/sys/bus/platform/devices/
/sys/bus/platform/devices
NameSizeModeActions
alarmtimer.0.auto/-0755rm
efivars.0/-0755rm
intel_rapl_msr.0/-0755rm
kgdboc/-0755rm
MSFT1000:00/-0755rm
MSFT1002:00/-0755rm
pcspkr/-0755rm
PNP0003:00/-0755rm
rtc-efi.0/-0755rm
serial8250/-0755rm
Delete pcspkr ?
cmd: