ELAN_FW_PAGESIZE
error = elants_i2c_send(client, page, ELAN_FW_PAGESIZE);
error = elants_i2c_send(client, fw->data, ELAN_FW_PAGESIZE);
n_fw_pages = fw->size / ELAN_FW_PAGESIZE;
fw->data + page * ELAN_FW_PAGESIZE);
if (fw->size % ELAN_FW_PAGESIZE) {