For add info about the laptop
Legion S7 16ARHA7 ( https://psref.lenovo.com/Detail/Legion/Legion_S7_16ARHA7?M=82UG0029SP )
cat /sys/class/sound/hwC1D0/subsystem_id 0xaa0100
Alsainfo in the comment 700
For add info about the laptop
Legion S7 16ARHA7 /psref. lenovo. com/Detail/ Legion/ Legion_ S7_16ARHA7? M=82UG0029SP )
( https:/
cat /sys/class/ sound/hwC1D0/ subsystem_ id
0xaa0100
Alsainfo in the comment 700