static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
static ssize_t set_vrm(struct device *dev, const char *buf, size_t count){	struct i2c_client *client = to_i2c_client(dev);	struct asb100_data *data = i2c_get_clientdata(client);	unsigned long val = simple_strtoul(buf, NULL, 10);	data->vrm = val;	return count;}