It didn't work for me because of the error in dmesg. Clearly a hardware problem.

dmesg

[   70.280711] snd_intel8x0 0000:00:1f.5: enabling device (0000 -> 0001)FS
[   71.557713] snd_intel8x0 0000:00:1f.5: AC'97 0 does not respond - RESET
[   71.558181] snd_intel8x0: probe of 0000:00:1f.5 failed with error -13

hwinfo --sound

13: PCI 1f.5: 0401 Multimedia audio controller
  [Created at pci.386]
  Unique ID: W60f.1iZg9TO6kPC
  SysFS ID: /devices/pci0000:00/0000:00:1f.5
  SysFS BusID: 0000:00:1f.5
  Hardware Class: sound
  Model: "Intel 82801AA AC'97 Audio Controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x2415 "82801AA AC'97 Audio Controller"
  SubVendor: pci 0x103c "Hewlett-Packard Company"
  SubDevice: pci 0x1249 
  Revision: 0x02
  I/O Ports: 0x1200-0x12ff (rw)
  I/O Ports: 0x1300-0x133f (rw)
  IRQ: 9 (no events)
  Module Alias: "pci:v00008086d00002415sv0000103Csd00001249bc04sc01i00"
  Driver Info #0:
    Driver Status: snd_intel8x0 is active
    Driver Activation Cmd: "modprobe snd_intel8x0"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

lspci -vvnnk

00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801AA AC'97 Audio Controller [8086:2415] (rev 02)
	Subsystem: Hewlett-Packard Company 82801AA AC'97 Audio Controller [103c:1249]
	Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin B routed to IRQ 9
	Region 0: I/O ports at 1200 [size=256]
	Region 1: I/O ports at 1300 [size=64]
	Kernel modules: snd_intel8x0