mfi_ctrl_get_info
if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
int mfi_ctrl_get_info(int fd, struct mfi_ctrl_info *info, uint8_t *statusp);