/usr/share/alsa/cards/PC-Speaker.conf is in libasound2-data 1.0.28-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Configuration for PC-Speaker driver
#
<confdir:pcm/front.conf>
PC-Speaker.pcm.front.0 {
@args [ CARD ]
@args.CARD {
type string
}
type softvol
slave.pcm {
type hw
card $CARD
}
control {
name "Master Playback Volume"
card $CARD
}
min_dB -10.0
max_dB 20.0
}
# default with dmix & null
PC-Speaker.pcm.default {
@args [ CARD ]
@args.CARD {
type string
}
type asym
playback.pcm {
type plug
slave.pcm {
type softvol
control {
name "Master Playback Volume"
card $CARD
}
min_dB -10.0
max_dB 20.0
slave.pcm {
@func concat
strings [ "dmix:" $CARD ]
}
}
}
capture.pcm {
type null
}
}
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