/sys/devices/pci0000:00/0000:00:1b.0/sound/card1/pcmC1D0c/power
Directories:

• /sys/devices/pci0000:00/0000:00:1b.0/sound/card1/pcmC1D0c

Files:

• runtime_active_time
• runtime_active_kids
• runtime_usage
• runtime_status
• autosuspend_delay_ms
• async
• runtime_suspended_time
• runtime_enabled
• control