No sound on Cherry Trail laptop

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friki64
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Beigetreten: 02/20/2019

I have no sound on a DTLAPC14 laptop since I installed Trisquel.
I installed Linux-libre 5.1.2 .
I reinstalled ALSA.
And yes, I tried reboot.
I can not play an audio file on MPV:

Playing: test.wav
(+) Audio --aid=1 (pcm_s16le)
[ao/alsa] Unable to set buffer time near: Invalid argument
AO: [alsa] 44100Hz mono 1ch s16
A: 00:00:27 / 00:00:30 (92%)

Exiting... (End of file)
[ao/alsa] Write error: Broken pipe

friki64
Offline
Beigetreten: 02/20/2019

The sound processor is an Intel Atom x5-Z8350 and the sound chip is a Realtek ALC5651 but it appears as bytcr-rt5651 on alsamixer .