| ~❯ amixer
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| Simple mixer control 'Master',0
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| Capabilities: pvolume pswitch pswitch-joined
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| Playback channels: Front Left - Front Right - Rear Left - Rear Right
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| Limits: Playback 0 - 65536
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| Mono:
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| Front Left: Playback 7864 [12%] [on]
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| Front Right: Playback 7864 [12%] [on]
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| Rear Left: Playback 7864 [12%] [on]
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| Rear Right: Playback 7864 [12%] [on]
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| Simple mixer control 'Capture',0
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| Capabilities: cvolume cswitch cswitch-joined
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| Capture channels: Front Left - Front Right
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| Limits: Capture 0 - 65536
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| Front Left: Capture 65536 [100%] [on]
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| Front Right: Capture 65536 [100%] [on]
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| ~❯ amixer controls
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| numid=4,iface=MIXER,name='Master Playback Switch'
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| numid=3,iface=MIXER,name='Master Playback Volume'
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| numid=2,iface=MIXER,name='Capture Switch'
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| numid=1,iface=MIXER,name='Capture Volume'
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| ~❯ amixer contents
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| numid=4,iface=MIXER,name='Master Playback Switch'
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| ; type=BOOLEAN,access=rw------,values=1
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| : values=on
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| numid=3,iface=MIXER,name='Master Playback Volume'
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| ; type=INTEGER,access=rw------,values=4,min=0,max=65536,step=1
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| : values=7864,7864,7864,7864
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| numid=2,iface=MIXER,name='Capture Switch'
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| ; type=BOOLEAN,access=rw------,values=1
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| : values=on
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| numid=1,iface=MIXER,name='Capture Volume'
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| ; type=INTEGER,access=rw------,values=2,min=0,max=65536,step=1
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| : values=65536,65536
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