fw_data_ptr[flash_addr + 2];
buf[9] = ntp_fw_data_ptr[flash_addr + 3];
buf[10]= ntp_fw_data_ptr[flash_addr + 4];
buf[11]= ntp_fw_data_ptr[flash_addr + 5];
buf[12]= ntp_fw_data_ptr[flash_addr + 6];
buf[13]= ntp_fw_data_ptr[flash_addr + 7];
checksum = ~(buf[2]+buf[3]+buf[4]+buf[6]+buf[7]+buf[8]+buf[9]+buf[10]+buf[11]+buf[12]+buf[13])+1;
buf[5] = checksum;
ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, buf, 14);
// ntp_bl_delay_ms(1);
flash_addr += 8;
}
ntp_bl_delay_ms(10);
page++;
}
while(flash_addr < NTP_UPDATE_SIZE);
return ret;
}
static int ntp_bl_update_fw(struct i2c_client *client)
{
// int i;
int ret = RS_OK;
int count = 0;
//pr_info("--%s--\n",__func__);
START_UPDATE:
// Init bootloader
ret = ntp_bl_init_bootloader(client);
if(ret != RS_OK)
{
pr_info("Init bootloader error \n");
return ret;
}
// Erase flash
ret = ntp_bl_erase_flash(client);
if(ret != RS_OK)
{
pr_info("Erase flash error \n");
return ret;
}
//Write data to flash
ret = ntp_bl_write_data_to_flash(client);
if(ret != RS_OK)
{
pr_info("Write data to flash error \n");
return ret;
}
// Verify update result
ntp_bl_reset();
if(ntp_bl_verify_fw(client) != RS_OK)
{
if(count < 3)
{
count++;
goto START_UPDATE;
}
else
{
printk("Update firmare fail!\n");
return RS_UPFW_ER;
}
}
pr_info("--%s-- ret = %d\n", __func__, ret);
return ret;
}
static int ntp_bl_bootloader(struct i2c_client *client)
{
int gpio_fw_value, i;
char fw_index[2] = {0xd,0xe};
u8 *fw_buf[] = {RTR7_31x16_nabi2C_N327_V1, EDT7_29x19_nabi2C_N327_V1};
pr_info("ntp_bl_bootloader\n");
ntp_fw_data_ptr = NULL;
/*
#ifdef NT11002
ntp_fw_data_ptr = nvctp_BinaryFile;
#endif
#ifdef NT11003
ntp_fw_data_ptr = nt11003_firmware;
#endif
*/
gpio_fw_value = get_gpio_fw(ts_com);
if (gpio_fw_value < 0)
{
printk("faild gpio_fw_value\n");
return -1;
}
for (i=0; i<sizeof(fw_index); i++)
{
if (gpio_fw_value == fw_index[i])
{
ntp_fw_data_ptr = fw_buf[i];
printk("use fw_buf[%d]\n", i);
break;
}
}
if(ntp_fw_data_ptr == NULL)
{
return -1;
}
if(ntp_bl_verify_fw(client) != RS_OK) // check if need update
{
pr_info("ntp_bl_bootloader: Start to update firmware\n");
ntp_bl_update_fw(client);
}
else
{
unsigned char buf[2] = {0};
pr_info("ntp_bl_bootloader: Firmware does not need to update\n");
buf[0] = 0x00;
buf[1] = 0xA5;
ntp_bl_write_bytes(client, NOVATEK_HW_ADDR, buf, 2);
}
ntp_bl_reset();
return 0;
}
#endif //NVT_BOOTLOADER_FUNC_SUPPORT
#ifdef NTP_CHARGER_DETECT_SUPPORT
static int ntp_charger_enable(struct i2c_client *client)
{
u8 cmd1[3] = {0xFF, 0x0F, 0xFF};
u8 cmd2[2] = {0x00, 0xDE};
i2c_write_bytes(client, cmd1, 3);
i2c_write_bytes(client, cmd2, 2);
}
static int ntp_charger_disable(struct i2c_client *client)
{
u8 cmd1[3] = {0xFF,0x0F,0xFF};
u8 cmd2[2] = {0x00,0xDF};
i2c_write_bytes(client, cmd1, 3);
i2c_write_bytes(client, cmd2, 2);
}
#endif // NTP_CHARGER_DETECT_SUPPORT
#ifdef CONFIG_HAS_EARLYSUSPEND
static void ntp_suspend(struct early_suspend *handler)
{
struct ntp_ts_data *ts = i2c_get_clientdata(this_client);
#if defined(NT11002)
uint8_t cmd1[] ={0xff, 0x0F, 0x00};
uint8_t cmd2[]= {0x00, 0x2B};
#elif defined(NT11003)
uint8_t cmd1[] ={0xff, 0x8F, 0xFF};