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