Comment 10 for bug 703791

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Andy Whitcroft (apw) wrote : Re: [Codec ALC888] snd-hda-intel MCP79 fails to function on default install

Ok so this machine has an ALC888 codec as below:

  Codec: Realtek ALC888

Off of an Nvidia NDA chipset:

  00:08.0 Audio device [0403]: nVidia Corporation MCP79 High Definition Audio [10de:0ac0] (rev b1)
 Subsystem: Micro-Star International Co., Ltd. Device [1462:4570]

The reporter is only getting sound when adding model=auto, which implies there is a specific quirk for this hardware otherwise it would be a no-op.

Looking at the driver there does indeed seem to be a quirk for this combination:

        SND_PCI_QUIRK(0x1462, 0x4570, "MSI Wind Top AE2220", ALC883_TARGA_DIG),

It seems pretty odd that there is a quirk there, but it is broken.