I finally fixed my sound: I installed linux-backports-modules-alsa-### and added the option "model=intel-mac-auto" at the end of
options snd-hda-intel power_save=10 power_save_controller=N
line.
I finally fixed my sound: I installed linux-backports -modules- alsa-## # and added the option "model= intel-mac- auto" at the end of
options snd-hda-intel power_save=10 power_save_ controller= N
line.