/sys/devices/platform/pcspkr/input/input4/event4
Directories:

• /sys/devices/platform/pcspkr/input/input4
• /sys/devices/platform/pcspkr/input/input4/event4/power
• /sys/devices/platform/pcspkr/input/input4
• /sys/class/input

Files:

• uevent
• dev