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[SDW][BUG]Pop noise occurred at the beginning of aplay0,2(RT1308) or aplay0,0(RT711) #1867
Description
Describe the bug
Pop noise occurred at the beginning of aplay0,2(RT1308) or aplay0,0(RT711)
To Reproduce
- Boot up.
- Aplay 0,2 via "aplay -Dhw:0,2 -r48000 -c2 -fs16_le wav/48California_Dreaming.wav -vv -i"
frequency
Not each time occurred pop noise. Do step2/3 10 times, could reproduce about 5 times.
Expected result
Should not have any pop noise.
Actual result
Pop noise occurred at the beginning of aplay0,2(RT1308) or aplay0,0(RT711)
Environment
Kernel:release/sdw_cml_hotfix, commit:38d0dcd
FW: commits/cml-010-hot-fix, commit: 0ed0dba
tplg: Same with FW branch, sof-cml-rt711-rt1308-mono-rt715.tplg
platform: CML-U Laptop with ALC711+ ALC1308+ ALC715 in SDW mode
ucm: https://github.com/thesofproject/alsa-ucm-conf.git+PR#24 or PR#28
Activity
sinahuang commentedon Mar 6, 2020
Issue also can be reproduced on CML-H Laptop with codec ALC711, 2 x RT1308, RT715 in SDW mode and TGL-U RVP with codec ALC711 in SDW mode and RT1308 in I2S mode.
YvonneYang2 commentedon Mar 6, 2020
Tested with nocodec tplg, please see the wav picture.
YvonneYang2 commentedon Mar 9, 2020
Error still seen when playing same level audio file
ClarexZhou commentedon Mar 16, 2020
Error not seen with kernel sof-dev, commit: 0f90705, contains PR #1887 + PR #1897 and FW: https://github.com/thesofproject/sof/tree/cml-010-hot-fix, commit thesofproject/sof@0ed0dba + commit thesofproject/sof@f73332e
But still about 3/10 reproduce rate, has slight noise on internal speaker with same kernel sof-dev, commit: 0f90705, contains PR #1887 + PR #1897 and FW: Master, commit: thesofproject/sof@afd9770
YvonneYang2 commentedon Mar 25, 2020
Error not seen on headphone with kernel sof-dev(commit: 33f864d) + master(commit: b8b96a2)
Error also not seen on speaker with kernel sof-dev(commit: 33f864d) + master commit: b8b96a2 + https://github.com/thesofproject/sof/pulls?q=2603 to avoid issue thesofproject/sof#2570
So close the bug.