w1: slaves: w1_ds2423: convert to use w1_family_ops.groups

#define COUNTER_COUNT 4

#define READ_BYTE_COUNT 42

static ssize_t w1_counter_read(struct device *device,

	struct device_attribute *attr, char *buf);

static struct device_attribute w1_counter_attr =

	__ATTR(w1_slave, S_IRUGO, w1_counter_read, NULL);

static ssize_t w1_counter_read(struct device *device,

static ssize_t w1_slave_show(struct device *device,

			     struct device_attribute *attr, char *out_buf)

{

	struct w1_slave *sl = dev_to_w1_slave(device);

	return PAGE_SIZE - c;

}

static int w1_f1d_add_slave(struct w1_slave *sl)

{

	return device_create_file(&sl->dev, &w1_counter_attr);

}

static DEVICE_ATTR_RO(w1_slave);

static void w1_f1d_remove_slave(struct w1_slave *sl)

{

	device_remove_file(&sl->dev, &w1_counter_attr);

}

static struct attribute *w1_f1d_attrs[] = {

	&dev_attr_w1_slave.attr,

	NULL,

};

ATTRIBUTE_GROUPS(w1_f1d);

static struct w1_family_ops w1_f1d_fops = {

	.add_slave      = w1_f1d_add_slave,

	.remove_slave   = w1_f1d_remove_slave,

	.groups		= w1_f1d_groups,

};

static struct w1_family w1_family_1d = {