PCM0   playback	Jack Out
PCM1   capture 	Jack In
PCM2   playback	Speaker
PCM3   capture	Amplifier Reference (typically based on I/V feedback)
PCM4   capture 	Microphone
PCM5   playback	HDMI 1
PCM6   playback	HDMI 2
PCM7   playback	HDMI 3
PCM8   playback	HDMI 4
PCM9   RESERVED
PCM10  capture	DMIC
PCM11  capture	DMIC16kHz
PCM12  capture 	BufferedMic (aka KPB)
PCM13  playback Bluetooth
PCM14  capture 	Bluetooth
PCM15  RESERVED
PCM16  RESERVED
PCM17  RESERVED
PCM18  RESERVED
PCM19  RESERVED
PCM20  capture LowLatency
PCM21  capture RawPDM
PCM22  capture Ultrasonics
PCM23  capture RawPCM
PCM24  capture Voice  (Communication with a human)
PCM25  capture Speech (interaction with a machine)
PCM26  capture Context (aka Acoustic Context Analysis - ACA)
PCM27  capture Reference (e.g. for AEC. May be based on I/V feedback or on playback data)
PCM28  RESERVED
PCM29  RESERVED
PCM30  playback	LowLatency
PCM31  playback	DeepBuffer (for low-power)
PCM32  playback	Media (e.g. movies)
PCM33  playback	Voice (Communication with a human)
PCM34  playback	Ultrasonics
PCM35  RESERVED
PCM36  RESERVED
PCM37  RESERVED
PCM38  RESERVED
PCM39  RESERVED
PCM40  playback	Speaker2 (non-aggregated)
PCM41  capture Reference2 (non-aggregated)
PCM42  playback Speaker3 (non-aggregated)
PCM43  capture Reference3 (non-aggregated)
PCM44  playback Speaker4 (non-aggregated)
PCM45  capture Reference4 (non-aggregated)
PCM46  RESERVED
PCM47  RESERVED
PCM48  RESERVED
PCM49  RESERVED

Compressed devices
0..99  RESERVED
100    capture	Probe Extraction
101    playback	Probe Injection1
102    playback	Probe Injection2
103    playback	Probe Injection3
104    playback	Probe Injection4
105    playback	Probe Injection5
106    playback	Probe Injection6
107    playback	Probe Injection7
108    playback	Probe Injection8