On a Dell cfl machine, install the bionic on it, boot the system and
check the dmesg, the sof driver print a error log "can't find the
firmware sof-cfl.ri" and audio doesn't work after boot.

enable the proposed, sudo apt-get update;sudo apt install linux-
firmware, now the linux-firmware 1.173.19 is installed. reboot the
system, check the dmesg, there is no that error anymore, and after boot,
the audio works well.

verified it works on bionic


** Tags removed: verification-needed-eoan
** Tags added: verification-done-eoan

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1875263

Title:
  linux-firmware: missing sof-cfl.ri symbol link for Bionic and Eoan

Status in OEM Priority Project:
  New
Status in linux-firmware package in Ubuntu:
  Fix Committed
Status in linux-firmware source package in Bionic:
  Incomplete
Status in linux-firmware source package in Eoan:
  Fix Committed

Bug description:
  [Impact]
  some ubuntu eoan/bionic users reported that the audio driver failed
  to initialize, then the audio didn't work. I checked the dmesg, found
  the sof driver planed to load sof-cfl.ri, but there is no this
  firmware under eoan or bionic.

  [Fix]
  I consulted with Intel audio team, they told me that the coffeelake
  platform could share the firmware with cnl/whl platoforms, so we could
  build a symbol link sof-cfl->sof-cnl.

  [Test Case]
  A couple of ubuntu users already tested it on Dell and Asus coffeelake
  laptops, it worked well.

  
  [Regression Risk]
  Low, users already tested it, and Intel audio team confirmed it is safe.

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