What:		/sys/devices/pci0000:00/<dev>/<tplg_name>/<path_template>:<path>/<pipeline>/state
Date:		December 2021
Contact:	Cezary Rojewski <cezary.rojewski@intel.com>
Description:
		File is only present when specific pipeline is instantiated in
		driver. It is used to check or change pipeline state. Possible
		read values: invalid, uninitialized, reset, paused, running,
		eos, error_stop, saved, restored.
		Allows only to set state to: reset, paused, running.

What:		/sys/devices/pci0000:00/<dev>/<tplg_name>/<path_template>:<path>/<pipeline>/<module>/fw_id
Date:		December 2021
Contact:	Cezary Rojewski <cezary.rojewski@intel.com>
Description:
		File is only present when specific module is instantiated in
		driver. Used to get module id used by FW for module in question.

What:		/sys/devices/pci0000:00/<dev>/<tplg_name>/<path_template>:<path>/<pipeline>/<module>/fw_instance
Date:		December 2021
Contact:	Cezary Rojewski <cezary.rojewski@intel.com>
Description:
		File is only present when specific module is instantiated in
		driver. Used to get instance id assigned from pool of ids
		for module in question.