Index of /sys/dev/char/4:21/subsystem/ttyS0/device/power/

../
autosuspend_delay_ms                               02-Aug-2026 08:43                4096
control                                            02-Aug-2026 08:21                4096
runtime_active_time                                02-Aug-2026 08:43                4096
runtime_status                                     02-Aug-2026 08:22                4096
runtime_suspended_time                             02-Aug-2026 08:43                4096