Esempi in C++ (Cpp) per gtp_i2c_end_cmd

Esempio n. 1

/*******************************************************
Function:
	Send config Function.

Input:
	client:	i2c client.

Output:
	Executive outcomes.0--success,non-0--fail.
*******************************************************/
s32 gtp_send_cfg(struct i2c_client *client)
{
    s32 ret = 0;
#if GTP_DRIVER_SEND_CFG
    s32 retry = 0;

    for (retry = 0; retry < 5; retry++)
    {
        ret = gtp_i2c_write(client, config , GTP_CONFIG_LENGTH + GTP_ADDR_LENGTH);        
        gtp_i2c_end_cmd(client);

        if (ret > 0)
        {
            break;
        }
    }
#endif
    return ret;
}

Esempio n. 2

File: gt818.c Progetto: GREYFOXRGR/BPI-M3-bsp

/**
 * ctp_detect - Device detection callback for automatic device creation
 * return value:  
 *                    = 0; success;
 *                    < 0; err
 */
static int ctp_detect(struct i2c_client *client, struct i2c_board_info *info)
{
	struct i2c_adapter *adapter = client->adapter;
    int ret;  
    u8 buf[8] = {GTP_REG_VERSION >> 8, GTP_REG_VERSION & 0xff};
        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)){
        	pr_err("i2c_check_functionality err\n======return=====\n");
                return -ENODEV;
        }


        if(twi_id == adapter->nr){
                pr_debug("%s: addr= %x\n",__func__,client->addr);
                msleep(50);
    			ret = gtp_i2c_read(client, buf, 6);
    			gtp_i2c_end_cmd(client);
				if(buf[3] != 0x18)
				{
					pr_debug("%s:IC is not gt818\n",__func__);
					return -ENODEV;
				}
    			GTP_INFO("IC VERSION:%02x%02x_%02x%02x", buf[3], buf[2], buf[5], buf[4]);
            	strlcpy(info->type, CTP_NAME, I2C_NAME_SIZE);
        	//printk("%s:I2C connection might be something wrong ! \n",__func__);
        	return 0;
	}else{
	        return -ENODEV;
	}
}

/**
 * ctp_print_info - sysconfig print function
 * return value:
 *
 */
static void ctp_print_info(struct ctp_config_info info,int debug_level)
{
	if(debug_level == DEBUG_INIT)
	{
		dprintk(DEBUG_INIT,"info.ctp_used:%d\n",info.ctp_used);
		dprintk(DEBUG_INIT,"info.twi_id:%d\n",info.twi_id);
		dprintk(DEBUG_INIT,"info.screen_max_x:%d\n",info.screen_max_x);
		dprintk(DEBUG_INIT,"info.screen_max_y:%d\n",info.screen_max_y);
		dprintk(DEBUG_INIT,"info.revert_x_flag:%d\n",info.revert_x_flag);
		dprintk(DEBUG_INIT,"info.revert_y_flag:%d\n",info.revert_y_flag);
		dprintk(DEBUG_INIT,"info.exchange_x_y_flag:%d\n",info.exchange_x_y_flag);
		dprintk(DEBUG_INIT,"info.irq_gpio_number:%d\n",info.irq_gpio.gpio);
		dprintk(DEBUG_INIT,"info.wakeup_gpio_number:%d\n",info.wakeup_gpio.gpio);
	}
}

/**
 * ctp_wakeup - function
 *
 */
static int ctp_wakeup(int status,int ms)
{
	dprintk(DEBUG_INIT,"***CTP*** %s:status:%d,ms = %d\n",__func__,status,ms);

	if (status == 0) {

		if(ms == 0) {
			__gpio_set_value(config_info.wakeup_gpio.gpio, 0);
		}else {
			__gpio_set_value(config_info.wakeup_gpio.gpio, 0);
			msleep(ms);
			__gpio_set_value(config_info.wakeup_gpio.gpio, 1);
		}
	}
	if (status == 1) {
		if(ms == 0) {
			__gpio_set_value(config_info.wakeup_gpio.gpio, 1);
		}else {
			__gpio_set_value(config_info.wakeup_gpio.gpio, 1);
			msleep(ms);
			__gpio_set_value(config_info.wakeup_gpio.gpio, 0);
		}
	}
	msleep(5);

	return 0;
}