** Tags added: originate-from-1851471 somerville

** Description changed:

- No sound output once DPS was enabled on SKU IPL-EVT-C1 (audio device
- [8086:a3f0]).
  
- BIOS: 99.00.10
- SKU: IPL-EVT-C1
+ [Impact]
+ Intel Comet-S platform has the sound controller with PCIID 0x8086:a3f0,
+ the ID is not in the alsa hda driver yet. When we run the linux on the
+ Comet-S platform, the alsa hda driver will not be loaded.
+ 
+ [Fix]
+ Adding the PCIID into the alsa hda driver.
+ 
+ [Test Case]
+ We already tested this driver on a Dell Comet-S machine with the codec
+ RT274, all audio devices worked well.
+ 
+ [Regression Risk]
+ Low, adding a new PCIID, will not introduce regression.

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https://bugs.launchpad.net/bugs/1852070

Title:
  The alsa hda driver is not loaded due to the missing of PCIID for
  Comet-S [8086:a3f0]

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  
  [Impact]
  Intel Comet-S platform has the sound controller with PCIID 0x8086:a3f0,
  the ID is not in the alsa hda driver yet. When we run the linux on the
  Comet-S platform, the alsa hda driver will not be loaded.

  [Fix]
  Adding the PCIID into the alsa hda driver.

  [Test Case]
  We already tested this driver on a Dell Comet-S machine with the codec
  RT274, all audio devices worked well.

  [Regression Risk]
  Low, adding a new PCIID, will not introduce regression.

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