################################################################################
# ... output of aplay -l
# LibreELEC release: WeTek_Play_2.arm-rb-krypton17
# 
################################################################################
**** List of PLAYBACK Hardware Devices ****
card 0: AMLM8AUDIO [AML-M8AUDIO], device 0: I2S.37 dummy-0 []
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: AMLM8AUDIO [AML-M8AUDIO], device 1: SPDIF.38 dit-hifi-1 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: AMLM8AUDIO [AML-M8AUDIO], device 2: PCM.39 pcm2bt-pcm-2 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

################################################################################
# ... output of aplay -L
# LibreELEC release: WeTek_Play_2.arm-rb-krypton17
# 
################################################################################
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=AMLM8AUDIO
    AML-M8AUDIO, 
    Default Audio Device
sysdefault:CARD=AMLM8AUDIO
    AML-M8AUDIO, 
    Default Audio Device
hdmi:CARD=AMLM8AUDIO,DEV=0
    AML-M8AUDIO, 
    HDMI Audio Output

################################################################################
# ... output of amixer
# LibreELEC release: WeTek_Play_2.arm-rb-krypton17
# 
################################################################################
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Audio i2s mute',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Audio spdif mute',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Ext Spk',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]