static int i8k_get_dell_signature(void)
static int i8k_get_dell_signature(int req_fn)
static int i8k_get_dell_signature(void){	struct smm_regs regs = { .eax = I8K_SMM_GET_DELL_SIG, };	int rc;	if ((rc = i8k_smm(&regs)) < 0)		return rc;	return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;}