[Bug 1874698] Re: [OMEN by HP Laptop 15-dh0xxx, Realtek ALC285, Black Mic, Left] Recording problem

[Timo Aaltonen]

since groovy doesn't have that yet, I'll upload -1ubuntu1 to groovy and
-1ubuntu0.1 to focal

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Title:
  [OMEN by HP Laptop 15-dh0xxx, Realtek ALC285, Black Mic, Left]
  Recording problem

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in alsa-ucm-conf package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in alsa-ucm-conf source package in Focal:
  Confirmed
Status in linux source package in Focal:
  Confirmed

Bug description:
  This is for alsa-ucm-conf:

  The patches are already in the mainline alsa-ucm-conf, so only
  sent the SRU for focal

  [Impact]
  On the machines without Intel HDMI, the sof driver will fail to initialize.

  [Fix]
  After fixing the kernel, we also need to change the ucm2 to make it
  support the machine without Intel hdmi audio.

  [Test Case]
  Boot the kernel on the machines without Intel HDMI audio, everything
  works well including the audio.

  [Regression Risk]
  Low, these 2 patches are already in the mainline alsa-ucm-conf. And we
  already tested them on 4 HP machines.

  
  This is for linux kernel:

  The patch is already in the oem-5.6 kernel and unstable kernel, so only
  sent the SRU for focal

  [Impact]
  On the machines without Intel HDMI, the sof driver will fail to initialize.

  [Fix]
  Intel upstream 2 patches in the kernel to fix it.

  [Test Case]
  Boot the kernel on the machines without Intel HDMI audio, everything
  works well including the audio.

  [Regression Risk]
  Low, these 2 patches are already in the mainline kernel.

  On Ubuntu 20.04, by default, sof-audio-pci is used. I only have "Dummy
  output" in pavucontrol. To fix this, I modified /etc/modprobe.d/alsa-
  base.conf and added "options snd-intel-dspcfg dsp_driver=1" so that
  now "snd-hda-intel" is loaded instead of sof-audio-pci. While the
  speakers are working fine, I do not have the internal microphone
  working (suspect a digital array).

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  wittawat   2063 F.... pulseaudio
   /dev/snd/controlC0:  wittawat   2063 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 24 12:42:32 2020
  InstallationDate: Installed on 2020-04-23 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Black Mic, Left
  Symptom_Type: None of the above
  Title: [OMEN by HP Laptop 15-dh0xxx, Realtek ALC285, Black Mic, Left] Recording problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/09/2019
  dmi.bios.vendor: AMI
  dmi.bios.version: F.22
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 8600
  dmi.board.vendor: HP
  dmi.board.version: 44.41
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAMI:bvrF.22:bd12/09/2019:svnHP:pnOMENbyHPLaptop15-dh0xxx:pvr:rvnHP:rn8600:rvr44.41:cvnHP:ct10:cvrChassisVersion:
  dmi.product.family: 103C_5335KV HP OMEN
  dmi.product.name: OMEN by HP Laptop 15-dh0xxx
  dmi.product.sku: 7JX54EA#ABD
  dmi.sys.vendor: HP
  mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-04-24T12:32:21.613996

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