I followed steps for enabling audio in DSDT in this guide but i'm not able to compile it. I'm getting these errors:
CODE
Intel ACPI Component Architecture
ASL Optimizing Compiler version 20081204 [Jan 10 2009]
Copyright (C) 2000 - 2008 Intel Corporation
Supports ACPI Specification Revision 3.0a

dsdt.dsl   509:                     \_SB.PCI0.LNKA,
Error    4063 -            Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   517:                     \_SB.PCI0.LNKA,
Error    4063 -            Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   549:                     \_SB.PCI0.LNKA,
Error    4063 -            Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   581:                     \_SB.PCI0.LNKA,
Error    4063 -            Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   621:                     \_SB.PCI0.LNKA,
Error    4063 -            Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   830:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl   952:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1042:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1132:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1222:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1344:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1433:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1457:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  1481:                         \_SB.PCI0.LNKA,
Error    4063 -                Object does not exist ^  (\_SB.PCI0.LNKA)

dsdt.dsl  3982:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  3993:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  3994:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4025:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4036:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4037:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4068:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4079:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4080:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4111:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4122:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4123:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4154:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4165:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4166:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4197:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4208:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4209:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

dsdt.dsl  4240:                     Return (BUFA)
Error    4063 -          Object does not exist ^  (BUFA)

dsdt.dsl  4251:                     ShiftLeft (0x01, Local0, IRQV)
Error    4063 -                           Object does not exist ^  (IRQV)

dsdt.dsl  4252:                     Return (BUFB)
Error    4063 -          Object does not exist ^  (BUFB)

ASL Input:  dsdt.dsl - 4481 lines, 146497 bytes, 1597 keywords
Compilation complete. 35 Errors, 0 Warnings, 0 Remarks, 450 Optimizations