[BUG] BBB value is smaller than acceptable value in TestSdwAlhLoopback

[dkrzysiak]

Describe the bug BBB value is smaller than acceptable value in TestSdwAlhLoopback Glitch in wave. Issue found in: [ICL] 16_00_TestSdwAlhLoopback48000Hz32b32b8ch

Topology Description: Simultaneous playback and capture on SdW interface on internal loopback with signal verification.

Topology:
                pipe_plb
                +------------------------+
+----------+    | +------+   +---------+ |     +-------+      +------+
| Host plb |----->|Buffer|-->| Dai ALH | |---->| PDI A | ---> | DP A |
+----------+    | +------+   +---------+ |     +-------+      +------+
                +------------------------+                       ||
                                                                 ||
                pipe_cap                                         ||
                +------------------------+                       ||
+----------+    | +------+   +---------+ |     +-------+      +------+
| Host cap |<-----|Buffer|<--| Dai ALH | |<----| PDI B |<---- | DP B |
+----------+    | +------+   +---------+ |     +-------+      +------+
                +------------------------+

To Reproduce Run tests with Diagnostic driver: 16_00_TestSdwAlhLoopback48000Hz32b32b8ch Repro: 1/75 With options --playback-iterations=75

Reproduction Rate 1/75

Environment

1. Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
   • SOF BRANCH: main HASH: https://github.com/thesofproject/sof/commit/6c4f3ea42f0d04e9a421dd8325cdbc9be31056bf
2. Name of the platform(s) on which the bug is observed.
   • Platform: ICL RVP
3. Test environment: BRANCH: master HASH: d1dbc413121d0746c75478b27a2f11230b58b405

Screenshots or console output Topology: 0 Playback: 0. BBB value is smaller than acceptable value (0.00) on channel 0: 0.00

16_00.zip

[dkrzysiak]

The same issue in 02_00_TestPtpSimpleLoopback on WHL, appeared during regression testing, repro 1/10