Skip to content

[BUG] Missing CPC data for HDA generic for HDA playback #8465

Description

@kv2019i

Describe the bug
Kernel emits the following warnings:

[  305.952146] sof-audio-pci-intel-mtl 0000:00:1f.3: COPIER (UUID: 9BA00C83-CA12-4A83-943C-1FA2E82F9DDA): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)
[  305.952157] sof-audio-pci-intel-mtl 0000:00:1f.3: GAIN (UUID: 61BCA9A8-18D0-4A18-8E7B-2639219804B7): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)
[  305.952160] sof-audio-pci-intel-mtl 0000:00:1f.3: MIXIN (UUID: 39656EB2-3B71-4049-8D3F-F92CD5C43C09): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)
[  305.952163] sof-audio-pci-intel-mtl 0000:00:1f.3: MIXOUT (UUID: 3C56505A-24D7-418F-BDDC-C1F5A3AC2AE0): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)
[  305.952166] sof-audio-pci-intel-mtl 0000:00:1f.3: GAIN (UUID: 61BCA9A8-18D0-4A18-8E7B-2639219804B7): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)
[  305.952168] sof-audio-pci-intel-mtl 0000:00:1f.3: COPIER (UUID: 9BA00C83-CA12-4A83-943C-1FA2E82F9DDA): No CPC value available in the firmware file's manifest (ibs/obs: 384/384)

To Reproduce
aplay -fS32_LE -c2 -r48000 -traw -Dhw:0,0 /dev/zero

(also: aplay -fS32_LE -c2 -r48000 -traw -Dhw:0,31 /dev/zero)

Reproduction Rate
100%

Expected behavior
No warnings in kernel log.

Impact
Annoyance.

Environment

  1. Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
    • Kernel: sof-dev 20231108
    • SOF: SOF2.7.1
  2. Name of the topology file
    • Topology: intel/sof-ace-tplg/sof-hda-generic-4ch.tplg
  3. Name of the platform(s) on which the bug is observed.
    • Platform: Intel mtl

Metadata

Metadata

Labels

HDAApplies to HD-Audio bus for codec connectionMTLApplies to Meteor Lake platformP2Critical bugs or normal featuresbugSomething isn't working as expected

Type

No type

Fields

No fields configured for issues without a type.

Projects

No projects

Relationships

None yet

Development

No branches or pull requests

Issue actions