static ssize_t set_write(struct device *dev, const char *buf, 
static ssize_t set_write(struct device *dev, struct device_attribute *attr, const char *buf, 
static ssize_t set_write(struct device *dev, const char *buf,			 size_t count){	struct i2c_client *client = to_i2c_client(dev);	struct pcf8574_data *data = i2c_get_clientdata(client);	unsigned long val = simple_strtoul(buf, NULL, 10);	if (val > 0xff)		return -EINVAL;	data->write = val;	i2c_smbus_write_byte(client, data->write);	return count;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/a5099cfc2e82240b0a3e72ad79a5969d5af1a7dc/pcf8574.c/buggy/drivers/i2c/chips/pcf8574.c