how did you set the pin default of subwoofer ?
Pin Default 0x90170111: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x1
Misc = NO_PRESENCE
subwoofer may use same DAC if there is low pass filter,
did your hear sound from speaker and subwoofet ?
spk_outs = 14/18/0/0 : 4/4/0/0
spk path: depth=3 '04:0e:14'
spk path: depth=3 '04:0e:18'
you need four channels and software low pass filter only when there is
no hardware low pass filter
multi_outs = 14/18/0/0 : 2/3/0/0 (type SP)
out path: depth=3 '02:0c:14'
out path: depth=3 '03:0d:18'
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https://bugs.launchpad.net/bugs/1302090
Title:
Dell Alienware 14, Speaker sound output is mono until a headphone jack
is plugged
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